CN111637617A - Control method, system, equipment and storage medium for negative pressure isolation ward - Google Patents
Control method, system, equipment and storage medium for negative pressure isolation ward Download PDFInfo
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- CN111637617A CN111637617A CN202010589650.XA CN202010589650A CN111637617A CN 111637617 A CN111637617 A CN 111637617A CN 202010589650 A CN202010589650 A CN 202010589650A CN 111637617 A CN111637617 A CN 111637617A
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- 238000002955 isolation Methods 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 51
- 230000003068 static effect Effects 0.000 claims abstract description 70
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 47
- 238000004590 computer program Methods 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 11
- 208000035473 Communicable disease Diseases 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The embodiment of the invention discloses a control method of a negative pressure isolation ward, which is applied to the negative pressure isolation ward, wherein the negative pressure isolation ward comprises at least two micro-pressure sensors, an air exhaust fan and an air inlet fan, and the control method of the negative pressure isolation ward comprises the following steps: acquiring a starting instruction input by a user, and judging whether at least one micro-pressure sensor in at least two micro-pressure sensors is in a normal working state; if at least one micro-pressure sensor is in a normal working state, acquiring a first air pressure measurement value of the at least one micro-pressure sensor which normally works, and acquiring a first internal static pressure value of the negative pressure isolation ward according to the first air pressure measurement value; and acquiring a first rotating speed matched with the first internal static pressure value, and driving the exhaust fan to rotate at the first rotating speed. The invention also discloses a control system, equipment and a storage medium of the negative pressure isolation ward. The invention can effectively improve the air tightness, safety and comfort of the negative pressure isolation ward.
Description
Technical Field
The invention relates to the technical field of control, in particular to a control method, a system, equipment and a storage medium for a negative pressure isolation ward.
Background
In order to deal with the epidemic situation of the sudden infectious diseases, the negative pressure isolation ward can provide a safe working environment for medical workers, and the internal pressure of the ward is lower than the external pressure by configuring a specific device, so that the air polluting the infectious disease germs is prevented from leaking to the outside, and the physical protection is provided for the medical workers.
However, in the prior art, the monitoring of the air outlet of the negative pressure isolation ward is not strict enough, and no effective and timely solution is provided when a fault occurs, and the stability of the air pressure in the negative pressure isolation ward can not be maintained.
Disclosure of Invention
Based on this, it is necessary to propose a control method, system, device and storage medium for negative pressure isolation ward to address the above problems.
A control method of a negative pressure isolation ward is applied to the negative pressure isolation ward, the negative pressure isolation ward comprises at least two micro-pressure sensors, an air exhaust fan and an air intake fan, and the control method of the negative pressure isolation ward comprises the following steps: acquiring a starting instruction input by a user, and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state; if at least one micro-pressure sensor is in a normal working state, acquiring a first air pressure measurement value of the at least one micro-pressure sensor which normally works, and acquiring a first internal static pressure value of the negative pressure isolation ward according to the first air pressure measurement value; and acquiring a first rotating speed matched with the first internal static pressure value, and driving the exhaust fan to rotate at the first rotating speed.
A control system of a negative pressure isolation ward is applied to the negative pressure isolation ward, the negative pressure isolation ward comprises at least two micro-pressure sensors, an air exhaust fan and an air intake fan, and the control method of the negative pressure isolation ward comprises the following steps: the judging module is used for acquiring a starting instruction input by a user and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state; the acquisition module is used for acquiring a first air pressure measurement value of at least one normally working micro-pressure sensor if the at least one micro-pressure sensor is in a normal working state, and acquiring a first internal static pressure value of the negative pressure isolation ward according to the first air pressure measurement value; and the driving module is used for acquiring a first rotating speed matched with the first internal static pressure value and driving the exhaust fan to rotate at the first rotating speed.
A control apparatus for a negative pressure isolation ward, comprising: a processor coupled to the memory and a memory having a computer program stored therein, the processor executing the computer program to implement the method as described above.
A storage medium storing a computer program executable by a processor to implement a method as described above.
The embodiment of the invention has the following beneficial effects:
the first internal static pressure value of the negative pressure isolation ward is obtained according to the first air pressure measurement value of at least one normally working micro-pressure sensor, and the air exhaust fan is controlled to rotate at the first rotating speed matched with the first internal static pressure value, so that the air pressure in the negative pressure isolation ward can be stabilized at the first internal static pressure value, and the air tightness, the safety and the comfort degree of the negative pressure isolation ward can be effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of a negative pressure isolation ward provided by the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of a control method for a negative pressure isolation ward provided by the invention;
FIG. 3 is a schematic diagram of a static pressure value-exhaust fan speed curve provided by the present invention;
FIG. 4 is a schematic flow chart of a control method for a negative pressure isolation ward according to a second embodiment of the present invention;
FIG. 5 is a schematic flow chart of a third embodiment of the control method for the negative pressure isolation ward provided by the invention;
FIG. 6 is a schematic flow chart of a fourth embodiment of the control method for the negative pressure isolation ward provided by the invention;
FIG. 7 is a schematic structural diagram of an embodiment of a control system for a negative pressure isolation ward provided by the present invention;
FIG. 8 is a schematic structural diagram of an embodiment of a control device for a negative pressure isolation ward provided by the present invention;
fig. 9 is a schematic structural diagram of an embodiment of a storage medium provided in the present invention.
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 of the embodiments. 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.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a negative pressure isolation ward provided by the present invention. The negative pressure isolation ward 10 includes micro pressure sensors 11 and 12, an exhaust fan 13 and an intake fan 14.
The micro-pressure sensors 11 and 12 can be used for detecting the air pressure in the negative pressure isolation ward 10, the exhaust fan 13 is used for exhausting the air in the negative pressure isolation ward 10, and the rotating speed of the exhaust fan 13 is adjustable, so that the air output of the negative pressure isolation ward 10 can be adjusted. In this implementation scenario, the rotation speed of the exhaust fan 13 is adjusted according to the air pressure values measured by the micro-pressure sensors 11 and 12 to maintain the air pressure in the negative pressure isolation ward 10 in a stable state, the intake fan 14 is used for providing air into the negative pressure isolation ward 10, and the rotation speed of the intake fan 14 is stable.
In the present implementation scenario, two micro pressure sensors 11 and 12 are provided, and in other implementation scenarios, more micro pressure sensors may be provided to obtain a more accurate air pressure value. In the present embodiment, one exhaust fan 13 is provided, and in other embodiments, more exhaust fans may be provided to ensure that the negative pressure isolation ward can maintain normal operation.
Referring to fig. 2, fig. 2 is a schematic flow chart of a control method for a negative pressure isolation ward according to a first embodiment of the present invention. The control method of the negative pressure isolation ward provided by the invention comprises the following steps:
s101: and acquiring a starting instruction input by a user, and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state. If yes, go to step S102.
In a specific implementation scenario, a user inputs a start instruction, for example, presses a start button or inputs a start instruction at a preset mobile terminal, and after the start instruction input by the user is obtained, it is determined whether at least one micro pressure sensor of at least two micro pressure sensors in a negative pressure isolation ward is in a normal working state, for example, it is determined whether an air pressure measurement value sent by each micro pressure sensor is received, if not, the micro pressure sensor is not in the normal working state, and it is also determined whether the micro pressure sensor is in the normal working state according to the air pressure measurement value sent by each micro pressure sensor, for example, it is determined whether the air pressure measurement value is in a preset threshold value, and if not, the micro pressure sensor is not in the normal working state.
S102: the method comprises the steps of obtaining a first air pressure measurement value of at least one normally working micro-pressure sensor, and obtaining a first internal static pressure value of a negative pressure isolation ward according to the first air pressure measurement value.
In this embodiment, if there is only one normally operating micro-pressure sensor, the first air pressure measurement value measured by the normally operating micro-pressure sensor is used as the first internal static pressure value, and if there are a plurality of normally operating micro-pressure sensors, the average value of the first air pressure measurement values measured by the plurality of normally operating micro-pressure sensors is used as the first internal static pressure value.
S103: and acquiring a first rotating speed matched with the first internal static pressure value, and driving the exhaust fan to rotate at the first rotating speed.
In the implementation scenario, the exhaust fan is driven to operate, a first rotating speed matched with the first internal static pressure value is obtained, and the exhaust fan is controlled to operate at the first rotating speed, so that the air pressure in the negative pressure isolation ward can be stabilized at the first internal static pressure value.
In this implementation scenario, a static pressure value-exhaust fan rotation speed curve may be preset, and after the first internal static pressure value is obtained, a first rotation speed matched with the first internal static pressure value is obtained according to the static pressure value-exhaust fan rotation speed curve. Referring to fig. 3, fig. 3 is a schematic diagram of a curve of static pressure value versus rotation speed of an exhaust fan according to the present invention.
According to the above description, in this embodiment, the first internal static pressure value in the negative pressure isolation ward is obtained according to the first air pressure measurement value of the at least one normally operating micro-pressure sensor, and the exhaust fan is controlled to operate at the first rotation speed matched with the first internal static pressure value, so that the air pressure in the negative pressure isolation ward can be stabilized at the first internal static pressure value, and the air tightness, the safety and the comfort level in the negative pressure isolation ward can be effectively improved.
Referring to fig. 4, fig. 4 is a flowchart illustrating a control method for a negative pressure isolation ward according to a second embodiment of the present invention. The control method of the negative pressure isolation ward provided by the invention comprises the following steps:
s201: and acquiring a starting instruction input by a user, and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state. If yes, go to step S202, otherwise, end.
S202: the method comprises the steps of obtaining a first air pressure measurement value of at least one normally working micro-pressure sensor, and obtaining a first internal static pressure value of a negative pressure isolation ward according to the first air pressure measurement value.
S203: and acquiring a first rotating speed matched with the first internal static pressure value, and driving the exhaust fan to rotate at the first rotating speed.
In a specific implementation scenario, steps S201 to S203 are substantially the same as steps S101 to S103 in the first embodiment of the control method for a negative pressure isolation ward provided by the present invention, and are not described herein again.
S204: after the exhaust fan runs for a first time at a first rotating speed, the air inlet fan is driven to run.
In the implementation scene, after the exhaust fan runs for a first time at a first rotating speed, the air pressure in the negative pressure isolation ward is in a continuous descending stage, in order to maintain the normal life of the patient in the negative pressure isolation ward, the air inlet fan is driven to run, and fresh air is input into the negative pressure isolation ward by the air inlet fan. The first time length can be set according to the use requirement of a user.
S205: and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state. If yes, go to step S206, otherwise, end.
In this implementation scenario, because the fan of airing exhaust runs for a first time with first rotational speed, atmospheric pressure in the negative pressure isolation ward will last to descend, and the air intake fan operates the back, and atmospheric pressure in the negative pressure isolation ward will rise, because the rotational speed of air intake fan is fixed, consequently can be through the rotational speed of adjustment fan of airing exhaust for atmospheric pressure in the negative pressure isolation ward is in stable state. The air pressure in the current negative pressure isolation ward can be obtained, so that the rotating speed of the air exhaust fan is adjusted.
The step of determining whether at least one of the at least two micro pressure sensors works normally is substantially the same as step S202, and is not repeated here.
S206: and acquiring a second air pressure measurement value of at least one normally working micro-pressure sensor, and acquiring a second internal static pressure value of the negative pressure isolation ward according to the air pressure measurement value.
In this embodiment, if there is only one normally operating micro-pressure sensor, the second air pressure measurement value measured by the normally operating micro-pressure sensor is used as the second internal static pressure value, and if there are a plurality of normally operating micro-pressure sensors, the average value of the second air pressure measurement values measured by the plurality of normally operating micro-pressure sensors is used as the second internal static pressure value.
S207: and acquiring a second rotating speed matched with the second internal static pressure value, and driving the exhaust fan to rotate at the second rotating speed.
In the implementation scenario, after the second internal static pressure value is obtained, a second rotating speed matched with the second internal static pressure value is obtained according to a static pressure value-exhaust fan rotating speed curve. The curve diagram of the static pressure value and the rotating speed of the exhaust fan is shown in figure 3. Because the rotating speed of the air inlet fan is fixed, after the air exhaust fan rotates at the second rotating speed, the air pressure in the negative pressure isolation ward is in a stable state.
Can know through the above-mentioned description, through start the air inlet fan after the fan operation of airing exhaust is first long in this embodiment, can be so that the atmospheric pressure in the negative pressure isolation ward is in the negative pressure state that is less than outdoor atmospheric pressure always, promote the security in negative pressure isolation ward, because open the air inlet fan and can lead to the negative pressure to keep apart the atmospheric pressure fluctuation in the ward, acquire the second rotational speed that matches with the inside static pressure value of second, the drive air exhaust fan operates with the second rotational speed, can make the atmospheric pressure in the negative pressure isolation ward will be in stable state, promote the comfort level in negative pressure isolation ward.
Referring to fig. 5, fig. 5 is a schematic flow chart of a control method for a negative pressure isolation ward according to a third embodiment of the present invention. The control method of the negative pressure isolation ward provided by the invention comprises the following steps:
s301: and acquiring a starting instruction input by a user, and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state. If yes, go to step S302, otherwise, end.
S302: the method comprises the steps of obtaining a first air pressure measurement value of at least one normally working micro-pressure sensor, and obtaining a first internal static pressure value of a negative pressure isolation ward according to the first air pressure measurement value.
S303: and acquiring a first rotating speed matched with the first internal static pressure value, and driving the exhaust fan to rotate at the first rotating speed.
S304: after the exhaust fan runs for a first time at a first rotating speed, the air inlet fan is driven to run.
S305: and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state. If yes, go to step S306, otherwise, end.
S306: and acquiring a second air pressure measurement value of at least one normally working micro-pressure sensor, and acquiring a second internal static pressure value of the negative pressure isolation ward according to the air pressure measurement value.
S307: and acquiring a second rotating speed matched with the second internal static pressure value, and driving the exhaust fan to rotate at the second rotating speed.
In a specific implementation scenario, steps S301 to S307 are substantially the same as steps S201 to S207 in the second embodiment of the control method for a negative pressure isolation ward provided by the present invention, and are not described herein again.
S308: and receiving a shutdown instruction input by a user, controlling the air inlet fan to stop running according to the shutdown instruction, and controlling the air exhaust fan to stop running after the second time of the air inlet fan stopping running.
In the implementation scenario, after the air inlet fan and the air exhaust fan operate stably, if the negative pressure isolation ward needs to be closed, the user can input a shutdown instruction, and after the shutdown instruction input by the user is received, the air inlet fan is controlled to stop operating. After the second time that the air inlet fan stops operating, the air exhaust fan is controlled to stop operating, so that the air pressure in the negative pressure isolation ward is smaller than the outdoor air pressure, the negative pressure state is maintained, and the safety of the negative pressure isolation ward is improved. After the exhaust fan stops operating, the opening and closing door of the exhaust outlet is closed, so that the gas in the negative pressure isolation ward is prevented from leaking, and the air tightness of the negative pressure isolation ward is improved.
It can be known from the above description that, after receiving the shutdown instruction input by the user in this embodiment, control air inlet fan shutdown earlier, control air exhaust fan shutdown again, can make the atmospheric pressure in the negative pressure isolation ward be less than outdoor atmospheric pressure, maintain the negative pressure state, promote the security in negative pressure isolation ward, after air exhaust fan shutdown, close the door that opens and shuts of air exit, ensure that the gas in the negative pressure isolation ward can not leak, promote the gas tightness in negative pressure isolation ward.
Referring to fig. 6, fig. 6 is a schematic flow chart of a control method for a negative pressure isolation ward according to a fourth embodiment of the present invention. The control method of the negative pressure isolation ward provided by the invention comprises the following steps:
s401: and acquiring a starting instruction input by a user, and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state. If not, executing step S402, if at least one micro-pressure sensor is not in a normal working state, executing step S403, and if so, executing step S4: 4.
In a specific implementation scenario, step S401 is substantially the same as step S101 in the first embodiment of the method for controlling a negative pressure isolation ward provided by the present invention, and details are not repeated here.
S402: and sending a second alarm signal, wherein the second alarm signal comprises a second fault code, and the second fault code is used for indicating that the at least two micro-pressure sensors are not in a normal working state.
In this implementation scenario, at least two micro-pressure sensors are not in a normal working state, and send a second alarm signal, such as light, sound, or sending a prompt message to a user terminal, where the second alarm signal includes a second fault code, and the second fault code is used to indicate that at least two micro-pressure sensors are not in a normal working state, so that a user can timely obtain a fault problem of at least two micro-pressure sensors, timely maintain the at least two micro-pressure sensors, and maintain the use of a negative pressure isolation ward.
S403: and sending a third alarm signal, wherein the third alarm signal comprises a third fault code, and the third fault code is used for indicating that at least one micro-pressure sensor is not in a normal working state.
In this implementation scenario, there is a situation where at least one of the micro pressure sensors is not in a normal working state, and a third alarm signal is sent, for example, light, sound, or prompt information is sent to the user terminal, where the third alarm signal includes a third fault code, and the third fault code is used to indicate that at least one of the micro pressure sensors is not in the normal working state, so that the user can timely obtain a fault problem of at least one of the micro pressure sensors, timely perform maintenance, and maintain the use of the negative pressure isolation ward.
S404: the method comprises the steps of obtaining a first air pressure measurement value of at least one normally working micro-pressure sensor, and obtaining a first internal static pressure value of a negative pressure isolation ward according to the first air pressure measurement value.
S405: and acquiring a first rotating speed matched with the first internal static pressure value, and driving the exhaust fan to rotate at the first rotating speed.
In this implementation scenario, steps S404 to S405 are substantially the same as steps S102 to S103 in the first embodiment of the control method for a negative pressure isolation ward provided by the present invention, and are not described herein again.
S406: and judging whether the exhaust fan is in a normal working state. If not, step S407 is executed, and if yes, step S408 is executed.
In this implementation scenario, the air exhaust fan may be in a normal operating state by detecting an air intake rate of the air exhaust fan in unit time, where the air intake rate of the air exhaust fan in unit time belongs to a preset air volume threshold, and may also detect whether a current or a voltage of the air exhaust fan is within the preset threshold, and if so, the air exhaust fan is in the normal operating state.
S407: and sending a fourth alarm signal, wherein the fourth alarm signal comprises a fourth fault code, and the fourth fault code is used for indicating that the exhaust fan runs abnormally.
In this implementation scenario, the exhaust fan is not in a normal working state, and a fourth alarm signal is sent, for example, light, sound, or prompt information is sent to the user terminal, and the fourth alarm signal includes a fourth fault code, and the fourth fault code is used to indicate that the exhaust fan is not in the normal working state, so that the user can timely acquire a fault problem of the exhaust fan, timely maintain, and maintain the use of the negative pressure isolation ward.
S408: after the exhaust fan runs for a first time at a first rotating speed, the air inlet fan is driven to run.
In this implementation scenario, step S408 is substantially the same as step S204 in the second embodiment of the method for controlling a negative pressure isolation ward provided by the present invention, and is not repeated here.
S409: and judging whether the air inlet fan is in a normal working state or not. If not, go to step S410, and if so, go to step S411.
In this implementation scenario, the method for determining whether the air intake fan is in the normal working state is similar to the method for determining whether the air exhaust fan is in the normal working state in step S406, and details thereof are not repeated here.
S410: and sending a first alarm signal, wherein the first alarm signal comprises a first fault code, and the first fault code is used for indicating that the exhaust fan is abnormal in operation.
In this implementation scenario, the air intake fan is not in a normal working state, and sends a first alarm signal, such as light, sound, or prompt information sent to a user terminal, and the like, where the first alarm signal includes a first fault code, and the first fault code is used to indicate that the air intake fan is not in the normal working state, so that a user can timely acquire a fault problem of the air intake fan, timely maintain the air intake fan, and maintain the use of the negative pressure isolation ward.
S411: and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors works normally or not. If yes, go to step S412, otherwise, end.
S412: and acquiring a second air pressure measurement value of at least one normally working micro-pressure sensor, and acquiring a second internal static pressure value of the negative pressure isolation ward according to the air pressure measurement value.
S413: and acquiring a second rotating speed matched with the second internal static pressure value, and controlling the exhaust fan or the standby exhaust fan to rotate at the second rotating speed.
S414: and receiving a shutdown instruction input by a user, and controlling the air inlet fan to stop running according to the shutdown instruction. And after the second time of the stop operation of the air inlet fan, controlling the stop operation of the air exhaust fan, and closing the opening and closing door of the air outlet or the standby air outlet.
In this implementation scenario, steps S411 to S414 are substantially the same as steps S305 to S308 in the third embodiment of the control method for a negative pressure isolation ward provided by the present invention, and are not described herein again.
As can be seen from the above description, in this embodiment, each executed step is detected, and whether the execution is successful or not is determined, so that the safety and reliability of the negative pressure isolation ward can be effectively improved, and the user can be timely notified of the fault location of the negative pressure isolation ward, so that the user can maintain the negative pressure isolation ward in time and maintain the normal use of the negative pressure isolation ward.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a control system for a negative pressure isolation ward according to an embodiment of the present invention. The control system 20 for the negative pressure isolation ward is applied to the negative pressure isolation ward shown in fig. 1, and comprises a judging module 21, an obtaining module 22 and a driving module 23.
The judging module 21 is configured to obtain a start instruction input by a user, and judge whether at least one of the at least two micro-pressure sensors is in a normal working state; the obtaining module 22 is configured to obtain a first air pressure measurement value of at least one normally operating micro-pressure sensor if the at least one micro-pressure sensor is in a normal operating state, and obtain a first internal static pressure value of the negative pressure isolation ward according to the first air pressure measurement value; the driving module 23 is configured to obtain a first rotation speed matched with the first internal static pressure value, and drive the exhaust fan to operate at the first rotation speed.
The driving module 23 is further configured to drive the air intake fan to operate after the air exhaust fan operates at the first rotational speed for a first duration.
The determining module 21 is further configured to determine whether at least one of the at least two micro pressure sensors is in a normal operating state.
The obtaining module 22 is further configured to obtain a second air pressure measurement value of the at least one normally operating micro-pressure sensor if the at least one micro-pressure sensor is in a normal operating state, and obtain a second internal static pressure value of the negative pressure isolation ward according to the air pressure measurement value.
The driving module 23 is further configured to obtain a second rotation speed matched with the second internal static pressure value, and drive the exhaust fan to operate at the second rotation speed.
The control system 20 of the negative pressure isolation ward further comprises a shutdown module 24, wherein the shutdown module 24 is used for receiving a shutdown instruction input by a user and controlling the air intake fan to stop running according to the shutdown instruction; and after the second time of stopping the air inlet fan, controlling the air exhaust fan to stop running.
The judgment module 21 is further configured to judge whether the air intake fan is in a normal working state, and if the air intake fan is not in the normal working state, send a first alarm signal, where the first inclusion signal includes a first fault code, and the first fault code is used to indicate that the air intake fan is abnormal in operation.
The obtaining module 22 is further configured to, if one of the micro pressure sensors is in a normal working state, take a first air pressure measurement value of the micro pressure sensor in the normal working state as a first internal static pressure value; and if at least one micro-pressure sensor is in a normal working state, taking the average value of the first air pressure measured values of the micro-pressure sensors in normal working as a first internal static pressure value.
The judging module 21 is further configured to send a second alarm signal if the at least two micro pressure sensors are not in the normal working state, where the second alarm signal includes a second fault code, and the second fault code is used to indicate that the at least two micro pressure sensors are not in the normal working state; and if at least one micro-pressure sensor is not in the normal working state, sending a third alarm signal, wherein the third alarm signal comprises a third fault code, and the third fault code is used for indicating that the at least one micro-pressure sensor is not in the normal working state.
The judging module 21 is further configured to judge whether the exhaust fan is in a normal working state, and send a fourth alarm signal if the exhaust fan is not in the normal working state, where the fourth alarm signal includes a fourth fault code, and the fourth fault code is used to indicate that the exhaust fan is abnormal in operation.
According to the above description, in this embodiment, a first internal static pressure value in the negative pressure isolation ward is obtained according to a first air pressure measurement value of at least one normally operating micro-pressure sensor, the air exhaust fan is controlled to operate at a first rotation speed matched with the first internal static pressure value, so that the air pressure in the negative pressure isolation ward can be stabilized at the first internal static pressure value, the air intake fan is started after the air exhaust fan operates for a first time period, the air intake fan is controlled to stop operating, and then the air exhaust fan is controlled to stop operating, so that the air pressure in the negative pressure isolation ward can be always in a negative pressure state smaller than the outdoor air pressure, and the air tightness, the safety and the comfort level of the negative pressure isolation ward can be effectively improved.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a control apparatus for a negative pressure isolation ward according to an embodiment of the present invention. The control device 30 of the negative pressure isolation ward comprises a processor 31 and a memory 32. The processor 31 is coupled to the memory 32. The memory 32 has stored therein a computer program which is executed by the processor 31 when in operation to implement the methods as shown in fig. 2, 4-6. The detailed methods can be referred to above and are not described herein.
According to the above description, in this embodiment, the control device in the negative pressure isolation ward obtains the first internal static pressure value of the negative pressure isolation ward according to the first air pressure measurement value of the at least one normally operating micro-pressure sensor, and controls the air exhaust fan to operate at the first rotation speed matched with the first internal static pressure value, so that the air pressure in the negative pressure isolation ward can be stabilized at the first internal static pressure value, the air intake fan is started after the air exhaust fan operates for the first time, the air intake fan is controlled to stop operating, and then the air exhaust fan is controlled to stop operating, so that the air pressure in the negative pressure isolation ward can be always in the negative pressure state smaller than the outdoor air pressure, and the air tightness, the safety and the comfort level of the negative pressure isolation ward can be effectively.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a storage medium according to an embodiment of the present invention. The computer-readable storage medium 40 stores at least one computer program 41, and the computer program 41 is used for being executed by a processor to implement the methods shown in fig. 2 and fig. 4 to fig. 6, and the detailed methods can be referred to above and are not described herein again. In one embodiment, the computer readable storage medium 40 may be a memory chip in a terminal, a hard disk, or other readable and writable storage tool such as a removable hard disk, a flash disk, an optical disk, or the like, and may also be a server or the like.
As can be seen from the above description, the computer program in the storage medium in this embodiment may be configured to obtain a first internal static pressure value in the negative pressure isolation ward according to a first air pressure measurement value of at least one normally operating micro-pressure sensor, control the exhaust fan to operate at a first rotation speed matched with the first internal static pressure value, so that the air pressure in the negative pressure isolation ward may be stable at the first internal static pressure value, start the air intake fan after the exhaust fan operates for a first duration, control the air intake fan to stop operating, and then control the exhaust fan to stop operating, so that the air pressure in the negative pressure isolation ward may be always in a negative pressure state smaller than the outdoor air pressure, and may effectively improve the air tightness, the security, and the comfort level in the negative pressure isolation ward.
Different from the prior art, the air pressure control method and the air pressure control device have the advantages that the first internal static pressure value of the negative pressure isolation ward is obtained according to the first air pressure measurement value of at least one normally working micro-pressure sensor, the air exhaust fan is controlled to run at the first rotating speed matched with the first internal static pressure value, so that the air pressure in the negative pressure isolation ward can be stabilized at the first internal static pressure value, the air inlet fan is started after the air exhaust fan runs for the first time, the air inlet fan is controlled to stop running, then the air exhaust fan is controlled to stop running, the air pressure in the negative pressure isolation ward can be always in the negative pressure state smaller than the outdoor air pressure, and the air tightness, the safety and the comfort level of the negative.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. The control method for the negative pressure isolation ward is characterized by being applied to the negative pressure isolation ward, wherein the negative pressure isolation ward comprises at least two micro-pressure sensors, an air exhaust fan and an air inlet fan, and the control method for the negative pressure isolation ward comprises the following steps:
acquiring a starting instruction input by a user, and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state;
if at least one micro-pressure sensor is in a normal working state, acquiring a first air pressure measurement value of the at least one micro-pressure sensor which normally works, and acquiring a first internal static pressure value of the negative pressure isolation ward according to the first air pressure measurement value;
and acquiring a first rotating speed matched with the first internal static pressure value, and driving the exhaust fan to rotate at the first rotating speed.
2. The method for controlling a negative pressure isolation ward according to claim 1, wherein said step of driving said exhaust fan to operate at said first rotational speed is followed by the steps of:
after the exhaust fan runs for a first time at the first rotating speed, the air inlet fan is driven to run;
judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state;
if at least one micro-pressure sensor is in a normal working state, obtaining a second air pressure measurement value of the at least one micro-pressure sensor which normally works, and obtaining a second internal static pressure value of the negative pressure isolation ward according to the second air pressure measurement value;
and acquiring a second rotating speed matched with the second internal static pressure value, and driving the exhaust fan to rotate at the second rotating speed.
3. The method for controlling a negative pressure isolation ward according to claim 2, wherein the step of driving the exhaust fan to operate at the second rotational speed is followed by:
receiving a shutdown instruction input by a user, and controlling the air inlet fan to stop running according to the shutdown instruction;
and after the second time when the air inlet fan stops operating, controlling the air exhaust fan to stop operating.
4. The method for controlling the negative pressure isolation ward according to claim 2, wherein the step of driving the air intake fan to operate is followed by:
and judging whether the air inlet fan is in a normal working state, if not, sending a first alarm signal, wherein the first alarm signal comprises a first fault code, and the first fault code is used for indicating that the air inlet fan is abnormal in operation.
5. The method for controlling a negative pressure isolation ward of claim 1, wherein the step of obtaining a first internal static pressure value of the negative pressure isolation ward from the first air pressure measurement value comprises:
if one micro-pressure sensor is in a normal working state, taking a first air pressure measurement value of the micro-pressure sensor in normal working as the first internal static pressure value;
and if at least one micro-pressure sensor is in a normal working state, taking the average value of the first air pressure measurement values of the micro-pressure sensors in normal working as the first internal static pressure value.
6. The method for controlling a negative pressure isolation ward according to claim 1, wherein the step of determining whether at least one of the at least two micro pressure sensors is normally operated comprises:
if the at least two micro-pressure sensors are not in the normal working state, sending a second alarm signal, wherein the second alarm signal comprises a second fault code, and the second fault code is used for indicating that the at least two micro-pressure sensors are not in the normal working state;
if at least one micro-pressure sensor is not in a normal working state, sending a third alarm signal, wherein the third alarm signal comprises a third fault code, and the third fault code is used for indicating that the at least one micro-pressure sensor is not in the normal working state.
7. The method for controlling a negative pressure isolation ward according to claim 1, wherein the step of driving the exhaust fan to operate at the first rotational speed is followed by:
and judging whether the exhaust fan is in a normal working state, if not, sending a fourth alarm signal, wherein the fourth alarm signal comprises a fourth fault code, and the fourth fault code is used for indicating that the exhaust fan is abnormal in operation.
8. The control system for the negative pressure isolation ward is characterized by being applied to the negative pressure isolation ward, wherein the negative pressure isolation ward comprises at least two micro-pressure sensors, an air exhaust fan and an air intake fan, and the control method for the negative pressure isolation ward comprises the following steps:
the judging module is used for acquiring a starting instruction input by a user and judging whether at least one micro-pressure sensor in the at least two micro-pressure sensors is in a normal working state;
the acquisition module is used for acquiring a first air pressure measurement value of at least one normally working micro-pressure sensor if the at least one micro-pressure sensor is in a normal working state, and acquiring a first internal static pressure value of the negative pressure isolation ward according to the first air pressure measurement value;
and the driving module is used for acquiring a first rotating speed matched with the first internal static pressure value and driving the exhaust fan to rotate at the first rotating speed.
9. A control apparatus for a negative pressure isolation ward, comprising: a processor coupled to the memory and a memory having a computer program stored therein, the processor executing the computer program to implement the method of any of claims 1-7.
10. A storage medium, characterized in that a computer program is stored, which computer program is executable by a processor to implement the method according to any of claims 1-7.
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