CN214253024U - Special negative pressure controller for rescue - Google Patents
Special negative pressure controller for rescue Download PDFInfo
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- CN214253024U CN214253024U CN202120581490.4U CN202120581490U CN214253024U CN 214253024 U CN214253024 U CN 214253024U CN 202120581490 U CN202120581490 U CN 202120581490U CN 214253024 U CN214253024 U CN 214253024U
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Abstract
The utility model provides a special negative pressure controller for rescue, which belongs to the technical field of special rescue equipment and comprises a controller body, a pressure difference detection module, a fan speed regulation module and a disinfection control module, wherein the fan speed is regulated according to the pressure difference value detected by the pressure difference detection module, the higher the fan speed is, the higher the negative pressure value in the negative pressure chamber is, the larger the negative pressure is, the pressure difference value in the negative pressure chamber is detected by the pressure detection module and is sent to the controller body, the fan speed regulation module controls the wind speed of the fan, thereby the negative pressure value in the negative pressure chamber can be regulated, the regulation is flexible, the operation is convenient, the automatic regulation can be realized, the negative pressure value in the negative pressure chamber is always maintained in a constant range, in addition, the gas quality in the negative pressure chamber can be controlled by the disinfection control module, the disinfection and the disinfection is carried out in real time, the negative pressure value can be regulated by the controller of the special negative pressure system for rescue according to the indoor negative pressure change, can sterilize and disinfect indoor polluted gas.
Description
Technical Field
The utility model belongs to the technical field of the professional equipment of rescue, more specifically say, relate to a special negative pressure controller of rescue.
Background
In the prior art, in order to prevent a space polluted by bacteria or viruses from diffusing polluted gas to the outside, a negative pressure system is usually arranged, so that the outside gas enters the space under the action of negative pressure, and the inside polluted gas is discharged to the outside through the negative pressure system and purifies the discharged gas.
For example, when an ambulance transports a patient with respiratory infectious disease, infectious biological agents generated by physiological activities such as the breathing of the patient may diffuse into the external environment through gaps such as windows and doors of a patient room, which may easily cause pollution to the surrounding environment and harm to the public. For this reason, it is necessary to provide a negative pressure system in the ambulance to purify and sterilize the air inside the ambulance and the air inside the patient's room and then discharge the air to the outside environment.
However, in the negative pressure system specially used for rescuing patients at present, when the negative pressure in the negative pressure chamber changes due to the flowing of indoor personnel or the opening and closing of doors and windows, the controller cannot effectively and timely adjust the negative pressure value so as to maintain the balance of the negative pressure in the negative pressure chamber and cannot sterilize and disinfect polluted gas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special negative pressure controller of rescue aims at solving among the prior art special negative pressure system's of rescue controller and can not adjust the negative pressure value according to indoor negative pressure change, can not be to the sterile technical problem that disinfects of indoor gaseous pollutants.
In order to achieve the above object, the utility model adopts the following technical scheme: the negative pressure controller special for rescue comprises a controller body, a pressure difference detection module, a fan speed regulation module and a disinfection control module, wherein the controller body is arranged in a negative pressure chamber; the pressure difference detection module is arranged on the controller body, is communicated with the inside of the negative pressure chamber and the outside of the negative pressure chamber, is connected with the controller body and is used for detecting the pressure difference between the inside of the negative pressure chamber and the outside of the negative pressure chamber; the fan speed regulating module is arranged on the controller body, is controlled by the controller body and is used for regulating the rotating speed of the fan, the fan is communicated with the negative pressure chamber and is used for sucking gas in the negative pressure chamber and forming a negative pressure state, and the fan speed regulating module regulates the rotating speed of the fan according to the pressure difference value detected by the pressure difference detection module so as to regulate the negative pressure value in the negative pressure chamber; the disinfection control module is arranged in the negative pressure chamber, is connected with the controller body and is used for disinfecting and sterilizing gas in the negative pressure chamber.
As another embodiment of the application, the negative pressure controller special for rescue further comprises an alarm module, the alarm module is connected with the controller body, and when the disinfection control module breaks down, the alarm module sends out an alarm signal.
As another embodiment of the present application, a negative pressure difference threshold between the inside and the outside of the negative pressure chamber is preset on the controller body, and the controller body instructs the fan speed regulation module to regulate the speed of the fan according to the pressure difference detected by the pressure difference detection module.
As another embodiment of the present application, when the pressure difference detected by the pressure difference detection module is lower than or higher than a pressure difference threshold range, the alarm module sends an alarm signal.
As another embodiment of the present application, the sterilization control module includes a sterilization lamp and a sterilization switch, the sterilization lamp is disposed in the negative pressure chamber and electrically connected to the controller body, and the sterilization switch is disposed on the controller body and used for controlling the sterilization lamp to be turned on or off; the disinfection control module further comprises a fault indicator lamp connected with the controller body, and when the disinfection lamp breaks down, the fault indicator lamp is started.
As another embodiment of this application, pressure difference detection module is including the indoor high-pressure gas pipeline of intercommunication negative pressure, the outdoor low-pressure gas pipeline of intercommunication negative pressure and be used for detecting the low-pressure gas pipeline with pressure difference's pressure differential sensor between the high-pressure gas pipeline, pressure differential sensor locates on the controller body and with controller body electric connection, the low-pressure gas pipeline with the outer end of high-pressure gas pipeline all communicates the controller body.
As another embodiment of the present application, the alarm module includes a low-pressure alarm and a high-pressure alarm, the controller body is further preset with a first preset value and a second preset value, both the first preset value and the second preset value are higher than a pressure difference threshold value, the first preset value is higher than the second preset value, and when the pressure difference value is greater than the first preset value and smaller than the second preset value, the low-pressure alarm sends an alarm signal; and when the pressure difference value is greater than the second preset value, the high-pressure alarm sends out an alarm signal.
As another embodiment of this application, rescue special negative pressure controller still includes the display appearance, the display appearance with controller body electric connection, and be used for showing the indoor outer pressure differential value data information of negative pressure.
As another embodiment of the present application, the controller body is further provided with a communication module, and the controller body can communicate with an external communication terminal through the communication module; the controller body is further connected with a printing module, and the printing module is used for outputting and printing the pressure difference value detected by the pressure difference detection module.
As another embodiment of the present application, the fan speed regulation module includes at least two wind speed switches for regulating the rotation speed of the fan, and each of the wind speed switches controls the wind speed of different gears.
The utility model provides a pair of special negative pressure controller of rescue's beneficial effect lies in: compared with the prior art, the utility model relates to a negative pressure controller special for rescue, the controller body is provided with a pressure difference threshold range, according to the pressure difference value detected by the pressure difference detection module, the rotating speed of the fan is adjusted to be higher, the higher the negative pressure value in the negative pressure chamber is, the larger the negative pressure is, the pressure detection module detects the difference value of the pressure inside and outside the negative pressure chamber and sends the difference value to the controller body, the controller body determines whether to execute the wind speed of the fan speed regulation module, thereby the negative pressure value in the negative pressure chamber can be adjusted, the adjustment is flexible, the operation is convenient, the automatic adjustment can be realized, the negative pressure value in the negative pressure chamber is always maintained in a constant range, in addition, the disinfection control module can control the quality of negative pressure indoor gas and sterilize and disinfect in real time, and the controller with the rescue special negative pressure system can adjust the negative pressure value according to the indoor negative pressure change and has the technical effect of sterilizing and disinfecting indoor polluted gas.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a negative pressure controller dedicated for rescue according to an embodiment of the present invention.
In the figure: 1. a controller body; 2. a power switch; 3. a power line; 4. wiring of the fan; 5. a sterilizing switch; 6. sterilizing the wiring; 7. a disinfection indicator light; 8. a low pressure gas line; 9. a high pressure gas line; 10. a low-voltage alarm; 11. a high voltage alarm; 12. a display instrument; 13. a low speed switch; 14. a medium speed switch; 15. and (4) high-speed switching.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a negative pressure controller dedicated for rescue according to the present invention will now be described. The negative pressure controller special for rescue comprises a controller body 1, a pressure difference detection module, a fan speed regulation module and a disinfection control module, wherein the controller body 1 is arranged outside a negative pressure chamber; the pressure difference detection module is arranged on the controller body 1, is communicated with the inside of the negative pressure chamber and the inside of the negative pressure cabin, is connected with the controller body 1 and is used for detecting the pressure difference between the inside of the negative pressure chamber and the outside of the negative pressure chamber; the fan speed regulating module is arranged on the controller body 1, is controlled by the controller body 1 and is used for regulating the rotating speed of the fan, the fan is communicated with the negative pressure chamber and is used for sucking gas in the negative pressure chamber and forming a negative pressure state, and the fan speed regulating module regulates the rotating speed of the fan according to the pressure difference value detected by the pressure difference detection module so as to regulate the negative pressure value in the negative pressure chamber; the disinfection control module is arranged in the negative pressure chamber, is connected with the controller body 1 and is used for disinfecting and sterilizing gas in the negative pressure chamber.
Compared with the prior art, the utility model provides a special negative pressure controller for rescue, the controller body 1 is provided with a pressure difference threshold range, the fan rotating speed is adjusted according to the pressure difference value detected by the pressure difference detection module, the higher the fan rotating speed, the higher the negative pressure value in the negative pressure chamber, the larger the negative pressure, the pressure difference value inside and outside the negative pressure chamber is detected by the pressure detection module and sent to the controller body 1, the controller body 1 determines the wind speed of the fan speed regulation module, thereby the negative pressure value in the negative pressure chamber can be adjusted, the adjustment is flexible, the operation is convenient, the automatic adjustment can be realized, the negative pressure value in the negative pressure chamber is always maintained in a constant range, in addition, the gas quality in the negative pressure chamber can be controlled by the disinfection control module, the disinfection and disinfection are carried out in real time, the controller with the special negative pressure system for rescue can adjust the negative pressure value according to the indoor negative pressure change, can sterilize and disinfect indoor polluted gas.
In this embodiment, controller body 1 is inside to be equipped with PLC controller and control circuit, can realize going the function of adjusting the fan rotational speed according to the pressure difference that pressure difference detection module detected, has preset the pressure difference threshold value scope promptly on controller body 1, and this scope is that can adjust wantonly and set for, will go reasonable settlement according to the indoor environment of negative pressure and required negative pressure value this moment. The pressure difference value fed back by the pressure difference detection module is compared with a preset pressure difference threshold value, and the rotating speed of the fan is automatically adjusted; the running speed of the fan determines the height of the negative pressure value in the negative pressure chamber, namely the fan speed is in direct proportion to the height of the negative pressure value. Other forms of the controller body 1 may be used, such as a controller used in the prior art to control the negative pressure in the negative pressure chamber.
When this application is used on the ambulance, controller body 1 can also with ambulance driver's cabin control system interconnect, through can control the indoor negative pressure value of negative pressure in the driver's cabin.
The output end of the fan is provided with an exhaust pipe, the air inlet of the fan is provided with a filter, and the filter is used for filtering impurities, pollutants and the like in the gas pumped from the negative pressure chamber, so that the discharged gas reaches the discharge standard of clean air. Be equipped with switch 2 on controller body 1, switch 2 is master switch, can the opening and closing of integral control controller body 1, supply power on to controller body 1 through power cord 3, be equipped with fan wiring 4 on the controller body 1 for connect the fan on the negative pressure equipment, be equipped with indoor high-pressure port and outdoor low pressure port on controller body 1, be equipped with fan wiring mouth in inside, fan and fan wiring 4 intercommunication on the negative pressure equipment, the fan is rotatory back through indoor high-pressure port gas pipeline 9 suction negative pressure indoor gas.
As a specific embodiment of the utility model provides a pair of special negative pressure controller of rescue please refer to figure 1, and special negative pressure controller of rescue still includes alarm module, and alarm module is connected with controller body 1, and when disinfection control module broke down, alarm module sent alarm signal.
As a specific implementation of a pair of special negative pressure controller of rescue please refer to fig. 1, preset the indoor outer differential pressure threshold value of negative pressure on controller body 1, according to the pressure differential that the pressure differential detection module detected, controller body 1 instructs fan speed governing module to carry out the speed governing to the fan.
As a specific implementation manner of the special negative pressure controller for rescue, please refer to fig. 1, when the pressure difference detected by the pressure difference detection module is lower than or higher than the pressure difference threshold range, the alarm module sends out an alarm signal.
As a specific implementation manner of the negative pressure controller dedicated for rescue provided by the utility model, please refer to fig. 1, the disinfection control module includes a disinfection lamp and a disinfection switch 5, the disinfection lamp is disposed in the negative pressure chamber and electrically connected to the controller body 1, the disinfection switch 5 is disposed on the controller body 1 for controlling the disinfection lamp to be turned on or off; the disinfection control module further comprises a fault indicator lamp connected with the controller body 1, and when the disinfection lamp breaks down, the fault indicator lamp is started. Be equipped with disinfection wiring 6 on controller body 1, disinfection wiring 6 is connected with indoor disinfection lamp of negative pressure and disinfection switch 5, through the start-up and the stop of disinfection lamp of disinfection switch 5 control.
The controller body 1 is also provided with a disinfection indicator lamp 7 for indicating whether the disinfection lamp is in fault. When the disinfection lamp normally works, the disinfection indicating lamp 7 is normally on, and when the disinfection lamp breaks down, the disinfection indicating lamp 7 flickers or goes out.
As a pair of the utility model provides a pair of special negative pressure controller of rescue please refer to fig. 1, pressure differential detection module is including the indoor high-pressure gas pipeline 9 of intercommunication negative pressure, the outdoor low-pressure gas pipeline 8 of intercommunication negative pressure and be used for detecting the pressure difference's between low-pressure gas pipeline 8 and the high-pressure gas pipeline 9 pressure differential sensor, pressure differential sensor locate on the controller body 1 and with 1 electric connection of controller body, low-pressure gas pipeline 8 and high-pressure gas pipeline 9's outer end all communicate controller body 1.
In order to avoid the negative pressure value in the negative pressure chamber from being too large or too small, as a specific implementation manner of the negative pressure controller special for rescue provided by the utility model, please refer to fig. 1, the alarm module comprises a low pressure alarm 10 and a high pressure alarm 11, a first preset value and a second preset value are also preset on the controller body 1, both the first preset value and the second preset value are higher than the pressure difference threshold value, and the first preset value is higher than the second preset value, when the pressure difference value is larger than the first preset value and smaller than the second preset value, the low pressure alarm 10 sends an alarm signal; and when the pressure difference value is greater than the second preset value, the high-pressure alarm 11 sends out an alarm signal.
As a specific implementation manner of the special negative pressure controller for rescue, please refer to fig. 1, the special negative pressure controller for rescue further includes a display 12, the display 12 is electrically connected to the controller body 1, and is used for displaying the data information of the pressure difference value inside and outside the negative pressure chamber. The display 12 is a display screen, can display data and other information, and is connected to the differential pressure detection module through a wire harness.
As a specific embodiment of the negative pressure controller dedicated for rescue provided by the present invention, please refer to fig. 1, a communication module is further disposed on the controller body 1, and the controller body 1 can communicate with an external communication terminal through the communication module; the controller body 1 is also connected with a printing module, and the printing module is used for outputting the pressure difference detected by the printing pressure difference detection module. The communication output adopts R485 output, an output interface with the R485 function is arranged on the controller body 1, and mutual communication can be realized between the communication terminal and the controller body 1. The controller body 1 is provided with a printing interface, and the printing interface can be connected with a data line in an inserting mode and is connected with printing equipment.
As a specific implementation of the special negative pressure controller for rescue, please refer to fig. 1, the fan speed regulation module includes at least two air speed switches for adjusting the fan speed, and each air speed switch controls the air speed of different gears respectively. Each wind speed switch represents a gear, three gears, namely a low-speed switch 13, a medium-speed switch 14 and a high-speed switch 15 are used in the application, and the rotating speeds of corresponding fans are also three, so that the rotating speed of the fans can be controlled manually, and the pressure difference between the inside and the outside of the negative pressure chamber can be adjusted rapidly.
Of course, the wind speed switch can be arranged in other forms, such as a knob type, a button type and the like, and the wind speed is controlled through the knob and the button.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A special negative pressure controller for rescue is characterized by comprising:
the controller body is arranged in the negative pressure chamber;
the pressure difference detection module is arranged on the controller body, is communicated with the inside of the negative pressure chamber and the outside of the negative pressure chamber, is connected with the controller body and is used for detecting the pressure difference between the inside of the negative pressure chamber and the outside of the negative pressure chamber;
the fan speed regulating module is arranged on the controller body, is controlled by the controller body and is used for regulating the rotating speed of the fan, the fan is communicated with the negative pressure chamber and is used for sucking gas in the negative pressure chamber and forming a negative pressure state, and the fan speed regulating module regulates the rotating speed of the fan according to the pressure difference value detected by the pressure difference detection module so as to regulate the negative pressure value in the negative pressure chamber;
and the disinfection control module is arranged in the negative pressure chamber, is connected with the controller body and is used for disinfecting and sterilizing gas in the negative pressure chamber.
2. The special rescue negative pressure controller as set forth in claim 1, further comprising:
and the alarm module is connected with the controller body, and when the disinfection control module breaks down, the alarm module sends out an alarm signal.
3. The special negative pressure controller for rescue as claimed in claim 2, wherein a threshold value of the pressure difference between the inside and the outside of the negative pressure chamber is preset on the controller body, and the controller body instructs the fan speed regulating module to regulate the speed of the fan according to the pressure difference detected by the pressure difference detecting module.
4. A rescue-dedicated negative pressure controller as claimed in claim 3, wherein the alarm module sends out an alarm signal when the pressure difference detected by the pressure difference detection module is lower or higher than the pressure difference threshold range.
5. The negative pressure controller special for rescue as claimed in claim 1, wherein the disinfection control module comprises a disinfection lamp and a disinfection switch, the disinfection lamp is disposed in the negative pressure chamber and electrically connected to the controller body, the disinfection switch is disposed on the controller body for controlling the disinfection lamp to be turned on or off;
the disinfection control module further comprises a fault indicator lamp connected with the controller body, and when the disinfection lamp breaks down, the fault indicator lamp is started.
6. The special rescue negative pressure controller as claimed in claim 1, wherein the pressure difference detection module comprises a high pressure gas pipeline communicated with the inside of the negative pressure chamber, a low pressure gas pipeline communicated with the outside of the negative pressure chamber, and a pressure difference sensor for detecting a pressure difference between the low pressure gas pipeline and the high pressure gas pipeline, the pressure difference sensor is disposed on and electrically connected to the controller body, and the outer ends of the low pressure gas pipeline and the high pressure gas pipeline are both communicated with the controller body.
7. The negative pressure controller special for rescue of claim 4, wherein the alarm module comprises a low pressure alarm and a high pressure alarm, the controller body is further preset with a first preset value and a second preset value, the first preset value and the second preset value are both higher than a pressure difference threshold value, the first preset value is higher than the second preset value, and when the pressure difference value is greater than the first preset value and smaller than the second preset value, the low pressure alarm sends an alarm signal; and when the pressure difference value is greater than the second preset value, the high-pressure alarm sends out an alarm signal.
8. The special negative pressure controller for rescue of claim 1, further comprising a display instrument electrically connected to the controller body and used for displaying data information of pressure difference value inside and outside the negative pressure chamber.
9. The negative pressure controller special for rescue as claimed in claim 1, wherein the controller body is further provided with a communication module, and the controller body can communicate with an external communication terminal through the communication module;
the controller body is further connected with a printing module, and the printing module is used for outputting and printing the pressure difference value detected by the pressure difference detection module.
10. The special rescue negative pressure controller as claimed in claim 1, wherein the fan speed control module comprises at least two wind speed switches for adjusting the fan speed, and each wind speed switch controls the wind speed of different gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120581490.4U CN214253024U (en) | 2021-03-22 | 2021-03-22 | Special negative pressure controller for rescue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120581490.4U CN214253024U (en) | 2021-03-22 | 2021-03-22 | Special negative pressure controller for rescue |
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| CN214253024U true CN214253024U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120581490.4U Active CN214253024U (en) | 2021-03-22 | 2021-03-22 | Special negative pressure controller for rescue |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116421414A (en) * | 2023-03-31 | 2023-07-14 | 和之力(海南)汽车有限公司 | Intelligent ambulance based on multiple isolation cabins |
-
2021
- 2021-03-22 CN CN202120581490.4U patent/CN214253024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116421414A (en) * | 2023-03-31 | 2023-07-14 | 和之力(海南)汽车有限公司 | Intelligent ambulance based on multiple isolation cabins |
| CN116421414B (en) * | 2023-03-31 | 2024-01-19 | 和之力(海南)汽车有限公司 | Intelligent ambulance based on multiple isolation cabins |
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