CN215724016U - BMS system amount of wind automatic control device - Google Patents
BMS system amount of wind automatic control device Download PDFInfo
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- CN215724016U CN215724016U CN202122335170.3U CN202122335170U CN215724016U CN 215724016 U CN215724016 U CN 215724016U CN 202122335170 U CN202122335170 U CN 202122335170U CN 215724016 U CN215724016 U CN 215724016U
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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
Abstract
The utility model relates to an automatic air quantity control device of a BMS (battery management system), wherein the air supply system comprises an air conditioning unit and a pipeline for serial air supply, the air conditioning unit comprises a fresh air section, a first filtering section, a fan section, a second filtering section and an air outlet section which are sequentially arranged according to an air inlet direction, the automatic air quantity control device of the BMS system is used for controlling air supply of the air supply system, the automatic air quantity control device of the BMS system comprises a unit controller, an air speed measuring sheet and at least two pressure difference transmitters, the air speed measuring sheet and the pressure difference transmitters are in communication connection with the unit controller, a control output end of the unit controller is electrically connected with a variable frequency fan arranged on the fan section, the air speed measuring sheet is arranged at an air outlet of the air outlet section, and the pressure difference transmitters for detecting the front-back pressure difference are respectively arranged on the front side and the back side of the first filtering section and the front-back side of the second filtering section. This application can stabilize effectual control BMS system's the amount of wind that supplies air, guarantees BMS system's normal operating.
Description
Technical Field
The utility model relates to the technical field of air supply control, in particular to an automatic air quantity control device of a BMS system.
Background
BMS (building Management system) building equipment Management system, referred to as BMS system for short, is a system that performs comprehensive Management of building equipment monitoring systems, public safety systems, and the like. The BMS system is suitable for selecting and configuring the following functions of management, control, monitoring, display, fault alarm and the like according to the condition of the building equipment: refrigerating system, heating power system, chilled water, cooling water temperature and pressure, refrigerating pump, cooling water pump, cooling tower fan, air conditioning unit, Variable Air Volume (VAV) system, air supply and exhaust system, water pump and liquid level of water supply system and sewage treatment system, power supply and distribution system, lighting, elevator and escalator, etc.
Wherein, to air conditioning unit's work, air conditioning unit is after long-time operation, and air conditioning unit filters outdoor new trend and room return air and leads to the filter jam, and the air supply amount of wind reduces thereupon after the filter jam, leads to unable required invariable amount of wind of keeping BMS system. Therefore, how to monitor the filter and the air supply so as to ensure the constant air volume required by the BMS system is a technical problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic air quantity control device of a BMS (battery management system), which can stably and effectively control the air supply quantity of the BMS and ensure the normal operation of the BMS.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides an automatic air quantity control device of a BMS system, an air supply system comprises an air conditioning unit and a pipeline connected in series for air supply, wherein, the air conditioning unit comprises a fresh air section, a first filter section, a fan section, a second filter section and an air outlet section which are arranged in sequence according to the air inlet direction, the BMS system air volume automatic control device is used for controlling the air supply of the air supply system, the BMS system air volume automatic control device comprises a unit controller, an air speed measuring sheet and at least two pressure difference transmitters, the air speed measuring sheet and the pressure difference transmitters are in communication connection with the unit controller, the control output end of the unit controller is electrically connected with a variable frequency fan arranged on the fan section, the wind speed measuring sheet is arranged at the air outlet of the air outlet section, and the pressure difference transmitters for detecting the front and rear pressure difference are respectively arranged on the front and rear sides of the first filtering section and the front and rear sides of the second filtering section.
For the above technical solution, the applicant has further optimization measures.
Optionally, a humidifier is arranged between the fan section and the second filter section, an air supply temperature and humidity detection sensor is arranged at an air outlet of the air outlet section, a fresh air temperature and humidity detection sensor is arranged at an air inlet of the fresh air section, signal output ends of the air supply temperature and humidity detection sensor and the fresh air temperature and humidity detection sensor are in communication connection with the unit controller, and the unit controller is connected with the humidifier.
Optionally, an air supply wind pressure sensor is arranged at the air outlet, and the air supply wind pressure sensor is in communication connection with the unit controller.
Further, the new trend department has still seted up the return air inlet return air department is provided with return air temperature and humidity detection sensor, return air wind pressure sensor, return air temperature and humidity detection sensor, return air wind pressure sensor all with unit controller communication connection.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the automatic air quantity control device of the BMS system, the front and back air pressures of the filter section are monitored through the differential pressure transmitter, so that the blocking condition of the filter in the filter section can be effectively judged, the reliable detection of the filter section is realized, and the maintenance of the filter section is facilitated. The overall structure of device is simple, convenient operation, and control effect is splendid, can stabilize, effectual control BMS air supply amount of wind, guarantees BMS system normal operating.
Drawings
Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of an automatic air volume control device of a BMS system according to an embodiment of the present invention.
Wherein the reference numerals are as follows:
1. the air conditioner comprises an air conditioning unit 11, a fresh air section 12, a first filtering section 13, a fan section 14, a second filtering section 15, an air outlet section 16 and a variable frequency fan;
2. measuring a wind speed sheet;
3. a differential pressure transmitter;
41. air supply temperature and humidity detection sensor 42 and air supply pressure sensor;
51. a return air temperature and humidity detection sensor 52 and a return air pressure sensor;
6. fresh air temperature and humidity detection sensor.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
This embodiment describes a BMS system amount of wind automatic control device, as shown in FIG. 1, air supply system includes air conditioning unit 1 and the pipeline of series connection air supply, and air conditioning unit 1 inserts in each room that uses the air conditioner through the pipeline of supplying air, and the rethread return air pipeline is with return air retrieval and utilization to the return air inlet of air conditioning unit 1. The air conditioning unit 1 comprises a fresh air section 11, a first filtering section 12, a fan section 13, a second filtering section 14 and an air outlet section 15 which are arranged in sequence according to an air inlet direction, the BMS system air volume automatic control device is used for carrying out air supply control on an air supply system and comprises a unit controller, an air speed measuring sheet 2 and two pressure difference transmitters 3, the air speed measuring sheet 2 and the pressure difference transmitters 3 are in communication connection with the unit controller, a control output end of the unit controller is electrically connected with a variable frequency fan 16 arranged on the fan section 13, the air speed measuring sheet 2 is arranged at an air outlet of the air outlet section 15, and the pressure difference transmitters 3 used for detecting the front-back pressure difference are respectively arranged on the front side and the back side of the first filtering section 12 and the front-back side of the second filtering section 14. The unit controller is not shown in the figure, but the main body of the unit controller is connected with each sensor for detecting temperature, wind pressure and humidity, so as to control the variable frequency fan 16 and the humidifier according to the detection result, the unit controller can be implemented by a hardware control component of the air conditioning unit 1, and can also be implemented by an external control chip, a processor or even a computer, and only needs to properly adjust a control mechanism, and the part of control means belongs to the prior art and is not described herein again.
The automatic air quantity control device of the BMS system of the embodiment detects the pressure difference of the front side and the rear side of the first filter section 12 through one pressure difference transmitter 3, and detects the pressure difference of the front side and the rear side of the second filter section 14 through the other pressure difference transmitter 3, so that the pressure difference reaches a set threshold value and then is fed back to the unit controller, and an alarm or a prompt is given to remind of replacing or cleaning a filter in the filter section.
And the air volume of the air conditioning unit 1 is detected by the air velocity measuring sheet 2, if the air volume is different from the set threshold value, the variable frequency fan 16 is adjusted by the unit controller, so that the air volume approaches to the constant air volume.
In order to guarantee that the control result of the air quantity is accurate as far as possible, the air quantity of the return air and the fresh air is synthesized, an air supply wind pressure sensor 42 is arranged at the air outlet, and the air supply wind pressure sensor 42 is in communication connection with the unit controller. The new trend section 11 department has still seted up the return air inlet department is provided with return air pressure sensor 52, return air pressure sensor 52 all with the unit controller communication connection. Through the air quantity monitoring, the unit controller performs PID frequency adjustment on the variable frequency fan 16, so that the final air quantity at the air outlet is equal to the constant air quantity.
In addition, be provided with the humidifier between fan section 13 and the second filter stage 14 the air outlet department that is located air outlet section 15 is provided with air supply temperature and humidity detection sensor 41 the air inlet department of new trend section 11 is provided with new trend temperature and humidity detection sensor 61 air return department is provided with return air temperature and humidity detection sensor 51, air supply temperature and humidity detection sensor 41, new trend temperature and humidity detection sensor 61, return air temperature and humidity detection sensor 51's signal output part all with the unit controller communication connection, the unit controller with the humidifier links to each other. The humidity of the final air supply can be adjusted to be constant adaptively through monitoring the temperature and humidity values of all the nodes.
In conclusion, the BMS system air volume automatic control device monitors front and back air pressure of the filter section through the differential pressure transmitter 3, can effectively judge the blocking condition of the filter in the filter section, thereby realizing reliable detection of the filter section and facilitating maintenance of the filter section. The overall structure of device is simple, convenient operation, and control effect is splendid, can stabilize, effectual control BMS air supply amount of wind, guarantees BMS system normal operating.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (4)
1. An automatic air quantity control device of a BMS system, an air supply system comprises an air conditioning unit and a pipeline which is connected in series for air supply, wherein, the air conditioning unit comprises a fresh air section, a first filtering section, a fan section, a second filtering section and an air outlet section which are arranged in sequence according to the air inlet direction, the BMS system air volume automatic control device is used for carrying out air supply control on an air supply system, it is characterized in that the automatic air quantity control device of the BMS system comprises a unit controller, an air speed measuring sheet and at least two differential pressure transmitters, wherein the air speed measuring sheet and the differential pressure transmitters are in communication connection with the unit controller, the control output end of the unit controller is electrically connected with a variable frequency fan arranged on the fan section, the wind speed measuring sheet is arranged at the air outlet of the air outlet section, and the pressure difference transmitters for detecting the front and rear pressure difference are respectively arranged on the front and rear sides of the first filtering section and the front and rear sides of the second filtering section.
2. The automatic air volume control device of the BMS system according to claim 1, wherein a humidifier is arranged between the fan section and the second filter section, an air supply temperature and humidity detection sensor is arranged at an air outlet of the air outlet section, a fresh air temperature and humidity detection sensor is arranged at an air inlet of the fresh air section, signal output ends of the air supply temperature and humidity detection sensor and the fresh air temperature and humidity detection sensor are both in communication connection with the unit controller, and the unit controller is connected with the humidifier.
3. The automatic air volume control device of BMS according to claim 1, wherein a blowing air pressure sensor is installed at said air outlet, and said blowing air pressure sensors are all connected to said set controller in communication.
4. The BMS system air volume automatic control device according to any one of claims 1 to 3, wherein a return air inlet is further arranged at the fresh air section, a return air temperature and humidity detection sensor and a return air pressure sensor are arranged at the return air inlet, and the return air temperature and humidity detection sensor and the return air pressure sensor are both in communication connection with the unit controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335170.3U CN215724016U (en) | 2021-09-26 | 2021-09-26 | BMS system amount of wind automatic control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122335170.3U CN215724016U (en) | 2021-09-26 | 2021-09-26 | BMS system amount of wind automatic control device |
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| CN215724016U true CN215724016U (en) | 2022-02-01 |
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| CN202122335170.3U Active CN215724016U (en) | 2021-09-26 | 2021-09-26 | BMS system amount of wind automatic control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293998A (en) * | 2022-12-30 | 2023-06-23 | 江苏源一工程科技有限公司 | Heating and ventilation system with local air supply |
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2021
- 2021-09-26 CN CN202122335170.3U patent/CN215724016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293998A (en) * | 2022-12-30 | 2023-06-23 | 江苏源一工程科技有限公司 | Heating and ventilation system with local air supply |
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