CN201355310Y - Energy efficiency ratio measuring instrument of central air conditioning system of ground source heat pump - Google Patents
Energy efficiency ratio measuring instrument of central air conditioning system of ground source heat pump Download PDFInfo
- Publication number
- CN201355310Y CN201355310Y CNU2009201051109U CN200920105110U CN201355310Y CN 201355310 Y CN201355310 Y CN 201355310Y CN U2009201051109 U CNU2009201051109 U CN U2009201051109U CN 200920105110 U CN200920105110 U CN 200920105110U CN 201355310 Y CN201355310 Y CN 201355310Y
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- heat pump
- central air
- source heat
- energy efficiency
- efficiency ratio
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Abstract
The utility model relates to an energy efficiency ratio measuring instrument of a central air conditioning system of a ground source heat pump, which can carry out dynamic efficiency ratio measurement continuously. By measuring the input flow rate, output flow rate, input pressure, output pressure, input temperature and output temperature of output medium of the central air conditioning system energy of the ground source heat pump in real time, the heat is calculated by a core processor in real time, the output power of the central air conditioning system of the ground source heat pump is calculated according to heat equivalent of work; simultaneously the electric power consumed by the central air conditioning system of the whole ground source heat pump is measured; and the ratio of the output power of the central air conditioning system of the ground source heat pump and the consumed power thereof is actual energy efficiency ratio of the central air conditioning system of the ground source heat pump in measuring time.
Description
Technical field
The utility model relates to a kind of measurement mechanism, especially relates to the measuring instrument of real-time measurement earth source heat pump central air conditioner system Energy Efficiency Ratio
Background technology
Whether energy-conservation the Energy Efficiency Ratio of earth source heat pump central air conditioner system is the dynamic variable of a comprehensive multiple parameter, also be this air-conditioning system important indicator.At present, the measurement of geothermal heat pump air-conditioning system Energy Efficiency Ratio is finished in the laboratory basically, and basic skills is to connect multiple measurement instrument on tested air-conditioning equipment, obtains various measurement data, these data is handled again, and then is drawn Energy Efficiency Ratio.This measuring method is difficult to carry out real-time Energy Efficiency Ratio for large-scale earth source heat pump central air conditioner system and measures.
The utility model content
In order to overcome the deficiency of existing geothermal heat pump air-conditioning system Energy Efficiency Ratio measurement means, the utility model provides a kind of earth source heat pump central air conditioner system Energy Efficiency Ratio measuring instrument, this Energy Efficiency Ratio measuring instrument can not only be measured the Energy Efficiency Ratio of central air conditioner system in real time, and can carry out dynamic Energy Efficiency Ratio continuously and measure.
The technical scheme that its technical matters that solves the utility model adopts is: propose a kind of earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism, this measurement mechanism comprises cabinet, panel and metering circuit, wherein,
Described panel comprises LCDs and input keyboard, related various parameters when described liquid crystal display displays is measured; Described input keyboard is imported the Energy Efficiency Ratio data of other air-conditioning systems, for comparing;
The metering circuit of measurement mechanism is arranged in the described cabinet, and this circuit comprises a core processor, a plurality of passages that are used to gather and independently front-end processor and connecting bus separately, and acquisition channel is connected by bus with core processor.
Described core processor module is made of CPU, front-end processor and auxiliary element thereof; Described acquisition channel has the measurement interface; CPU is connected by eight bit parallel buses with front-end processor; Described acquisition channel is connected by universal serial bus by the front-end processor in the core processor module of measuring interface and system; Described input keyboard provides by the GPIO line that is connected directly by CPU of keyboard interface and system core processor module.
Described metering circuit includes storer, and this storer is connected with system core processor module by internal bus independently.
Described LCD adopts the monochromatic dot matrix LCD of 320*240, is driven by display controller independently, and this display controller is connected with the RSR232 interface of system core processor module by the TTL form.
Described measurement interface comprises seven acquisition channels, is respectively applied for to gather input flow rate, delivery rate, input pressure, output pressure, input temp, output temperature and electric power; Described acquisition channel has separately independently front-end processor, and acquisition channel is connected by bus with core processor.
Wherein front-end processor (U1-U7) adopts 8-bit microprocessor, has independently clock separately, and reset signal is controlled by primary processor U201.
Described front-end processor (U1-U7) provides seven DATA REASONING interfaces (MODBUS-RTU) based on the MODBUS agreement in conjunction with communication controller (U8-U14) to the outside; Measuring the interface Physical layer is RS485 half-duplex structure, and each is measured interface configurable baud rate and check bit are provided respectively; Described front-end processor (U1-U7) can dispose different communications parameters, to adapt to multiple collecting device; Described front-end processor (U1-U7) all can independently be programmed, independent control; Bus converter (U15-U18) provides the conversion of bus signals level, data buffering, and play the effect of signal reshaping.
Described display interface device uses self-adaptation baud rate technology, is suitable for and multiple serial display control board exchange video data, and display interface device (JDIS) is directly controlled by primary processor.
Because utilizing the above-mentioned measurements and calculations of this measuring instrument is to carry out automatically simultaneously, does not need late time data to handle.And this measuring instrument carries out each test instrumentation integrated, be easy to carry, thereby the real-time Energy Efficiency Ratio of continuous coverage when can be in the erecting stage earth source heat pump central air conditioner system being moved, realize detecting in real time.
Description of drawings
Fig. 1 is an Energy Efficiency Ratio measuring instrument contour structures of the present utility model;
Fig. 2 is an Energy Efficiency Ratio measuring instrument structured flowchart of the present utility model;
Fig. 3 is an Energy Efficiency Ratio measuring instrument circuit diagram of the present utility model;
Fig. 4 and Fig. 5 are acquisition channel circuit diagrams of the present utility model
Fig. 6 is primary processor main line connecting circuit figure of the present utility model
Fig. 7 is the utility model provides power supply for each system a circuit diagram
Among the figure
1 LCDs, 2 input keyboards, 3 cabinets
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is an Energy Efficiency Ratio measuring instrument contour structures of the present utility model; Measuring instrument comprises cabinet 3, and the panel of cabinet 3 mainly comprises LCDs 1 and input keyboard 2.The concrete circuit of this measuring instrument is integrated in the cabinet 3, and this circuit comprises a microprocessor, seven passages that are used to gather and front-end processor independently separately, and acquisition channel, core processor and connecting bus are connected and all are arranged in the cabinet 3; LCDs shows various parameters related when measuring; The Energy Efficiency Ratio data of input keyboard 2 other air-conditioning systems of input are for comparing.
Fig. 2 is an Energy Efficiency Ratio measuring instrument structured flowchart of the present utility model; Whole measuring instrument structure is made up of system core module, measurement interface, storer, keyboard, display controller, LCD and power supply.Wherein system core module mainly is made of CPU, front-end processor and auxiliary element thereof.CPU is connected by eight bit parallel buses with front-end processor.Measuring interface is connected by universal serial bus with front-end processor in the system core module; Display controller is connected with the RSR232 interface of system core module by the TTL form; Keyboard interface is directly provided by the GPIO line of the CPU of system core module; Storer passes through independently, and internal bus is connected with system core module.Adopt the monochromatic dot matrix LCD of 320*240 output information, drive by display controller independently.Power supply provides required power supply for each system.
Measure interface and comprise that seven are used for acquisition channel, seven acquisition channels have separately independently front-end processor, seven acquisition channels are connected by bus with core processor, seven passages are respectively applied for gathers input flow rate, delivery rate, input pressure, output pressure, input temp, output temperature and electric power, and above listed various parameters can show by a LCDs.
Simultaneously, this measuring instrument comprises one can import the Energy Efficiency Ratio data of other air-conditioning systems for the keyboard of input, for comparing.
Fig. 3-Fig. 7 is an Energy Efficiency Ratio measuring instrument circuit diagram of the present utility model.As shown in the figure, concrete circuit comprises a microprocessor, and seven are used for acquisition channel and are respectively applied for and gather input flow rate, delivery rate, input pressure, output pressure, input temp, output temperature and electric power, and a liquid crystal display is used for video data; Core processor (U201 of accompanying drawing 6) carries out bus with seven front-end processor (as the U1-U7 of Fig. 4 and Fig. 5) by bus converter (U15 of Fig. 5, U16, U17, U18) and is connected; Measure interface (U8-U14 of Fig. 3) interface of measuring temperature, pressure, flow, electric power is provided; Display interface (JDIS of Fig. 6) provides the interface of liquid crystal display video data.
Wherein front-end processor (U1-U7) adopts 8-bit microprocessor, has independently clock separately, reset signal is by primary processor U201 control, and primary processor can be when deadlock appears in any one front-end processor, restarts front-end processor by reset signal independently.Front-end processor (U1-U7) is measured interface (U8-U14) in conjunction with communication controller and is provided seven DATA REASONING interfaces (MODBUS-RTU) based on the MODBUS agreement to the outside, measuring the interface Physical layer is RS485 half-duplex structure, and each is measured interface configurable baud rate and check bit are provided respectively; Front-end processor (U1-U7) can dispose different communications parameters, to adapt to multiple collecting device.Front-end processor (U1-U7) is connected by eight two-way simultaneous data buss with primary processor (U201); Front-end processor (U1-U7) all can independently be programmed, independent control; Bus converter (U15-U18) provides the conversion of bus signals level, data buffering, and play the effect of signal reshaping.Display interface device (JDIS) is the RSR232 interface of Transistor-Transistor Logic level, uses self-adaptation baud rate technology, is suitable for and multiple serial display control board exchange video data.Display interface device (JDIS) is directly controlled by primary processor.The benefit of doing like this is that primary processor only need be to the display message of display control board output formatization, and needn't carry out complicated liquid crystal display control operation, can alleviate the processing burden of primary processor.
Power circuit shown in Figure 7 provides required power supply for each system.
Foregoing circuit is by measuring input flow rate, delivery rate, input pressure, output pressure, input temp, the output temperature of central air conditioner system energy output medium in real time, by the heat that core processor calculates in real time, calculate the power of central air conditioner system output according to the mechanical equivalent of heat; Measure the electric power that whole central air conditioner system consumes simultaneously; The power of central air conditioner system output is central air conditioner system with the ratio of the electric power of consumption and is measuring actual Energy Efficiency Ratio constantly.
Claims (8)
1. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism, this measurement mechanism comprises cabinet, panel and metering circuit is characterized in that,
Described panel comprises LCDs and input keyboard, related various parameters when described liquid crystal display displays is measured; Described input keyboard is imported the Energy Efficiency Ratio data of other air-conditioning systems, for comparing;
Described metering circuit is arranged in the described cabinet, and this circuit comprises a core processor, a plurality of passages that are used to gather and independently front-end processor and connecting bus separately, and acquisition channel is connected by bus with core processor.
2. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism according to claim 1, it is characterized in that: described core processor module is made of CPU, front-end processor and auxiliary element thereof; Described acquisition channel has the measurement interface; CPU is connected by eight bit parallel buses with front-end processor; Described acquisition channel is connected by universal serial bus by the front-end processor in the core processor module of measuring interface and system; Described input keyboard provides by the GPIO line that is connected directly by CPU of keyboard interface and system core processor module.
3. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism according to claim 1, it is characterized in that: described metering circuit includes storer, and this storer is connected with system core processor module by internal bus independently.
4. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism according to claim 1, it is characterized in that: described LCD adopts the monochromatic dot matrix LCD of 320*240, driven by display controller independently, this display controller is connected with the RSR232 interface of system core processor module by the TTL form.
5. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism according to claim 2, it is characterized in that: described measurement interface comprises seven acquisition channels, is respectively applied for to gather input flow rate, delivery rate, input pressure, output pressure, input temp, output temperature and electric power; Described acquisition channel has separately independently front-end processor, and acquisition channel is connected by bus with core processor.
6. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism according to claim 1 is characterized in that: wherein front-end processor (U1-U7) adopts 8-bit microprocessor, has independently clock separately, and reset signal is controlled by primary processor U201.
7. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism according to claim 2 is characterized in that: described front-end processor (U1-U7) provides seven DATA REASONING interfaces (MODBUS-RTU) based on the MODBUS agreement in conjunction with communication controller (U8-U14) to the outside; Measuring the interface Physical layer is RS485 half-duplex structure, and each is measured interface configurable baud rate and check bit are provided respectively; Described front-end processor (U1-U7) can dispose different communications parameters, to adapt to multiple collecting device; Described front-end processor (U1-U7) all can independently be programmed, independent control; Bus converter (U15-U18) provides the conversion of bus signals level, data buffering, and play the effect of signal reshaping.
8. earth source heat pump central air conditioner Energy Efficiency Ratio measurement mechanism according to claim 1, it is characterized in that: described display interface device uses self-adaptation baud rate technology, be suitable for and multiple serial display control board exchange video data, display interface device (JDIS) is directly controlled by primary processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201051109U CN201355310Y (en) | 2009-01-15 | 2009-01-15 | Energy efficiency ratio measuring instrument of central air conditioning system of ground source heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201051109U CN201355310Y (en) | 2009-01-15 | 2009-01-15 | Energy efficiency ratio measuring instrument of central air conditioning system of ground source heat pump |
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| CN201355310Y true CN201355310Y (en) | 2009-12-02 |
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| CNU2009201051109U Expired - Lifetime CN201355310Y (en) | 2009-01-15 | 2009-01-15 | Energy efficiency ratio measuring instrument of central air conditioning system of ground source heat pump |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788395B (en) * | 2010-01-22 | 2011-10-26 | 西南交通大学 | Overheat fault diagnostic detecting method and device for room with ground source heat pump central air-conditioning system |
| CN103149039A (en) * | 2012-12-21 | 2013-06-12 | 党亚峰 | Energy-saving assessment system of central air-conditioning system |
| CN103759961A (en) * | 2014-01-23 | 2014-04-30 | 国家电网公司 | Energy efficiency assessment method of electrical refrigeration water chilling unit central air-conditioning system |
| CN104345210A (en) * | 2013-08-08 | 2015-02-11 | 李显斌 | Tooling fixture for production line testing and air energy water heater testing method thereof |
| CN105784403A (en) * | 2016-04-29 | 2016-07-20 | 广东美的暖通设备有限公司 | Heat pump system energy efficiency calculating equipment and method thereof |
| CN108980977A (en) * | 2018-08-10 | 2018-12-11 | 天津六百光年智能科技有限公司 | Control method and distribution control system based on the distribution of earth source heat pump heating power |
-
2009
- 2009-01-15 CN CNU2009201051109U patent/CN201355310Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788395B (en) * | 2010-01-22 | 2011-10-26 | 西南交通大学 | Overheat fault diagnostic detecting method and device for room with ground source heat pump central air-conditioning system |
| CN103149039A (en) * | 2012-12-21 | 2013-06-12 | 党亚峰 | Energy-saving assessment system of central air-conditioning system |
| CN104345210A (en) * | 2013-08-08 | 2015-02-11 | 李显斌 | Tooling fixture for production line testing and air energy water heater testing method thereof |
| CN103759961A (en) * | 2014-01-23 | 2014-04-30 | 国家电网公司 | Energy efficiency assessment method of electrical refrigeration water chilling unit central air-conditioning system |
| CN105784403A (en) * | 2016-04-29 | 2016-07-20 | 广东美的暖通设备有限公司 | Heat pump system energy efficiency calculating equipment and method thereof |
| CN108980977A (en) * | 2018-08-10 | 2018-12-11 | 天津六百光年智能科技有限公司 | Control method and distribution control system based on the distribution of earth source heat pump heating power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ECO-GREEN GROUND SOURCE TECHNOLOGICAL CO., Free format text: FORMER NAME: BEIJING ECO-GREENLAND GROUND SOURCE TECHNOLOGICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102200, Beijing Changping District science and Technology Park, super Road, No. 37, building 5, 3 Patentee after: Beijing Eco-Greenland Ground Source Technological Co., Ltd. Address before: 102200, Beijing Changping District science and Technology Park, super Road, No. 37, building 5, 3 Patentee before: Beijing Eco-greenland Ground Source Technological Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |