CN111060156B - Public building energy consumption monitoring system - Google Patents
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- CN111060156B CN111060156B CN201911397422.6A CN201911397422A CN111060156B CN 111060156 B CN111060156 B CN 111060156B CN 201911397422 A CN201911397422 A CN 201911397422A CN 111060156 B CN111060156 B CN 111060156B
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 99
- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000011217 control strategy Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 309
- 239000000498 cooling water Substances 0.000 claims description 63
- 238000004378 air conditioning Methods 0.000 claims description 31
- 239000013589 supplement Substances 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000003637 basic solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The application relates to the technical field of building energy consumption management, and particularly discloses a public building energy consumption monitoring system which comprises an energy consumption data acquisition device, a data gateway, a local data acquisition and analysis server and a remote data center server. The energy consumption data acquisition device is used for acquiring energy consumption data of each energy consumption device; the data gateway is used for receiving the energy consumption data uploaded by the energy consumption data acquisition device and processing the energy consumption data to obtain first data; the local data acquisition and analysis server is used for acquiring first data of a data gateway in the building and analyzing and processing the first data to obtain second data; the remote data center server is used for acquiring second data of local data acquisition and analysis service in the building, analyzing the second data and obtaining an energy consumption control strategy according to an analysis result; so as to monitor the building energy consumption and achieve the purpose of reasonable energy conservation.
Description
Technical Field
The invention relates to the technical field of building energy consumption management, in particular to a public building energy consumption monitoring system.
Background
With the continuous improvement of the urbanization level in China, the building energy consumption is continuously increased and accounts for about 40 percent of the energy consumption of the whole society. The contradiction between the lack of energy and the gradual increase of energy demand is increasingly prominent, and becomes a main obstacle for restricting the continuous progress and development of society. For a long time, China is limited by energy consumption monitoring, energy statistics and energy conservation supervision levels in the aspect of building energy conservation, so that the energy consumption statistics of the buildings in China are extensive, energy conservation supervision is omitted, a scientific energy utilization prediction system is lacked, and a large amount of building energy is consumed and wasted. In addition, energy consumption levels of all regions in the country are different, a large amount of manpower and material resources are needed for field research, energy consumption management needs to be completed in a longer time, and the development of an energy-saving society is severely restricted by a time-consuming and labor-consuming energy management mode. Therefore, the strengthening of the building energy consumption comprehensive management system is the basis for realizing the building 'subentry measurement, rated energy consumption and energy-saving supervision', and has important significance for the development of the relevant work of building energy saving in China.
Disclosure of Invention
The invention aims to provide a public building energy consumption monitoring system to monitor building energy consumption and reasonably save energy of public buildings.
The public building energy consumption monitoring system comprises an energy consumption data acquisition device, an energy consumption monitoring device and a data processing device, wherein the energy consumption data acquisition device is used for acquiring energy consumption data of each energy consumption device;
the data gateway is used for receiving the energy consumption data uploaded by the energy consumption data acquisition device and processing the energy consumption data to obtain first data;
the local data acquisition and analysis server is used for acquiring first data of a data gateway in the building and analyzing and processing the first data to obtain second data;
the remote data center server is used for acquiring second data of local data acquisition and analysis service in the building, analyzing the second data and obtaining an energy consumption control strategy according to an analysis result;
the energy consumption equipment comprises lighting equipment, water supply equipment and air conditioning equipment; the energy consumption data acquisition device comprises a first acquisition part, a second acquisition part and a third acquisition part, wherein the first acquisition part is used for acquiring energy consumption data of the lighting equipment, the second acquisition part is used for acquiring water consumption of the water supply equipment, and the third acquisition part is used for acquiring energy consumption data of the air conditioning equipment;
the water supply equipment comprises a cold water supply part and a hot water supply part, and after the energy consumption data of the air conditioning equipment reaches a preset value, the cold water supply part supplies cooling water to the air conditioning equipment and guides the cooling water to the hot water supply part.
The technical principle of the technical scheme is as follows:
the first collection portion and the third collection portion respectively collect the power consumption of lighting equipment and air conditioning equipment, and the second collection portion then collects the water supply capacity of water supply equipment, and the data of above gathering all feed back to remote data center server, through the data contrast after, when the energy consumption of air conditioning equipment reaches the default, switch over the energy consumption control strategy.
Specifically, when the energy consumption of the air-conditioning equipment in the building reaches a preset value, it indicates that there are many people in the building, and then the people move more intensively, and the ambient temperature is also lower. In this state, the energy consumption control strategy switches to the chilled water supply to provide chilled water to the air conditioning equipment and to return the chilled water to the hot water supply. Wherein the cooling water supply part can provide water for flushing the toilet and other cleaning water; the hot water supply part can supply water for a hand washing basin and other washing water.
When the energy consumption of the air-conditioning equipment in the building does not reach the preset value, the situation that fewer people exist in the building or the environmental problem is high is indicated, and hot water supply is not needed. In this state, if the energy consumption of the air conditioning equipment is low, the cooling water is directly supplied to the air conditioning equipment, and the cooling water does not need to flow back to the hot water supply part; since the air conditioning equipment has low energy consumption, the cooling water supply does not cause large energy consumption.
The beneficial effects of this technical scheme lie in:
(1) energy consumption data of each energy consumption device are collected and uploaded to a remote data center server, so that energy consumption in a building is conveniently monitored, and a corresponding energy consumption control scheme is remotely formulated;
(2) when the remote data service center server monitors that the energy consumption data of the air conditioning equipment reaches a preset value, the remote control center switches an energy consumption control strategy; cooling water of air conditioning equipment has been used for hot water supply to make full use of heat energy; under the condition of low environmental temperature, water with certain temperature is supplied to a hand washing sink and the like, so that the use comfort of personnel in a building can be improved.
The first preferred scheme is as follows: as a further optimization of the basic solution, the hot water supply comprises a hot water supply tank and the cold water supply comprises a cold water supply tank; the cold water supply tank is connected with a water source through a first water pump, a water level monitor is arranged in the cold water supply tank, the first water pump is started when the water level in the cold water supply tank reaches a lower limit water level, the first water pump is closed when the water level in the cold water supply tank reaches an upper limit water level after the first water pump is started, and the first water pump is communicated with the cold water supply tank through a first Venturi tube; the air conditioning equipment comprises a cooling water circulating pipe, wherein both ends of the cooling water circulating pipe are communicated with a hot water supply tank, a second water pump is arranged on the cooling water circulating pipe, a cold water supply tank is connected with the cooling water circulating pipe through a water supply pipe, and a water supply valve is arranged on the water supply pipe; the water supply valve comprises a valve seat and a valve core arranged in the valve seat, the water supply valve can conduct or disconnect a water supply pipe through a sliding valve core, two ends of the valve core are respectively provided with a balance spring which is abutted against the valve core, and two end faces of the valve core respectively bear the pressure of an inlet section of the first Venturi tube and the pressure of the throat part of the first Venturi tube.
In the first preferred scheme, in order to ensure that the cold water supply tank has enough water, the water level detector can feed back the water amount in the cold water supply tank in real time; when the water quantity in the cold water supply tank reaches the lower limit water level, the water pump supplies water quantity to the cold water supply tank in time. When the water pump replenishes water into the cold water supply tank, fluid is formed inside the first Venturi tube, so that a pressure difference is formed between an inlet section and a throat part of the first Venturi tube, namely the pressure of the inlet section is greater than that of the throat part; the valve body of the water feed valve is moved by the pressure difference, and thus the water feed pipe communicates the cold water supply tank with the cooling water circulation pipe. Under the action of the second water pump, the cooling water continuously flows in the cooling water circulation pipe and returns to the hot water supply tank, and the higher the flow speed, the lower the pressure, the cold water in the cold water supply tank is sucked into the cooling water circulation pipe, so that the water amount in the hot water supply tank is supplemented.
When cooling water circulates in the cooling water circulation pipe, the water supply pipe supplies water to the hot water supply tank; on the one hand, the hot water supply amount can be ensured, and on the other hand, the temperature of cooling water can be prevented from being too high by supplementing cold water, so that the cooling rate is too low, and the air conditioning equipment is burnt out.
The preferred scheme II is as follows: as a further optimization of the first preferred scheme, the second water pump adopts a variable pump, a first temperature sensor is arranged in the cooling water circulating pipe, and the first temperature sensor and the second water pump are both connected with a temperature controller; the temperature in the cooling water circulating pipe is monitored through the first temperature sensor, and when the temperature in the cooling water circulating pipe is higher, the power of the variable pump is increased, so that the flow speed of cooling water in the cooling water circulating pipe is improved, and the cooling efficiency of the cooling water circulating pipe is increased.
The preferable scheme is three: as a further optimization of the second preferred scheme, an exhaust pipe is arranged at the top of the hot water supply tank and connected with the throat part of the first venturi tube, and the outlet section of the first venturi tube is communicated with the space above the upper limit water level of the cold water supply tank.
In the third preferred scheme, when the water pump replenishes water into the cold water supply tank, the throat part of the Venturi tube can also suck air in the hot water supply tank into the cold water supply tank; in this process, the pressure in the cold water supply tank will be greater than the pressure in the hot water supply tank, thereby further facilitating the cold water supply tank to replenish the cooling water circulation pipe with cold water.
The preferable scheme is four: as a further optimization of the third preferred scheme, a second venturi tube is arranged on the cooling water circulating tube, and the water supply tube is communicated with the throat part of the second venturi tube. Through setting up the second venturi, when the cooling water passes through the second venturi throat, the velocity of flow will accelerate to more be favorable to inhaling the cold water in the cold water supply tank and supply with supplementing the water yield in the hot water supply tank.
The preferable scheme is five: as a further optimization of the fourth preferred embodiment, the energy consumption data acquisition device comprises a power acquisition unit connected with the second water pump, the cold water supply tank and the hot water supply tank can be communicated through a cooling water supplement pipe, one end of the cooling water supplement pipe is communicated with the cold water supply tank, the other end of the cooling water supplement pipe is connected with the throat of the second venturi tube, and an electromagnetic valve is arranged on the cooling water supplement pipe and connected with the remote data center server.
In the preferred scheme five, when the power of the second water pump collected by the power collector reaches the maximum value, the remote data center server opens the control electromagnetic valve, so that the second Venturi tube sucks cold water in the cold water supply tank through the cooling water replenishing tube to reduce the temperature of the water in the hot water supply tank, and the cooling water circulating tube can keep normal cooling efficiency.
The preferable scheme is six: as a further optimization of the fifth preferred scheme, the energy consumption equipment further comprises a fresh air ventilation device, the fresh air ventilation device comprises a fresh air ventilation fan and a fresh air inlet pipe connected with the fresh air ventilation fan, and the fresh air inlet pipe penetrates through the hot water supply tank. Fresh air ventilation equipment will regularly pour into the new trend into to the building into, and the new trend advances the pipe and runs through hot water supply case and can make the new trend preheat before getting into the building to improve the inside comfort level of building.
The preferable scheme is seven: as a further optimization of the sixth preferred scheme, a heat insulation layer is arranged on the periphery of the hot water supply tank; the heat insulation layer has a heat insulation effect on hot water in the hot water supply tank, so that the heat loss efficiency is reduced.
Drawings
FIG. 1 is a schematic view of a water supply apparatus in an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the cooling water supply system comprises a cold water supply tank 10, a water level detector 11, a first water pump 20, a first Venturi tube 21, a hot water supply tank 30, a coil pipe 31, a first temperature sensor 32, a second Venturi tube 33, a cooling supplement pipe 34, an electromagnetic valve 35, a second water pump 36, an exhaust pipe 37, a fresh air inlet pipe 40, a water supply valve 50, a valve seat 51 and a valve core 52.
The public building energy consumption monitoring system consists of a control system and energy consumption equipment, wherein the control system mainly comprises an energy consumption data acquisition device, a data gateway, a local data acquisition and analysis server and a remote data center server.
In this embodiment, the energy consumption data acquisition device is used for acquiring energy consumption data of each energy consumption device; and energy consumption equipment is set in groups, and specifically: the energy consumption equipment is set into the lighting equipment, the water supply equipment and the air conditioning equipment in groups, and the air conditioning equipment is a water-cooled heating air conditioner. The corresponding energy consumption data acquisition device is provided with a first acquisition part, a second acquisition part and a third acquisition part; the first collection portion and the third collection portion are used for collecting the electric energy consumption and the power of the lighting equipment and the air conditioning equipment respectively, and the second collection portion is used for collecting the water supply amount and the flow information of the water supply equipment. The first collecting part and the third collecting part adopt an electric energy meter and a power meter, and the second collecting part adopts a flow meter.
The data gateway is used for receiving the energy consumption data uploaded by the energy consumption data acquisition device and processing the energy consumption data to obtain first data; the local data acquisition and analysis server is used for acquiring first data of a data gateway in the building and analyzing and processing the first data to obtain second data; and the remote data center server is used for acquiring second data of the local data acquisition and analysis server in the building, analyzing the second data and obtaining an energy consumption control strategy according to an analysis result. The data gateway, the local data acquisition and analysis server and the remote data center server all adopt the conventional equipment at present.
As shown in the attached figure 1 of the drawings,
the water supply apparatus includes a cold water supply part and a hot water supply part. Wherein, the cold water supply part comprises a cold water supply tank 10, and the cold water supply tank 10 is connected with a water source through a first water pump 20 to supplement cold water into the cold water supply tank 10. A water level monitor is arranged in the cold water supply tank 10, the water level detector 11 is connected with the first water pump 20 through a microcontroller, the water quantity in the cold water supply tank 10 monitored by the water level detector 11 in real time is fed back to the microcontroller, and the microcontroller controls the start and stop of the first water pump 20 according to the water quantity information. In the present embodiment, the first water pump 20 is a fixed displacement pump; the cold water supply tank 10 is provided with an upper limit water level and a lower limit water level by the water level detector 11, and when the water level in the cold water supply tank 10 reaches the lower limit water level, the microcontroller controls the first water pump 20 to be started to supplement the water amount in the cold water supply tank 10 until the water level in the cold water supply tank 10 reaches the upper limit water level, and then controls the first water pump 20 to be stopped, so that the water level in the cold water supply tank 10 is controlled between the upper limit water level and the lower limit water level.
The first water pump 20 and the cold water supply tank 10 are connected by a first venturi tube 21, an inlet section of the first venturi tube 21 is connected with the first water pump 20, and an outlet section of the first venturi tube 21 communicates with the cold water supply tank 10, and the first venturi tube 21 communicates with a space above an upper limit water level of the cold water supply tank 10.
The hot water supply part includes a hot water supply tank 30 and a cooling water circulation pipe, both ends of which are communicated with the hot water supply tank 30, and both ends of which are connected to opposite sides of the hot water supply tank 30, respectively. The cooling water circulating pipe is provided with a coil 31, and the coil 31 is used for cooling the air conditioning equipment. One end of the cooling water circulating pipe is connected with a second water pump 36, a second Venturi pipe 33 is arranged on the cooling water circulating pipe close to one end of the second water pump 36, the inlet section of the second Venturi pipe 33 is communicated with the second water pump 36, and the outlet section of the second Venturi pipe 33 faces the coil pipe 31. The throat of the second venturi tube 33 is connected to a water supply pipe and a cooling water supplement pipe, both of which are connected to a lower limit water level of the cold water supply tank 10, and the water supply pipe is provided with a water supply valve 50.
As shown in fig. 2, the water supply valve 50 includes a valve seat 51 and a valve core 52 disposed in the valve seat 51, and the valve core 52 can slide in the valve seat 51, and two interface ends are disposed on the valve seat 51, and are respectively communicated with the inlet section and the throat of the first venturi tube 21, so that the pressures of the inlet section and the throat of the first venturi tube 21 respectively act on the end faces of the two ends of the valve core 52; balance springs are provided at both joint ends of the valve seat 51, and the balance springs respectively abut against both end surfaces of the valve element 52. When the pressure difference between both ends of the valve core 52 of the water supply valve 50 reaches a certain value, the valve core 52 slides to conduct the water supply valve 50; when the pressure difference across the valve core 52 is reduced, the valve core 52 will be reset by the balance spring.
A first temperature sensor 32 is provided on the cooling water circulation pipe. As shown in fig. 1, the second water pump 36 is a small variable displacement pump, and the second water pump 36 and the first temperature sensor 32 are connected by a temperature controller. The second water pump 36, the second venturi tube 33, the coil 31 and the first temperature sensor 32 are sequentially arranged along the flow direction of the cooling water; the first temperature sensor 32 monitors the temperature of the cooling water passing through the coil 31 in real time, and the higher the temperature detected by the first temperature sensor 32 is, the higher the temperature controller will control the second water pump 36 to increase power to increase the flow rate in the cooling water circulation pipe.
In addition, the energy consumption data acquisition device further comprises a power collector connected with the second water pump 36, an electromagnetic valve 35 is arranged on the cooling water replenishing pipe, and the electromagnetic valve 35 is connected with the remote data center server, so that the electromagnetic valve 35 can execute an energy consumption control strategy sent by the remote data center server. That is, when the operation power of the second water pump 36 reaches the maximum value, the solenoid valve 35 is opened so that the second venturi tube 33 can suck cold water from the cold water supply tank 10 through the cooling water supplement pipe to lower the temperature of the cooling water in the cooling water circulation pipe.
The top of the hot water supply tank 30 is connected with an exhaust pipe 37, and the exhaust pipe 37 is communicated with the throat part of the first venturi tube 21; when the first water pump 20 replenishes water into the cold water supply tank 10, the first venturi draws air from the upper portion of the hot water supply tank 30 through the exhaust pipe 37, so that the pressure in the hot water supply tank 30 is reduced, thereby facilitating the hot water supply tank 30 to draw cold water into the cold water supply tank 10. When the water level in the hot water supply tank 30 is excessively high, the water in the hot water supply tank 30 may enter the cold water supply tank 10 through the exhaust pipe 37. A pressure balancing port is provided at the top of the cold water supply tank 10 so that the pressure inside the cold water supply tank 10 is equal to the external atmospheric pressure, thereby facilitating the discharge of cold water inside the cold water supply tank 10. And since the exhaust pipe 37 communicates the cold water supply tank 10 with the hot water supply tank 30, it is ensured that the hot water in the hot water supply tank 30 can be discharged.
The energy consumption equipment also comprises fresh air ventilation equipment, the fresh air ventilation equipment comprises a fresh air ventilation fan and a fresh air inlet pipe 40 connected with the fresh air ventilation fan, and the fresh air inlet pipe 40 penetrates through the hot water supply tank 30; and the fresh air inlet pipe 40 is provided with a section of spiral pipe in the hot water supply tank 30 to prolong the time for fresh air to pass through the hot water supply tank 30. Fresh air is injected into the building by the fresh air ventilation equipment regularly, and the fresh air inlet pipe 40 passes through the hot water supply tank 30 to preheat fresh air before entering the building. A heat insulation layer is arranged on the periphery of the hot water supply tank 30 and is made of foam boards; the heat insulation layer has a heat insulation effect on hot water in the hot water supply tank 30.
The specific implementation process is as follows:
energy consumption data, power data and flow data of the lighting equipment, the water supply equipment, the air conditioning equipment and the second water pump 36 are acquired by each energy consumption data acquisition device group; when the running power of the air conditioning equipment reaches the preset value, cooling water of the air conditioning equipment is matched and called through a cold water supply tank and a hot water supply tank; that is, the cooling water of the air conditioning equipment is supplied by the cooling water circulating pipe, and the cooling water circulating pipe is heated by the air conditioning equipment and then returns to the hot water supply tank, so that the hot water with the temperature higher than the ambient temperature is supplied to the equipment such as the hand washing sink, and the like, and the comfort level is improved.
According to the water level condition in the cold water supply tank 10, the first water pump 20 can timely supplement water to the cold water supply tank 10; and the frequency of replenishment of the water supply in the cold water supply tank 10 determines the demand for cold water. The cold water supply tank 10 is mainly used for supplying cold water to toilet flushes, mop sinks, and the like in buildings, and after toilet flushes, mop flushes, and the like are performed, hot water supply is inevitably required for devices such as hand washing sinks and the like. Therefore, the supply amount of the cold water reflects the demand amount of the hot water to a certain extent, and the hot water is supplied to the hot water supply tank 30 through the water supply pipe while the cold water is supplied, so that the hot water supply can be ensured, and the temperature of the hot water is not too high, which leads to ineffective heat dissipation. And the tank hot water supply tank 30 is replenished with cold water when the first water pump 20 is turned on, and the water is replenished into the hot water supply tank 30 by a pressure difference formed by the flowing, so that the energy consumption of the operation of the equipment can be reduced.
In this case, cold water is supplied into the hot water supply tank 30 through the cold water supply pipe, so that the air conditioning apparatus can be normally cooled. In the present embodiment, when the temperature fed back by the first temperature sensor 32 reaches 20 ℃, the operation power of the second water pump 36 reaches the maximum. When the amount of water in the hot water supply tank 30 is greater than the maximum amount of water, the hot water in the hot water supply tank 30 flows back to the cold water supply tank 10 through the exhaust pipe 37, so that the normal heat dissipation of the air conditioner is ensured by the cooperation of the hot water supply tank 30 and the cold water supply tank 10.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. The public building energy consumption monitoring system comprises an energy consumption data acquisition device, an energy consumption monitoring device and an energy consumption monitoring device, wherein the energy consumption data acquisition device is used for acquiring energy consumption data of each energy consumption device;
the data gateway is used for receiving the energy consumption data uploaded by the energy consumption data acquisition device and processing the energy consumption data to obtain first data;
the local data acquisition and analysis server is used for acquiring first data of a data gateway in the building and analyzing and processing the first data to obtain second data;
the remote data center server is used for acquiring second data of local data acquisition and analysis service in the building, analyzing the second data and obtaining an energy consumption control strategy according to an analysis result;
the method is characterized in that: the energy consumption equipment comprises lighting equipment, water supply equipment and air conditioning equipment; the energy consumption data acquisition device comprises a first acquisition part, a second acquisition part and a third acquisition part, wherein the first acquisition part is used for acquiring energy consumption data of the lighting equipment, the second acquisition part is used for acquiring water consumption of the water supply equipment, and the third acquisition part is used for acquiring energy consumption data of the air conditioning equipment;
the water supply equipment comprises a cold water supply part and a hot water supply part, and after the energy consumption data of the air conditioning equipment reaches a preset value, the cold water supply part supplies cooling water to the air conditioning equipment and guides the cooling water to the hot water supply part;
the hot water supply part includes a hot water supply tank, and the cold water supply part includes a cold water supply tank; the cold water supply tank is connected with a water source through a first water pump, a water level monitor is arranged in the cold water supply tank, the first water pump is started when the water level in the cold water supply tank reaches a lower limit water level, the first water pump is closed when the water level in the cold water supply tank reaches an upper limit water level after the first water pump is started, and the first water pump is communicated with the cold water supply tank through a first Venturi tube; the air conditioning equipment comprises a cooling water circulating pipe, wherein both ends of the cooling water circulating pipe are communicated with a hot water supply tank, a second water pump is arranged on the cooling water circulating pipe, a cold water supply tank is connected with the cooling water circulating pipe through a water supply pipe, and a water supply valve is arranged on the water supply pipe; the water supply valve comprises a valve seat and a valve core arranged in the valve seat, the water supply valve can conduct or disconnect a water supply pipe through a sliding valve core, two ends of the valve core are respectively provided with a balance spring which is abutted against the valve core, and two end faces of the valve core respectively bear the pressure of an inlet section of the first Venturi tube and the pressure of the throat part of the first Venturi tube;
the second water pump adopts a variable pump, a first temperature sensor is arranged in the cooling water circulating pipe, and the first temperature sensor and the second water pump are both connected with a temperature controller.
2. The utility building energy consumption monitoring system of claim 1, wherein: the top of the hot water supply tank is provided with an exhaust pipe, the exhaust pipe is connected with the throat part of the first Venturi tube, and the outlet section of the first Venturi tube is communicated with the space above the upper limit water level of the cold water supply tank.
3. The utility building energy consumption monitoring system of claim 2, wherein: and a second Venturi tube is arranged on the cooling water circulating tube, and the water supply tube is communicated with the throat part of the second Venturi tube.
4. Public building energy consumption monitoring system according to claim 3, characterized in that: the energy consumption data acquisition device comprises a power collector connected with the second water pump, the cold water supply tank and the hot water supply tank can be communicated through a cooling water supplement pipe, one end of the cooling water supplement pipe is communicated with the cold water supply tank, the other end of the cooling water supplement pipe is connected with the throat part of the second Venturi tube, an electromagnetic valve is arranged on the cooling water supplement pipe, and the electromagnetic valve is connected with a remote data center server.
5. Public building energy consumption monitoring system according to claim 4, characterized in that: the energy consumption equipment further comprises a fresh air ventilation device, the fresh air ventilation device comprises a fresh air ventilation fan and a fresh air inlet pipe connected with the fresh air ventilation fan, and the fresh air inlet pipe penetrates through the hot water supply box.
6. Public building energy consumption monitoring system according to claim 5, characterized in that: and a heat insulation layer is arranged on the periphery of the hot water supply tank.
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| CN106768044A (en) * | 2016-12-21 | 2017-05-31 | 潘小胜 | A kind of building energy consumption detection method |
| CN108427365A (en) * | 2018-02-09 | 2018-08-21 | 浙江力德节能科技有限公司 | A kind of wisdom energy management system based on cloud platform |
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| CN111060156A (en) | 2020-04-24 |
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