CN106016623B - Building air conditioner water wireless network distribution self-discipline intelligent power-saving controller and control method - Google Patents
Building air conditioner water wireless network distribution self-discipline intelligent power-saving controller and control method Download PDFInfo
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- CN106016623B CN106016623B CN201610447197.2A CN201610447197A CN106016623B CN 106016623 B CN106016623 B CN 106016623B CN 201610447197 A CN201610447197 A CN 201610447197A CN 106016623 B CN106016623 B CN 106016623B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Abstract
The invention relates to a building air conditioning water wireless network distribution self-discipline intelligent power-saving controller and a control method. The technical problem that an existing air conditioner water controller is poor in stability is solved. The water pump type water supply device comprises a controller cabinet body, a water supply pipe, a water return pipe, a corrugated pipe temperature difference pressure difference control valve, a water pump, an annular water supply pipe side corrugated pipe, an annular water return pipe side corrugated pipe, a main water path valve, a main water path adjusting mechanism, a bypass pipe valve and a bypass adjusting structure, wherein the main water path valve and the bypass pipe valve are connected with the water pump through a water pump control mechanism. Has the advantages that: 1. the control equipment can be flexibly installed at the rear part of the water distribution box or at the tail end of the coil pipe loop, and the water supply requirement of each path is accurately controlled. 2. And a large amount of automatic control requirements are not needed, all the control can be manually controlled on site, and the maintenance is convenient. 3. The equipment is small in size and convenient to install, old equipment can be installed under the condition of not stopping the machine, and the old equipment can also be added into a new engineering system at any time.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to a building air conditioning water wireless network distribution self-discipline intelligent power-saving controller and a control method.
Background
Along with the development of economy, the proportion of building energy consumption in the total energy consumption of the whole society is higher and reaches about 30%, and the energy consumption of the central air conditioner accounts for about 40% -50% in the whole building energy consumption, so that the energy-saving technology of the central air conditioning system is developed, huge energy-saving benefits can be brought, and the goals of energy conservation and emission reduction can be realized.
At present, water supply and return of a central air conditioner is only provided through a machine room host and a water pump linkage system, due to the fact that service conditions and personnel conditions of all rooms are different, heat exchange at the tail end of circulating water is not uniform, when the heat exchange quantity at the tail end of part of rooms is large, the machine room host and the water pump need to be kept running under high power to meet requirements, meanwhile, water supply of other rooms is excessive, and a large amount of energy is wasted in vain.
Various solutions exist to address the problems of the prior art. For example, chinese patent literature discloses an adaptive energy-saving control apparatus for a water-cooled central air-conditioning water pump [ publication No.: CN204227635U ], although the excess power is reduced by the linkage of the monitoring device, the function of the terminal water heat exchange capability is not large, and the electrical control system of the device is too much, and the control process is complex.
Disclosure of Invention
The invention aims to solve the problems and provides the building air conditioning water wireless network distribution self-discipline intelligent electricity-saving controller which is simple and reasonable in structure and can accurately control the stability of the water flow condition at the tail end of an air conditioning coil.
The invention also aims to solve the problems and provide a method for automatically and intelligently controlling the electricity-saving distribution of the building air conditioning water wireless network, which is convenient to operate and high in automation degree.
In order to achieve the purpose, the invention adopts the following technical scheme: the wireless network distribution self-discipline intelligent electricity-saving controller for building air conditioner water comprises a controller cabinet body and is characterized in that a water supply pipe and a water return pipe which are arranged correspondingly are arranged in the controller cabinet body in a penetrating way, a corrugated pipe temperature difference pressure difference control valve and a water pump are sequentially arranged on the water supply pipe, the corrugated pipe temperature difference pressure difference control valve is simultaneously connected with the water return pipe, the corrugated pipe temperature difference pressure difference control valve comprises a ring-shaped water supply pipe side corrugated pipe and a ring-shaped water return pipe side corrugated pipe which are arranged between the water supply pipe and the water return pipe and are respectively filled with sensitive temperature-changing liquid, a main water path valve is arranged on the water supply pipe, the main water path valve is connected with a main water path adjusting mechanism which can control the main water path valve to adjust the water output of the water supply pipe according to the pressure difference between the water supply pipe and the water return pipe, and a bypass pipe is arranged on the ring-shaped water supply pipe side corrugated pipe and the ring-shaped water return pipe side corrugated pipe, and a bypass valve is arranged in the bypass pipe, the bypass valve is connected with a bypass adjusting structure which can displace according to the pressure difference change between the water supply pipe and the water return pipe so as to automatically adjust the pressure difference at two sides of the water supply pipe and the water return pipe, and the main water path valve and the bypass valve are connected with a water pump through a water pump control mechanism.
In the above-mentioned wireless network distribution autonomous intelligent power-saving controller for building air-conditioning water, the main water path adjusting mechanism includes annular heat-insulating action plates respectively arranged in the side corrugated pipe of the annular water supply pipe and the side corrugated pipe of the annular water return pipe, and the annular heat-insulating action plates are connected with the winter-summer converter of the annular corrugated pipe filled with the temperature sensitive liquid, the winter-summer converter of the annular corrugated pipe is connected with the main water path valve adjusting mechanism, and the main water path valve is connected with the main water path valve adjusting mechanism.
In the building air-conditioning water wireless network distribution autonomous intelligent power-saving controller, the bypass adjusting structure comprises a fixing device fixedly arranged in the bypass pipe, a spring is arranged on the fixing device, one end of the spring is connected with the bypass pipe valve, and the other end of the spring is arranged on the fixing device.
In the wireless network distribution autonomous intelligent power-saving controller for building air conditioner water, the water supply pipe and the water return pipe are arranged in parallel.
In the building air conditioning water wireless network distribution autonomous intelligent power-saving controller, the water pump control mechanism comprises a water pump control switch which is linked with the main water path valve and the bypass pipe valve respectively, and the water pump control switch is linked with the water pump.
The control method of the building air conditioning water wireless network distribution self-discipline intelligent power-saving controller is as follows: the building air conditioning water wireless network distribution self-discipline intelligent power-saving control method comprises the following steps:
the annular water supply pipe side corrugated pipe of the corrugated pipe temperature difference pressure difference control valve converts water temperature of a water supply pipe into pressure, the annular water return pipe side corrugated pipe converts water temperature of a water return pipe into pressure, the main water path adjusting mechanism drives the main water path valve to control water flow of the water supply pipe through pressure difference between the main water path adjusting mechanism and the water return pipe, the bypass adjusting mechanism adjusts the action of a bypass pipe valve through pressure difference change between the water supply pipe and the water return pipe so as to automatically adjust pressure difference between two sides of the water supply pipe and the water return pipe, when the temperature difference reaches a set maximum value or the pressure difference reaches the set maximum value, the water pump control mechanism linked with the main water path valve and the bypass pipe valve is communicated, and the water pump is automatically opened to ensure that an air conditioner in an extreme condition normally operates.
In the above-mentioned wireless network distribution autonomous intelligent power-saving control method for building air-conditioning water, the main water path adjusting mechanism includes ring-shaped heat-insulating action plates respectively arranged in the side corrugated pipe of the ring-shaped water supply pipe and the side corrugated pipe of the ring-shaped water return pipe, and the ring-shaped heat-insulating action plates are connected with a winter-summer converter of the ring-shaped corrugated pipe filled with sensitive temperature-changing liquid, the winter-summer converter of the ring-shaped corrugated pipe is connected with the main water path valve adjusting mechanism, and the main water path valve is connected with the main water path valve adjusting mechanism.
In the above-mentioned wireless network distribution autonomous intelligent power-saving control method for building air-conditioning water, the water flow adjustment of the main water path valve comprises the following steps: the annular heat insulation action plate is displaced through the pressure difference between the water supply pipe and the water return pipe, the main water path valve adjusting mechanism is linked to drive the main water path valve to control the water flow of the water supply pipe, and the annular corrugated pipe winter-summer converter automatically converts the winter-summer mode through the temperature transmitted by the annular water supply pipe side corrugated pipe and the annular water return pipe side corrugated pipe.
In the above-mentioned building air-conditioning water wireless network distribution autonomous intelligent power-saving control method, the bypass adjusting structure comprises a fixing device fixedly arranged in the bypass pipe, and the fixing device is provided with a spring, and one end of the spring is connected with the bypass pipe valve, and the other end is arranged on the fixing device.
In the above-mentioned wireless network distribution autonomous intelligent power-saving control method for building air-conditioning water, the water pump control mechanism comprises a water pump control switch linked with the main water path valve and the bypass pipe valve respectively, and the water pump control switch is linked with the water pump.
Compared with the prior art, the building air conditioning water wireless network distribution self-discipline intelligent power-saving controller and the control method have the advantages that: 1. the control equipment can be flexibly installed at the rear part of the water distribution box or at the tail end of the coil pipe loop, and the water supply requirement of each path is accurately controlled. 2. And a large amount of automatic control requirements are not needed, all the control can be manually controlled on site, and the maintenance is convenient. 3. The equipment is small in size and convenient to install, old equipment can be installed under the condition of not stopping the machine, and the old equipment can also be added into a new engineering system at any time.
Drawings
Fig. 1 is a schematic structural diagram provided by the present invention.
In the figure, a controller cabinet 1, a water supply pipe 2, a water return pipe 3, a corrugated pipe temperature difference pressure difference control valve 4, a ring-shaped water supply pipe side corrugated pipe 5, a ring-shaped water return pipe side corrugated pipe 6, a ring-shaped heat insulation action plate 7, a ring-shaped corrugated pipe winter and summer converter 8, a main water path valve adjusting mechanism 9, a main water path valve 10, a bypass pipe valve 11, a spring 12, a fixing device 13, a bypass pipe 14, a water pump control switch 15 and a water pump 16.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the building air-conditioning water wireless network distribution self-discipline intelligent power-saving controller comprises a controller cabinet body 1, a water supply pipe 2 and a water return pipe 3 which are correspondingly arranged are arranged in the controller cabinet body 1 in a penetrating way, the water supply pipe 2 and the water return pipe 3 are arranged in parallel, a corrugated pipe temperature difference pressure control valve 4 and a water pump 16 are sequentially arranged on the water supply pipe 2, the corrugated pipe temperature difference pressure control valve 4 is simultaneously connected with the water return pipe 3, the corrugated pipe temperature difference pressure control valve 4 comprises a water supply annular pipe side corrugated pipe 5 and an annular water return pipe side corrugated pipe 6 which are arranged between the water supply pipe 2 and the water return pipe 3 and are respectively provided with sensitive temperature change liquid, a main water path valve 10 is arranged on the water supply pipe 2, the main water path valve 10 is connected with a main water path adjusting mechanism which can control the main water path valve 10 to adjust the water output of the water supply pipe 2 according to the pressure difference between the water supply pipe 2 and the water return pipe 3, a bypass pipe 14 is arranged on the annular water supply pipe side corrugated pipe 5 and the annular water return pipe side corrugated pipe 6, and a bypass pipe valve 11 is arranged in the bypass pipe 14, the bypass pipe valve 11 is connected with a bypass adjusting structure which can displace according to the pressure difference change between the water supply pipe 2 and the water return pipe 3 so as to automatically adjust the pressure difference at two sides of the water supply pipe 2 and the water return pipe 3, and the main water path valve 10 and the bypass pipe valve 11 are connected with a water pump 16 through a water pump control mechanism.
Specifically, the main waterway regulating mechanism comprises a ring-shaped heat insulation action plate 7 respectively arranged in a ring-shaped water supply pipe side corrugated pipe 5 and a ring-shaped water return pipe side corrugated pipe 6, the ring-shaped heat insulation action plate 7 is connected with a ring-shaped corrugated pipe winter-summer converter 8 filled with sensitive temperature change liquid, the ring-shaped corrugated pipe winter-summer converter 8 is connected with a main waterway valve regulating mechanism 9, and a main waterway valve 10 is connected with the main waterway valve regulating mechanism 9. The bypass adjusting structure comprises a fixing device 13 fixedly arranged in a bypass pipe 14, a spring 12 is arranged on the fixing device 13, one end of the spring 12 is connected with a bypass pipe valve 11, the other end of the spring 12 is arranged on the fixing device 13, the water pump control mechanism comprises a water pump control switch 15 which is respectively linked with a main water path valve 10 and the bypass pipe valve 11, and the water pump control switch 15 is linked with a water pump 16.
The control method of the wireless network distribution self-discipline intelligent electricity-saving controller for the building air conditioning water comprises the following steps: the annular water supply pipe side corrugated pipe 5 of the corrugated pipe temperature difference pressure difference control valve 4 converts water temperature of a water supply pipe 2 into pressure, an annular water return pipe side corrugated pipe 6 converts water temperature of a water return pipe 3 into pressure, a main water path adjusting mechanism drives a main water path valve 10 to control water flow of the water supply pipe 2 through pressure difference between the main water path adjusting mechanism and the water return pipe 3, a bypass adjusting structure adjusts the action of a bypass valve 11 through pressure difference change between the water supply pipe 2 and the water return pipe 3, so that pressure difference between the two sides of the water supply pipe 2 and the two sides of the water return pipe 3 is automatically adjusted, when the temperature difference reaches a set maximum value or the pressure difference reaches the set maximum value, a water pump control mechanism linked with the main water path valve 10 and the bypass valve 11 is communicated, and a water pump 16 is automatically opened to ensure that an air conditioner in an extreme condition normally operates.
Specifically, the main water path adjusting mechanism herein includes a ring-shaped heat insulation action plate 7 respectively disposed in a ring-shaped water supply pipe side corrugated pipe 5 and a ring-shaped water return pipe side corrugated pipe 6, and the ring-shaped heat insulation action plate 7 is connected with a ring-shaped corrugated pipe winter-summer converter 8 filled with a temperature sensitive liquid, the ring-shaped corrugated pipe winter-summer converter 8 is connected with a main water path valve adjusting mechanism 9, and a main water path valve 10 is connected with the main water path valve adjusting mechanism 9, wherein the water flow adjustment of the main water path valve 10 herein specifically includes: the annular heat insulation action plate 7 is displaced by pressure difference between the water supply pipe 2 and the water return pipe 3, the linkage main water path valve adjusting mechanism 9 drives the main water path valve 10 to control the water flow of the water supply pipe 2, the annular corrugated pipe winter and summer converter 8 automatically converts the winter and summer modes by the temperature transmitted by the annular water supply pipe side corrugated pipe 5 and the annular water return pipe side corrugated pipe 6, the bypass adjusting mechanism comprises a fixing device 13 fixedly arranged in a bypass pipe 14, a spring 12 is arranged on the fixing device 13, one end of the spring 12 is connected with the bypass pipe valve 11, the other end of the spring is arranged on the fixing device 13, the water pump control mechanism comprises a water pump control switch 15 respectively linked with the main water path valve 10 and the bypass pipe valve 11, and the water pump control switch 15 is linked with a water pump 16.
As an embodiment, the building air-conditioning water wireless network distribution automatic intelligent electricity-saving controller is arranged on the front side of a room terminal air-conditioning coil, the summer temperature difference is set to be 10 ℃, the winter temperature difference is set to be 10 ℃, the annular corrugated pipe winter-summer converter is set to be more than 25 ℃ and switched to be in a winter mode, the temperature of the annular corrugated pipe summer-summer converter is set to be less than 25 ℃ and switched to be in a summer mode, the control flow of a main water circuit valve is improved along with the increase of the temperature difference, the temperature difference is reduced, a bypass pipe valve is opened along with the increase of pressure, the pressure is reduced and closed, when the temperature difference is more than 10 ℃, the water pump is automatically started to provide extra power for a main water pump, when the pressure difference is more than 0.3MPa, the terminal circulation is formed through a bypass valve, and the working effect of an air conditioner is ensured.
| Water condition of air conditioner | (Summer) | Winter |
| Water supply | ||
| 7℃ | 42℃ | |
| Return water | 17℃ | 32℃ |
| Minimum pressure difference | 0.1MPa | 0.1MPa |
| Maximum pressure difference | 0.3MPa | 0.3MPa |
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although terms such as the controller cabinet 1, the water supply pipe 2, the return pipe 3, the bellows differential temperature pressure control valve 4, the ring-shaped water supply pipe side bellows 5, the ring-shaped return pipe side bellows 6, the ring-shaped heat insulation operation plate 7, the ring-shaped bellows winter and summer heat converter 8, the main water path valve adjusting mechanism 9, the main water path valve 10, the bypass pipe valve 11, the spring 12, the fixing device 13, the bypass pipe 14, the water pump control switch 15, the water pump 16, etc., are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. The utility model provides a building air conditioner water wireless network distributes autonomic intelligence electricity-saving control ware, includes controller cabinet body (1), its characterized in that, controller cabinet body (1) in wear to be equipped with delivery pipe (2) and wet return (3) that set up each other correspondingly, delivery pipe (2) on install bellows temperature difference pressure control valve (4) and water pump (16) in proper order, bellows temperature difference pressure control valve (4) link to each other with wet return (3) simultaneously, and bellows temperature difference pressure control valve (4) including set up between delivery pipe (2) and wet return (3) and all be equipped with sensitive temperature change liquid ring type delivery pipe lateral corrugated pipe (5) and ring type wet return lateral corrugated pipe (6), delivery pipe (2) on be equipped with main water route valve delivery pipe (10), main water route valve (10) be connected with and can be according to the pressure difference of delivery pipe (2) and wet return (3) control water route valve (10) and adjust delivery pipe (2) The water outlet amount of the water pump is controlled by a main water path adjusting mechanism, a bypass pipe (14) is arranged on the annular water supply pipe side corrugated pipe (5) and the annular water return pipe side corrugated pipe (6), a bypass pipe valve (11) is arranged in the bypass pipe (14), the bypass pipe valve (11) is connected with a bypass adjusting structure which can displace according to the pressure difference change between the water supply pipe (2) and the water return pipe (3) so as to automatically adjust the pressure difference between the two sides of the water supply pipe (2) and the water return pipe (3), and the main water path valve (10) and the bypass pipe valve (11) are connected with the water pump (16) through a water pump control mechanism; the main water path adjusting mechanism comprises annular heat-insulating action plates (7) which are respectively arranged in an annular water supply pipe side corrugated pipe (5) and an annular water return pipe side corrugated pipe (6), the annular heat-insulating action plates (7) are connected with an annular corrugated pipe winter-summer converter (8) filled with sensitive temperature-variable liquid, the annular corrugated pipe winter-summer converter (8) is connected with a main water path valve adjusting mechanism (9), and a main water path valve (10) is connected with the main water path valve adjusting mechanism (9); the bypass adjusting structure comprises a fixing device (13) fixedly arranged in a bypass pipe (14), a spring (12) is arranged on the fixing device (13), one end of the spring (12) is connected with a bypass pipe valve (11), and the other end of the spring is arranged on the fixing device (13).
2. The building air conditioning water wireless network distribution autonomous intelligent power-saving controller according to claim 1, characterized in that the water supply pipe (2) and the water return pipe (3) are arranged in parallel with each other.
3. The building air-conditioning water wireless network distribution autonomous intelligent power-saving controller according to claim 2, characterized in that the water pump control mechanism comprises a water pump control switch (15) which is linked with the main water path valve (10) and the bypass pipe valve (11) respectively, and the water pump control switch (15) is linked with the water pump (16).
4. A building air-conditioning water wireless network distribution self-disciplined intelligent power-saving control method of the building air-conditioning water wireless network distribution self-disciplined intelligent power-saving controller according to any one of claims 1 to 3, characterized by comprising the following steps:
the water supply pipe (2) is converted into pressure through the annular water supply pipe side corrugated pipe (5) of the corrugated pipe temperature difference pressure control valve (4), the water return pipe (3) is converted into pressure through the annular water return pipe side corrugated pipe (6), the main water path adjusting mechanism drives the main water path valve (10) to control the water flow of the water supply pipe (2) through the pressure difference between the annular water return pipe side corrugated pipe (6) and the water return pipe (3), the bypass pipe valve (11) is adjusted to move through the pressure difference between the water supply pipe (2) and the water return pipe (3) through the bypass adjusting mechanism, so that the pressure difference between the two sides of the water supply pipe (2) and the water return pipe (3) is automatically adjusted, when the temperature difference reaches a set maximum value or the pressure difference reaches the set maximum value, the water pump control mechanism linked with the main water path valve (10) and the bypass pipe valve (11) is communicated, and the water pump (16) is automatically opened to ensure that the air conditioner in an extreme condition normally operates.
5. The building air conditioning water wireless network distribution autonomous intelligent power-saving control method according to claim 4, characterized in that the main water path adjusting mechanism comprises a ring-shaped heat-insulating action plate (7) respectively arranged in a ring-shaped water supply pipe side corrugated pipe (5) and a ring-shaped water return pipe side corrugated pipe (6), the ring-shaped heat-insulating action plate (7) is connected with a ring-shaped corrugated pipe winter-summer converter (8) filled with sensitive temperature-changing liquid, the ring-shaped corrugated pipe winter-summer converter (8) is connected with a main water path valve adjusting mechanism (9), and a main water path valve (10) is connected with the main water path valve adjusting mechanism (9).
6. The building air-conditioning water wireless network distribution autonomous intelligent power-saving control method as claimed in claim 5, wherein the water flow adjustment specific steps of the main water way valve (10) comprise: the annular heat insulation action plate (7) is displaced through the pressure difference between the water supply pipe (2) and the water return pipe (3), the main water path valve adjusting mechanism (9) is linked to drive the main water path valve (10) to control the water flow of the water supply pipe (2), and the annular corrugated pipe winter-summer mode converter (8) automatically converts the winter-summer mode through the temperature transmitted by the annular water supply pipe side corrugated pipe (5) and the annular water return pipe side corrugated pipe (6).
7. The building air-conditioning water wireless network distribution autonomous intelligent power-saving control method as claimed in claim 4, characterized in that the bypass adjusting structure comprises a fixing device (13) fixedly arranged in a bypass pipe (14), the fixing device (13) is provided with a spring (12), one end of the spring (12) is connected with the bypass pipe valve (11), and the other end is arranged on the fixing device (13).
8. The building air-conditioning water wireless network distribution autonomous intelligent power-saving control method as claimed in claim 4, characterized in that the water pump control mechanism comprises a water pump control switch (15) linked with the main water path valve (10) and the bypass pipe valve (11), respectively, and the water pump control switch (15) is linked with the water pump (16).
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| CN204008175U (en) * | 2014-08-06 | 2014-12-10 | 天津航天瑞莱科技有限公司 | A kind of refrigeration for pipeline structure environmental simulation and pressure charging system |
| CN204227635U (en) * | 2014-09-21 | 2015-03-25 | 胡忠梁 | A kind of water cooled central air conditioner water pump adaptive power conservation control appliance |
| CN204345806U (en) * | 2014-12-03 | 2015-05-20 | 奥意建筑工程设计有限公司 | Air conditioner water coil pipe frost crack proof device |
| CN204404420U (en) * | 2014-12-16 | 2015-06-17 | 杭州哲达科技股份有限公司 | A kind of hot and cold water transmission & distribution supercharging cabinet based on efficiency optimal control |
| CN204404398U (en) * | 2014-12-16 | 2015-06-17 | 杭州哲达科技股份有限公司 | A kind of hot and cold water transmission & distribution balancing tank |
| CN205897447U (en) * | 2016-06-18 | 2017-01-18 | 杭州滨创能源科技有限公司 | Intelligent power -saving control ware of building air conditioner water wireless network distribution self -discipline |
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2016
- 2016-06-18 CN CN201610447197.2A patent/CN106016623B/en active Active
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