CN204923329U - Central air conditioning new trend control system based on pyxos bus - Google Patents
Central air conditioning new trend control system based on pyxos bus Download PDFInfo
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- CN204923329U CN204923329U CN201520430010.9U CN201520430010U CN204923329U CN 204923329 U CN204923329 U CN 204923329U CN 201520430010 U CN201520430010 U CN 201520430010U CN 204923329 U CN204923329 U CN 204923329U
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Abstract
The utility model provides a central air conditioning new trend control system based on pyxos bus, include DDC controller, new trend temperature and humidity sensor, new blast gate executor, filter screen differential pressure sensor, the executor is adjusted to the water valve, alarm switch prevents frostbite, air supply temperature and humidity sensor DDC extension IO module, through the pyxos field bus communication interface that increase on DDC controller and each corresponding sensor and executor has link power supply function, make and connect through the nonpolarity paired line of 2 cores between DDC controller sensor corresponding with each and executor, through field bus communication function, realize that DDC is to the signal input collection of each sensor and the output control function of each executor. Like this greatly reduced the complexity of site operation wiring.
Description
Technical field
The utility model relates to air conditioning and heats, freezes and new wind-heat exchange control field, particularly a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus.
Background technology
At present, central air-conditioning new wind intelligent control system is all made up of field programmable logic controller (DDC), corresponding sensor and actuator equipment.DDC has multiple analog quantity and digital quantity input and output port, and input port accesses the output signal of each respective sensor, and output port accesses to the control inputs signal of each respective actuators, thus forms the intelligence control system of complete set.Because sensor and actuator equipment mainly comprise: new wind and air-supply Temperature Humidity Sensor, fan valve executor, water valve actuator, blower fan screen net pressure difference switch, the antifreeze alarm switch of coil pipe, pressure fan automatic control cabinet.So field apparatus is of a great variety, cause holding wire quantity many, the signal type accessed on DDC port is mixed, and causes site operation to install very complicated.
PyxosFT (free topology) platform is the latest generation embedded Control network platform of U.S. Ai Shilang (Echlon) company, utilizes PyxosFT platform can develop and the smart machine of distance sensor, the mutual communication of actuator and controller.PyxosFT platform can be can be used as a kind of low cost, high performance sensor and actuator I/O bus by user, thus any one control system or net control are extended to more extensive, more kinds of various sensor and actuator field.Utilize PyxosFT platform can replace the route solution of existing wire laying mode or more safety, these needs a pair twisted-pair feeder just can realize.Embedded Control network based on PyxosFT platform can reduce product to be installed, safeguards and total life cycle cost.
PyxosFT chip is the components and parts of simple, a small-sized and low cost, for the exploitation of PyxosFT embedded Control network application.In PyxosFT network, PyxosFT chip not only plays the role of the transceiver of management communication, also embedded in the communications protocol based on PyxosFT platform.
Utility model content
In view of this, the utility model provides a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus, comprises, for the DDC controller that the system core controls, for gathering the new wind-warm syndrome humidity sensor of central air-conditioning new wind-warm syndrome humidity parameter; For controlling the new fan valve executor of the opening and closing of the new air-valve of central air-conditioning Fresh air handling units; For monitoring the filter screen differential pressure pickup of the pressure differential of central air-conditioning Fresh air handling units new wind filter screen both sides; For the water valve adjusting actuator of the aperture of regulable control central air-conditioning Fresh air handling units Cold-hot water valve; For monitoring the antifreeze alarm switch of the antifreeze signal of coil pipe in central air-conditioning Fresh air handling units; For gathering the air-supply Temperature Humidity Sensor of central air-conditioning air-supply humiture parameter;
The DDC expansion I/O module of the start and stop of pressure fan is inputted and controls for 6 way switch amount inputs and No. 2 relays output controls, the fault of monitoring pressure fan, alarm condition signal; Described DDC controller adopts the DDC controller based on Pyxos on-scene communication EBI; Described new wind-warm syndrome humidity sensor, new fan valve executor, filter screen differential pressure pickup, water valve adjusting actuator and air-supply Temperature Humidity Sensor adopt respectively based on the corresponding sensor of Pyxos on-scene communication EBI and actuator.By increasing the Pyxos field bus communication interface with link function of supplying power on DDC controller and each corresponding sensor and actuator, make DDC controller and between each corresponding sensor and actuator by the nonpolarity twisted pair line connection of 2 core, by field bus communication function, realize the signal input collection of DDC to each sensor and the output control function of each actuator.Greatly reduce the complexity of site operation wiring like this.
The utility model is solved the problem by following technological means:
A kind of central air-conditioning Xingfeng capsule system based on Pyxos bus of the present utility model, comprises, for the DDC controller that the system core controls, for gathering the new wind-warm syndrome humidity sensor of central air-conditioning new wind-warm syndrome humidity parameter; For controlling the new fan valve executor of the opening and closing of the new air-valve of central air-conditioning Fresh air handling units; For monitoring the filter screen differential pressure pickup of the pressure differential of central air-conditioning Fresh air handling units new wind filter screen both sides; For the water valve adjusting actuator of the aperture of regulable control central air-conditioning Fresh air handling units Cold-hot water valve; For monitoring the antifreeze alarm switch of the antifreeze signal of coil pipe in central air-conditioning Fresh air handling units; For gathering the air-supply Temperature Humidity Sensor of central air-conditioning air-supply humiture parameter;
The DDC expansion I/O module of the start and stop of pressure fan is inputted and controls for 6 way switch amount inputs and No. 2 relays output controls, the fault of monitoring pressure fan, alarm condition signal; Described DDC controller adopts the DDC controller based on Pyxos on-scene communication EBI; Described new wind-warm syndrome humidity sensor, new fan valve executor, filter screen differential pressure pickup, water valve adjusting actuator and air-supply Temperature Humidity Sensor adopt respectively based on the corresponding sensor of Pyxos on-scene communication EBI and actuator.
Described Pyxos on-scene communication bus transmits 24VAC/DC power supply and data-signal on a pair 2 core twisted-pair feeders simultaneously, and described Pyxos on-scene communication bus links is nonpolarity.
The power supply of described new wind-warm syndrome humidity sensor, new fan valve executor, filter screen differential pressure pickup, water valve adjusting actuator and air-supply Temperature Humidity Sensor is obtained by Pyxos on-scene communication bus links.
The data that described DDC expands I/O module, new wind-warm syndrome humidity sensor, new fan valve executor, filter screen differential pressure pickup, water valve adjusting actuator and air-supply Temperature Humidity Sensor all transfer to DDC controller by Pyxos fieldbus.
Described new wind-warm syndrome humidity sensor, new fan valve executor, filter screen differential pressure pickup, water valve adjusting actuator, air-supply Temperature Humidity Sensor and DDC controller all have power supply coupling isolated location; Described power supply coupling isolated location is used for the 24VDC/AC power supply signal in the nonpolarity multiple twin communication line of 2 core to be separated, and is supplied to the systemic-function circuit of respective equipment.
Described DDC controller is communicated with new wind-warm syndrome humidity sensor by Pyxos fieldbus, obtains new wind and the warm and humid angle value of air-supply, and compares with the temperature value that DDC sets, and after PID arithmetic, exports controlling value to water valve adjusting actuator by Pyxos fieldbus.
Described DDC controller is expanded I/O module by Pyxos fieldbus with DDC and is communicated, and obtains the monitoring state of pressure fan, and controls the start and stop of pressure fan according to the control logic of setting and carry out alarm signal transmission.
Described filter screen differential pressure pickup, antifreeze alarm switch are all communicated with DDC controller by Pyxos bus, and the control logic according to setting carries out corresponding alarm signal process.
Of the present utility model. a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus has following beneficial effect:
By increasing the Pyxos field bus communication interface with link function of supplying power on DDC controller and each corresponding sensor and actuator, make DDC controller and between each corresponding sensor and actuator by the nonpolarity twisted pair line connection of 2 core, by field bus communication function, realize the signal input collection of DDC to each sensor and the output control function of each actuator.Greatly reduce the complexity of site operation wiring like this.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is structural representation of the present utility model.
Wherein, 1, DDC controller; 2, new wind-warm syndrome humidity sensor; 3, new fan valve executor; 4, filter screen differential pressure pickup; 5, water valve adjusting actuator; 6, antifreeze alarm switch; 7, DDC expands I/O module; 8, air-supply Temperature Humidity Sensor.
Detailed description of the invention
Below with reference to accompanying drawing, the utility model is described in detail, as shown in Figure 1: a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus of the present embodiment, comprise, for the DDC controller 1 that the system core controls, for gathering the new wind-warm syndrome humidity sensor 2 of central air-conditioning new wind-warm syndrome humidity parameter; For controlling the new fan valve executor 3 of the opening and closing of the new air-valve of central air-conditioning Fresh air handling units; For monitoring the filter screen differential pressure pickup 4 of the pressure differential of central air-conditioning Fresh air handling units new wind filter screen both sides; For the water valve adjusting actuator 5 of the aperture of regulable control central air-conditioning Fresh air handling units Cold-hot water valve; For monitoring the antifreeze alarm switch 6 of the antifreeze signal of coil pipe in central air-conditioning Fresh air handling units; For gathering the air-supply Temperature Humidity Sensor 7 of central air-conditioning air-supply humiture parameter;
The DDC expansion I/O module 8 of the start and stop of pressure fan is inputted and controls for 6 way switch amount inputs and No. 2 relays output controls, the fault of monitoring pressure fan, alarm condition signal; Described DDC controller 1 adopts the DDC controller based on Pyxos on-scene communication EBI; Described new wind-warm syndrome humidity sensor 2, new fan valve executor 3, filter screen differential pressure pickup 4, water valve adjusting actuator 5 and air-supply Temperature Humidity Sensor 7 adopt respectively based on the corresponding sensor of Pyxos on-scene communication EBI and actuator.By increasing the Pyxos field bus communication interface with link function of supplying power on DDC controller and each corresponding sensor and actuator, make DDC controller and between each corresponding sensor and actuator by the nonpolarity twisted pair line connection of 2 core, by field bus communication function, realize the signal input collection of DDC to each sensor and the output control function of each actuator.Greatly reduce the complexity of site operation wiring like this.
Specifically, DDC controller 1 is the core cell of system control function, mainly complete new wind air-supply real time humiture collecting sensor signal, process filter screen differential pressure pickup, antifreeze alarm sensor, the input of pressure fan switch board status signal, according to the control logic execution result of setting, carry out the control output of pressure fan switch board, water valve actuator, fan valve executor.
New wind-warm syndrome humidity sensor 2: gather the new wind-warm syndrome humidity parameter of central air-conditioning.
New fan valve executor 3: the opening and closing controlling the new air-valve of central air-conditioning Fresh air handling units;
Filter screen differential pressure pickup 4: the pressure differential of monitoring central air-conditioning Fresh air handling units new wind filter screen both sides.
Water valve adjusting actuator 5: the aperture of regulable control central air-conditioning Fresh air handling units Cold-hot water valve.
Antifreeze alarm switch 6: the antifreeze signal of coil pipe in monitoring central air-conditioning Fresh air handling units.
DDC expands I/O module 7:6 way switch amount and inputs No. 2 relay output control modules, can monitor the fault of pressure fan, the input of alarm condition signal, and control the start and stop of pressure fan.
Air-supply Temperature Humidity Sensor 8: gather central air-conditioning air-supply humiture parameter.
As the further improvement of technique scheme, described Pyxos on-scene communication bus transmits 24VAC/DC power supply and data-signal on a pair 2 core twisted-pair feeders simultaneously, and described Pyxos on-scene communication bus links is nonpolarity.
As the further improvement of technique scheme, the power supply of described new wind-warm syndrome humidity sensor 2, new fan valve executor 3, filter screen differential pressure pickup 4, water valve adjusting actuator 5 and air-supply Temperature Humidity Sensor 7 is obtained by Pyxos on-scene communication bus links.
As the further improvement of technique scheme, the data that described DDC expands I/O module 8, new wind-warm syndrome humidity sensor 2, new fan valve executor 3, filter screen differential pressure pickup 4, water valve adjusting actuator 5 and air-supply Temperature Humidity Sensor 7 all transfer to DDC controller 1 by Pyxos fieldbus.
Specifically, this system provided by the invention adopts DDC controller based on Pyxos on-scene communication EBI and corresponding sensor, actuator, and on-scene communication bus supports communication bus link function of supplying power.Transmit 24VAC/DC power supply and data-signal because Pyxos bus is supported on a pair 2 core twisted-pair feeders, and bus links is nonpolarity simultaneously.In native system, all sensors and the power supply of actuator can both be obtained by Pyxos bus links, so sensor and actuator do not need to lay power line separately again.Further, the data of DDC expansion module, each sensor and actuator all transfer to DDC by Pyxos fieldbus.Therefore, the central air conditioning system of native system design is except having the function of normal procedure intelligent control, only need, by nonpolarity twisted pair line connection DDC controller, various sensor, various actuator, expansion module, to reduce difficulty and cost in equipment installation wiring.
Further improvement as technique scheme: described new wind-warm syndrome humidity sensor 2, new fan valve executor 3, filter screen differential pressure pickup 4, water valve adjusting actuator 5, air-supply Temperature Humidity Sensor 7 and DDC controller 1 all have power supply coupling isolated location; Described power supply coupling isolated location is used for the 24VDC/AC power supply signal in the nonpolarity multiple twin communication line of 2 core to be separated, and is supplied to the systemic-function circuit of respective equipment.
As the further improvement of technique scheme, described DDC controller 1 is communicated with new wind-warm syndrome humidity sensor 2 by Pyxos fieldbus, obtain new wind and the warm and humid angle value of air-supply, and compare with the temperature value that DDC sets, after PID arithmetic, export controlling value to water valve adjusting actuator 5 by Pyxos fieldbus.
As the further improvement of technique scheme, described DDC controller 1 is expanded I/O module 8 by Pyxos fieldbus with DDC and is communicated, and obtains the monitoring state of pressure fan, and controls the start and stop of pressure fan according to the control logic of setting and carry out alarm signal transmission.
As the further improvement of technique scheme, described filter screen differential pressure pickup 4, antifreeze alarm switch 6 are all communicated with DDC controller 1 by Pyxos bus, and the control logic according to setting carries out corresponding alarm signal process.
Specifically, each sensor and controller equiment have power supply coupling isolated location, are separated by the 24VDC/AC power supply signal in the nonpolarity multiple twin communication line of 2 core, are supplied to the systemic-function circuit of respective equipment.So only need to power to DDC main controller end.
DDC is communicated with Temperature Humidity Sensor by Pyxos fieldbus, obtains new wind and the warm and humid angle value of air-supply, and compares with the temperature value that DDC sets, and after PTD computing, exports controlling value to water valve adjusting actuator by Pyxos fieldbus.
DDC, by Pyxos fieldbus and DDC communication extension module communication, obtains the monitoring state of pressure fan, and controls the start and stop of pressure fan according to the control logic of setting and carry out alarm signal transmission.
Filter screen differential pressure pickup, antifreeze alarm switch are all communicated with DDC by Pyxos bus, and the control logic according to setting carries out corresponding alarm signal process.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. the central air-conditioning Xingfeng capsule system based on Pyxos bus, it is characterized in that: comprise, for the DDC controller (1) that the system core controls, for gathering the new wind-warm syndrome humidity sensor (2) of central air-conditioning new wind-warm syndrome humidity parameter; For controlling the new fan valve executor (3) of the opening and closing of the new air-valve of central air-conditioning Fresh air handling units; For monitoring the filter screen differential pressure pickup (4) of the pressure differential of central air-conditioning Fresh air handling units new wind filter screen both sides; For the water valve adjusting actuator (5) of the aperture of regulable control central air-conditioning Fresh air handling units Cold-hot water valve; For monitoring the antifreeze alarm switch (6) of the antifreeze signal of coil pipe in central air-conditioning Fresh air handling units; For gathering the air-supply Temperature Humidity Sensor (7) of central air-conditioning air-supply humiture parameter;
DDC expansion I/O module (8) of the start and stop of pressure fan is inputted and controls for 6 way switch amount inputs and No. 2 relays output controls, the fault of monitoring pressure fan, alarm condition signal; Described DDC controller (1) adopts the DDC controller based on Pyxos on-scene communication EBI; Described new wind-warm syndrome humidity sensor (2), new fan valve executor (3), filter screen differential pressure pickup (4), water valve adjusting actuator (5) and air-supply Temperature Humidity Sensor (7) adopt respectively based on the corresponding sensor of Pyxos on-scene communication EBI and actuator.
2. according to a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus described in claim 1, it is characterized in that: described Pyxos on-scene communication bus transmits 24VAC/DC power supply and data-signal on a pair 2 core twisted-pair feeders simultaneously, described Pyxos on-scene communication bus links is nonpolarity.
3. according to a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus described in claim 1, it is characterized in that: the power supply of described new wind-warm syndrome humidity sensor (2), newly fan valve executor (3), filter screen differential pressure pickup (4), water valve adjusting actuator (5) and Temperature Humidity Sensor (7) of blowing is obtained by Pyxos on-scene communication bus links.
4. according to a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus described in claim 1, it is characterized in that: the data that described DDC expands I/O module (8), new wind-warm syndrome humidity sensor (2), new fan valve executor (3), filter screen differential pressure pickup (4), water valve adjusting actuator (5) and Temperature Humidity Sensor (7) of blowing all transfer to DDC controller (1) by Pyxos fieldbus.
5. according to a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus described in claim 1, it is characterized in that: described new wind-warm syndrome humidity sensor (2), new fan valve executor (3), filter screen differential pressure pickup (4), water valve adjusting actuator (5), air-supply Temperature Humidity Sensor (7) and DDC controller (1) all have power supply coupling isolated location; Described power supply coupling isolated location is used for the 24VDC/AC power supply signal in the nonpolarity multiple twin communication line of 2 core to be separated, and is supplied to the systemic-function circuit of respective equipment.
6. according to a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus described in claim 1, it is characterized in that: described DDC controller (1) is communicated with new wind-warm syndrome humidity sensor (2) by Pyxos fieldbus, obtain new wind and the warm and humid angle value of air-supply, and compare with the temperature value that DDC sets, after PID arithmetic, export controlling value to water valve adjusting actuator (5) by Pyxos fieldbus.
7. according to a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus described in claim 1, it is characterized in that: described DDC controller (1) is expanded I/O module (8) by Pyxos fieldbus with DDC and communicated, obtain the monitoring state of pressure fan, and control the start and stop of pressure fan according to the control logic of setting and carry out alarm signal transmission.
8. according to a kind of central air-conditioning Xingfeng capsule system based on Pyxos bus described in claim 1, it is characterized in that: described filter screen differential pressure pickup (4), antifreeze alarm switch (6) are all communicated with DDC controller (1) by Pyxos bus, the control logic according to setting carries out corresponding alarm signal process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520430010.9U CN204923329U (en) | 2015-06-19 | 2015-06-19 | Central air conditioning new trend control system based on pyxos bus |
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| CN201520430010.9U CN204923329U (en) | 2015-06-19 | 2015-06-19 | Central air conditioning new trend control system based on pyxos bus |
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| CN204923329U true CN204923329U (en) | 2015-12-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716190A (en) * | 2016-04-13 | 2016-06-29 | 南京长江都市建筑设计股份有限公司 | Building comprehensive energy efficiency management system |
| CN108268019A (en) * | 2018-02-11 | 2018-07-10 | 合肥图久智能科技有限公司 | Building automatic control system based on P-BUS buses |
-
2015
- 2015-06-19 CN CN201520430010.9U patent/CN204923329U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716190A (en) * | 2016-04-13 | 2016-06-29 | 南京长江都市建筑设计股份有限公司 | Building comprehensive energy efficiency management system |
| CN108268019A (en) * | 2018-02-11 | 2018-07-10 | 合肥图久智能科技有限公司 | Building automatic control system based on P-BUS buses |
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Address after: Building No. 11 Yuhuatai flora Ningxia Road District of Nanjing City, Jiangsu province 210000, 304, 305 room 306 Patentee after: Jiangsu Zhengtai taijiesai Intelligent Technology Co., Ltd Address before: 10, block B, building 210000, building B, new Metropolitan Plaza, 85 Chang Fu Street, Nanjing, Jiangsu Patentee before: NANJING TAIJIESAI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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