CN202900606U - Water pump intelligent frequency conversion control cabinet - Google Patents
Water pump intelligent frequency conversion control cabinet Download PDFInfo
- Publication number
- CN202900606U CN202900606U CN201220491283.0U CN201220491283U CN202900606U CN 202900606 U CN202900606 U CN 202900606U CN 201220491283 U CN201220491283 U CN 201220491283U CN 202900606 U CN202900606 U CN 202900606U
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- water pump
- frequency
- controller
- water
- control cabinet
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Abstract
The utility model relates to a water pump control device and discloses a water pump intelligent frequency conversion control cabinet. The water pump intelligent frequency conversion control cabinet comprises a cabinet body, a gathering module, a controller, a power source module, a frequency converter, a contactor and an operating platform, wherein the collecting module, the controller, the power source module, the frequency converter, the contactor and the operating platform are arranged on the cabinet body, the gathering module gathers information of the water supply temperature, the water pressure of water supply, the return water temperature and the return water pressure and transmits the information to the controller, the controller compressively analyzes the information with a standard data package and works out the variable-frequency parameter, the controller transmits the variable-frequency parameter to the frequency converter, the frequency converter converts a power source into a variable-frequency power source which is needed by a water pump, and the contactor is controlled by the controller and outputs the variable-frequency power source to the water pump. The water pump intelligent frequency conversion control cabinet compressively analyzes the indoor temperature, the outdoor temperate, the water supply temperature, the return water temperature, information of the indoor crowd average density and information of the cold and heat source running status, estimates the optimal quantity of flow of a water circulating system, automatically sets the variable-frequency input, controls the rotating speed of the water pump, enables the water pump to reasonably match with the integrated power output of a central air conditioner, and reduces energy consumption.
Description
Technical field
The utility model relates to pump control unit, relates in particular to a kind of water pump intelligent frequency-conversion control cabinet for the central air-conditioner cooling water circulatory system and the chilled water circulatory system.
Background technique
According to the firmly section's of building prediction, building energy consumption has accounted for about 20% of national terminal total energy consumption, and this ratio might reach 35% in following 20 years.Central air-conditioning system has considerable energy-saving potential as the pith of building energy consumption.And water pump is as the major impetus device of water circulation system of central air conditioning, in current generally application, the general mode that adopts firm discharge can't be carried out Flow-rate adjustment to the actual demand of water circulation flow according to air-conditioning system, and this will certainly cause the waste of the energy.
Adopt in addition at present the large temperature difference, the controlling method of small flow, because this control mode is unreasonable, aspect synthesis energy saving, there is obviously deficiency, although in the water pump link energy-saving effect is arranged, but it reduces flow by force, the mode that enlarges the temperature difference must change the condensing temperature of cold ﹠ heat source equipment, worsens the operating conditions of cold ﹠ heat source equipment, thereby causes the larger energy consumption of cold ﹠ heat source equipment, comprehensive assessment, energy-saving effect is also not obvious.
The model utility content
The technical problem that (one) will solve
The technical problems to be solved in the utility model is the reasonable adjusting that how to realize pump capacity, reduces energy consumption.
(2) technological scheme
For solving the problems of the technologies described above, the utility model provides a kind of water pump intelligent frequency-conversion control cabinet, comprise cabinet and be located at respectively acquisition module, controller, power module, frequency variator, contactor and operating platform on the described cabinet, described controller is connected with power module, acquisition module, frequency variator, contactor and operating platform respectively; Described frequency variator is connected with power supply with contactor and is connected, described controller is connected with power supply by described power module, described acquisition module gathers supply water temperature, water supply pressure, return water temperature and the backwater hydraulic pressure information of water pump and is transferred to controller, the frequency conversion parameter is analyzed and calculated to described controller with itself and normal data bag, controller is transferred to frequency variator with the frequency conversion parameter, and frequency variator is converted to the required variable-frequency power sources of water pump with power supply; Described contactor is controlled by controller, to water pump output variable-frequency power sources.
Wherein, described acquisition module comprises supply water temperature sensor, water supply pressure sensor, return water temperature sensor and backwater hydraulic pressure sensor, and described supply water temperature sensor, water supply pressure sensor, return water temperature sensor and backwater hydraulic pressure sensor are respectively applied to gather supply water temperature, water supply pressure, return water temperature and the backwater hydraulic pressure of described water pump and are transferred to controller.
Wherein, described controller adopts direct digital controller.
Wherein, externally fed power acquisition power frequency supply.
Wherein, described operating platform comprises touch screen display and operation keyboard, and described touch screen display is used for showing parameters and the pump operation situation that described controller is received, and man machine operation interface is provided, and described operation keyboard is used for practical function and switches.
Wherein, described normal data bag comprises crowd's averag density information and cold ﹠ heat source working condition information in the indoor and outdoor temperature information that meets the Modbus consensus standard, the building.
Wherein, described controller comprises first interface and the second interface, and described first interface is used for receiving the normal data bag, and described the second interface is used for receiving described supply water temperature, water supply pressure, return water temperature and backwater hydraulic pressure information.
Wherein, described first interface adopts RS-485 interface or Ethernet interface.
Wherein, described the second interface adopts analog interface.
Wherein, described cabinet is provided with radiating module.
(3) beneficial effect
A kind of water pump intelligent frequency-conversion control cabinet that the utility model provides, acquisition module gathers the supply water temperature of water pump, water supply pressure, return water temperature and backwater hydraulic pressure information also are transferred to controller, the frequency conversion parameter is analyzed and calculated to controller with itself and normal data bag, controller is transferred to frequency variator with the frequency conversion parameter and provides variable-frequency power sources for water pump, contactor is controlled by controller, to water pump output variable-frequency power sources, controller adopts the optimal flux of intelligent algorithm estimation water circulation system, Lookup protocol frequency conversion output, the rotating speed of control water pump, rationally call the flow of water pump, make water pump reasonably cooperate the overall power output of central air-conditioner, reduce the consumption of the energy.
Description of drawings
Fig. 1 is the frame diagram of a kind of water pump intelligent frequency-conversion of the utility model control cabinet.
Among the figure: 1, cabinet; 2, acquisition module; 3, controller; 4, power module; 5, frequency variator; 6, contactor; 7, touch screen display; 8, operation keyboard; 9, radiating module; 10, power supply.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Such as Fig. 1, a kind of water pump intelligent frequency-conversion control cabinet of the present utility model comprises cabinet 1 and is located at respectively acquisition module 2, controller 3, power module 4, frequency variator 5, contactor 6 and operating platform on this cabinet 1; Controller 3 is connected with operating platform with power module 4, acquisition module 2, frequency variator 5, contactor 6 respectively; Frequency variator 5 is connected with contactor and directly is connected with power supply 10 respectively, controller 3 is connected with power supply 10 by power module 4, the voltage of power module 4 stable outputs is to controller 3, acquisition module 2 gathers supply water temperature, water supply pressure, return water temperature and the backwater hydraulic pressure information of water pump and is transferred to controller 3, the frequency conversion parameter is analyzed and calculated to controller 3 with itself and normal data bag, controller 3 is transferred to frequency variator 5 with the frequency conversion parameter, and frequency variator 5 is converted to the required variable-frequency power sources of water pump with power supply 10; Contactor 6 is controlled by controller 3, to water pump output variable-frequency power sources.
Operating platform comprises touch screen display 7 and operation keyboard 8, touch screen display 7 is used for display controller 3 received parameters and pump operation situation, and man machine operation interface is provided, operation keyboard 8 is used for practical function and switches as the standby operation mode of touch screen display 7.
The normal data bag comprises crowd's averag density information and cold ﹠ heat source working condition information in the indoor and outdoor temperature information that meets the Modbus consensus standard, the building.
Further, also be provided with radiating module 9 on the cabinet 1, be used for heat radiation.
The water pump intelligent frequency-conversion control cabinet that technique scheme provides, comprehensive analysis indoor and outdoor temperature, water supply/return water temperature, indoor crowd's averag density information, cold ﹠ heat source working condition information, the optimal flux of estimation water circulation system, Lookup protocol frequency conversion output, the rotating speed of control water pump, make water pump reasonably cooperate the overall power output of central air-conditioner, reduce the consumption of the energy; This device supports to have telecommunication control function by standard communication protocol, makes things convenient for administrative staff to strengthen management and control to equipment; Simultaneously, by the hydraulic pressure of Real Time Monitoring confession/backwater, analyze the working condition of water pump, and allow administrative staff understand at any time the water pump state by the telecommunication mode, be conducive to the regular maintenance of water pump.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (10)
1. water pump intelligent frequency-conversion control cabinet, it is characterized in that, comprise cabinet and be located at respectively acquisition module, controller, power module, frequency variator, contactor and operating platform on the described cabinet, described controller is connected with power module, acquisition module, frequency variator, contactor and operating platform respectively; Described frequency variator is connected with power supply with contactor and is connected, described controller is connected with power supply by described power module, described acquisition module gathers supply water temperature, water supply pressure, return water temperature and the backwater hydraulic pressure information of water pump and is transferred to controller, the frequency conversion parameter is analyzed and calculated to described controller with itself and normal data bag, controller is transferred to frequency variator with the frequency conversion parameter, and frequency variator is converted to the required variable-frequency power sources of water pump with power supply; Described contactor is controlled by controller, to water pump output variable-frequency power sources.
2. water pump intelligent frequency-conversion control cabinet as claimed in claim 1, it is characterized in that, described acquisition module comprises supply water temperature sensor, water supply pressure sensor, return water temperature sensor and backwater hydraulic pressure sensor, and described supply water temperature sensor, water supply pressure sensor, return water temperature sensor and backwater hydraulic pressure sensor are respectively applied to gather supply water temperature, water supply pressure, return water temperature and the backwater hydraulic pressure of described water pump and are transferred to controller.
3. water pump intelligent frequency-conversion control cabinet as claimed in claim 1 is characterized in that, described controller adopts direct digital controller.
4. water pump intelligent frequency-conversion control cabinet as claimed in claim 1 is characterized in that, described power supply adopts power frequency supply.
5. water pump intelligent frequency-conversion control cabinet as claimed in claim 1, it is characterized in that, described operating platform comprises touch screen display and operation keyboard, described touch screen display is used for showing parameters and the pump operation situation that described controller is received, and provide man machine operation interface, described operation keyboard to be used for the practical function switching.
6. water pump intelligent frequency-conversion control cabinet as claimed in claim 1 is characterized in that, described normal data bag comprises crowd's averag density information and cold ﹠ heat source working condition information in the indoor and outdoor temperature information that meets the Modbus consensus standard, the building.
7. water pump intelligent frequency-conversion control cabinet as claimed in claim 1, it is characterized in that, described controller comprises first interface and the second interface, described first interface is used for receiving the normal data bag, and described the second interface is used for receiving described supply water temperature, water supply pressure, return water temperature and backwater hydraulic pressure information.
8. water pump intelligent frequency-conversion control cabinet as claimed in claim 7 is characterized in that, described first interface adopts RS-485 interface or Ethernet interface.
9. water pump intelligent frequency-conversion control cabinet as claimed in claim 7 is characterized in that, described the second interface adopts analog interface.
10. water pump intelligent frequency-conversion control cabinet as claimed in claim 1 is characterized in that described cabinet is provided with radiating module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491283.0U CN202900606U (en) | 2012-09-24 | 2012-09-24 | Water pump intelligent frequency conversion control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491283.0U CN202900606U (en) | 2012-09-24 | 2012-09-24 | Water pump intelligent frequency conversion control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202900606U true CN202900606U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220491283.0U Expired - Lifetime CN202900606U (en) | 2012-09-24 | 2012-09-24 | Water pump intelligent frequency conversion control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202900606U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277306A (en) * | 2013-05-09 | 2013-09-04 | 恒天九五重工有限公司 | Multifunctional drill machine taking power-frequency power supply as power |
| CN105114294A (en) * | 2015-08-27 | 2015-12-02 | 中节能（常州）城市节能研究院有限公司 | Intelligent water pump control cabinet of centralized energy supply system |
-
2012
- 2012-09-24 CN CN201220491283.0U patent/CN202900606U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277306A (en) * | 2013-05-09 | 2013-09-04 | 恒天九五重工有限公司 | Multifunctional drill machine taking power-frequency power supply as power |
| CN103277306B (en) * | 2013-05-09 | 2015-10-14 | 恒天九五重工有限公司 | A kind of power frequency supply that uses is as the multifunctional drill of power |
| CN105114294A (en) * | 2015-08-27 | 2015-12-02 | 中节能（常州）城市节能研究院有限公司 | Intelligent water pump control cabinet of centralized energy supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100080 Beijing Haidian District City 55 Suzhou Street Mingshang building 1206 Patentee after: BEIJING CENTURY MICROENTROPY TECHNOLOGY CO.,LTD. Address before: 100080 Beijing Haidian District City 55 Suzhou Street Mingshang building 1206 Patentee before: BEIJING CENTURY MICROENTROPY TECHNOLOGY CO.,LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Water pump intelligent frequency conversion control cabinet Effective date of registration: 20151209 Granted publication date: 20130424 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING CENTURY MICROENTROPY TECHNOLOGY CO.,LTD. Registration number: 2015990001093 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170220 Granted publication date: 20130424 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: BEIJING CENTURY MICROENTROPY TECHNOLOGY CO.,LTD. Registration number: 2015990001093 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |