CN217500409U - Constant-pressure water supply control circuit system, controller and control cabinet - Google Patents
Constant-pressure water supply control circuit system, controller and control cabinet Download PDFInfo
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- CN217500409U CN217500409U CN202220472442.6U CN202220472442U CN217500409U CN 217500409 U CN217500409 U CN 217500409U CN 202220472442 U CN202220472442 U CN 202220472442U CN 217500409 U CN217500409 U CN 217500409U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model is suitable for a converter technical field provides a constant voltage water supply control circuit system, controller and switch board, and this constant voltage water supply control circuit system includes: the frequency converter is electrically connected with the water pumps in a one-to-one correspondence mode, the frequency converters are all electrically connected with three phases, one of the frequency converters is selected optionally as a host frequency converter, the other frequency converter is selected optionally as a standby host frequency converter, other frequency converters except the host frequency converter and the standby host frequency converter are selected as slave frequency converters, the host frequency converter controls the standby host frequency converter and the slave frequency converters, and the frequency converters are connected through a CAN bus. The utility model discloses system stability can be improved.
Description
Technical Field
The utility model belongs to the technical field of the converter, especially, relate to a constant voltage water supply control circuit system, controller and switch board.
Background
Traditional constant voltage water supply control system is for one drags many switch boards, and opening of many low-power water pumps of a converter control stops, but every water pump need add a plurality of contactors (two contactors are joined in marriage to a water pump) wiring complicacy to it is big also can appear the pressure fluctuation in the switching process that switches different water pumps, leads to the problem of system poor stability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a constant voltage water supply control circuit system aims at solving constant voltage water supply control system's the poor stability's problem.
The utility model discloses a realize like this, provide a constant voltage water supply control circuit system, constant voltage water supply control circuit system includes: the frequency converter is electrically connected with the water pumps in a one-to-one correspondence mode, the frequency converters are all electrically connected with three phases, one of the frequency converters is selected as a host frequency converter, the other frequency converter is selected as a standby host frequency converter, other frequency converters except the host frequency converter and the standby host frequency converter serve as slave frequency converters, the host frequency converter controls the standby host frequency converter and the slave frequency converters, and the frequency converters are connected through a CAN bus.
Still further, still include first pressure sensor and second pressure sensor, first pressure sensor with the host computer converter electricity is connected, is used for measuring the host computer converter corresponds the pressure of water pump and the protection corresponds the water pump, second pressure sensor with reserve host computer converter electricity is connected, is used for measuring reserve host computer converter corresponds the pressure of water pump and the protection corresponds the water pump.
The utility model provides a constant voltage water supply controller, include like the embodiment of the utility model provides an arbitrary constant voltage water supply control circuit system.
The utility model also provides a constant voltage water supply switch board, include the embodiment of the utility model a constant voltage water supply controller.
The utility model discloses the beneficial effect who reaches: the method is characterized in that a multi-driving mode is adopted, each water pump is independently provided with one frequency converter, data exchange is carried out between the frequency converters in a CAN communication mode, one frequency converter is selected to serve as a master frequency converter, the other frequency converter serves as a standby master frequency converter, the rest frequency converters serve as slave frequency converters, and one master frequency converter controls a plurality of slave frequency converters. When the main machine frequency converter fails, the standby main machine frequency converter can be automatically switched into a main machine frequency converter mode to replace the main machine frequency converter to control the other auxiliary machine frequency converters. Due to the arrangement of the standby mechanism, the influence of the problems of individual frequency converters on the whole system is limited in time, and the stability of the system is further improved. And the pipeline pressure change is small in the process of switching the water pump. The working time difference of each water pump is not large, and the service life of each water pump is prolonged.
Drawings
Fig. 1 is a schematic diagram of a circuit structure of a constant-pressure water supply control circuit system according to an embodiment of the present invention.
The system comprises a master frequency converter 1, a master frequency converter 2, a standby master frequency converter 3, a slave frequency converter 4, a first pressure sensor 5, a water pump 6 and a second pressure sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model discloses a mode that drags many more, every water pump is joined in marriage a converter alone, adopts CAN communication mode to exchange data between the converter, selects one of them converter as the host computer converter, and another converter is as reserve host computer converter, and surplus converter is as following the machine converter, is controlled a plurality of from the machine converter by a host computer converter. When the main machine frequency converter fails, the standby main machine frequency converter can be automatically switched into a main machine frequency converter mode to replace the main machine frequency converter to control the other auxiliary machine frequency converters. Due to the arrangement of the standby mechanism, the influence of the problems of individual frequency converters on the whole system is limited in time, and the stability of the system is further improved. And the pipeline pressure change is small in the process of switching the water pump. The working time difference of each water pump is not large, and the service life of each water pump is prolonged.
Example one
Referring to fig. 1, fig. 1 is a schematic circuit structure diagram of a constant-pressure water supply control circuit system according to an embodiment of the present invention, the constant-pressure water supply control circuit system includes: the frequency converters are electrically connected with the water pumps 5 in a one-to-one correspondence manner, the frequency converters are all electrically connected with three phases, wherein one of the frequency converters is selected as a host frequency converter 1, the other frequency converter is selected as a standby host frequency converter 2, other frequency converters except the host frequency converter 1 and the standby host frequency converter 2 are selected as a slave frequency converter 3, the host frequency converter 1 controls the standby host frequency converter 2 and the slave frequency converter 3, and the frequency converters are connected through a CAN (controller Area network) bus.
Wherein, the input end of each frequency converter is electrically connected with R, S and T three-phase electric ends in the three-phase power, wherein R, S and T can be three phases for representing the input end of the frequency converter, and R, S and T three-phase electric ends for connecting the corresponding three-phase power. The voltage of the three-phase electricity can be 380V alternating current.
The CAN bus comprises a CAN + bus and a CAN-bus, and data are exchanged among the plurality of frequency converters in a CAN communication mode.
In the plurality of frequency converters, the number of slave frequency converters 3 may be expanded as necessary.
The utility model discloses a mode that drags many more, a converter is joined in marriage alone to every water pump 5, adopts CAN communication mode to exchange data between the converter, selects one of them converter as host computer converter 1, and another converter is as reserve host computer converter 2, and surplus converter is as following machine converter 3, is controlled a plurality of from machine converter 3 by a host computer converter 1. When the master frequency converter 1 fails, the standby master frequency converter 2 can be automatically switched to the master frequency converter 1 mode to replace the master frequency converter 1 to control the other slave frequency converters 3. Due to the arrangement of the standby mechanism, the influence of the problems of individual frequency converters on the whole system is limited in time, and the stability of the system is further improved. And the change of the pipeline pressure is small during the switching of the water pump 5. The working time difference of each water pump 5 is not large, and the service life of each water pump 5 is prolonged.
The embodiment of the utility model provides an in, this constant voltage water supply control circuit system still includes first pressure sensor 4 and second pressure sensor 6, first pressure sensor 4 with 1 electricity of host computer converter is connected, is used for measuring 1 pressure and the protection that corresponds water pump 5 of host computer converter 1, second pressure sensor 6 with 2 electricity of reserve host computer converter are connected, are used for measuring 2 pressures and the protection that correspond water pump 5 of reserve host computer converter correspond water pump 5. Specifically, the pressure of the corresponding water pump 5 is detected through the first pressure sensor 4, and the pressure is transmitted to the corresponding host frequency converter, so that the pressure of the corresponding water pump 5 is adjusted, and the effect of protecting the water pump 5 is achieved. Of course, the pressure of the corresponding water pump 5 is detected by the second pressure sensor 6 and transmitted to the corresponding host frequency converter so as to adjust the pressure of the corresponding water pump 5, thereby achieving the effect of protecting the water pump 5
Example two
The specific embodiment of the utility model provides a constant voltage water supply controller still provides, including embodiment one a constant voltage water supply control circuit system.
Because a multi-driving mode is adopted, each water pump is independently provided with one frequency converter, data exchange is carried out between the frequency converters in a CAN communication mode, one frequency converter is selected to be used as a master frequency converter, the other frequency converter is used as a standby master frequency converter, the rest frequency converters are used as slave frequency converters, and one master frequency converter controls a plurality of slave frequency converters. When the main machine frequency converter fails, the standby main machine frequency converter can be automatically switched into a main machine frequency converter mode to replace the main machine frequency converter to control the other auxiliary machine frequency converters. Due to the fact that a standby mechanism is arranged, the influence of the problems of the individual frequency converters on the whole system is limited in time, and the stability of the system is further improved. And the pipeline pressure change is small in the process of switching the water pump. The working time difference of each water pump is not large, and the service life of each water pump is prolonged.
EXAMPLE III
The specific embodiment of the utility model provides a constant voltage water supply switch board is still provided, including embodiment two a constant voltage water supply controller.
Because a multi-split mode is adopted, each water pump is independently provided with one frequency converter, data exchange is carried out between the frequency converters in a CAN communication mode, one frequency converter is selected to serve as a master frequency converter, the other frequency converter serves as a standby master frequency converter, the rest frequency converters serve as slave frequency converters, and one master frequency converter controls a plurality of slave frequency converters. When the main machine frequency converter fails, the standby main machine frequency converter can be automatically switched into a main machine frequency converter mode to replace the main machine frequency converter to control the other auxiliary machine frequency converters. Due to the arrangement of the standby mechanism, the influence of the problems of individual frequency converters on the whole system is limited in time, and the stability of the system is further improved. And the pipeline pressure change is small in the process of switching the water pump. The working time difference of each water pump is not large, and the service life of each water pump is prolonged.
The terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments, and that the connections described above refer to electrical connections.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A constant-pressure water supply control circuit system, comprising: the frequency converter is electrically connected with the water pumps in a one-to-one correspondence mode, the frequency converters are all electrically connected with three phases, one of the frequency converters is selected as a host frequency converter, the other frequency converter is selected as a standby host frequency converter, other frequency converters except the host frequency converter and the standby host frequency converter serve as slave frequency converters, the host frequency converter controls the standby host frequency converter and the slave frequency converters, and the frequency converters are connected through a CAN bus.
2. The constant-pressure water supply control circuit system as claimed in claim 1, further comprising a first pressure sensor electrically connected to the main inverter for measuring the pressure of the main inverter corresponding to the water pump and protecting the corresponding water pump, and a second pressure sensor electrically connected to the standby main inverter for measuring the pressure of the standby main inverter corresponding to the water pump and protecting the corresponding water pump.
3. A constant-pressure water supply controller characterized by comprising a constant-pressure water supply control circuit system according to any one of claims 1 to 2.
4. A constant pressure water supply control cabinet comprising a constant pressure water supply controller according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220472442.6U CN217500409U (en) | 2022-03-04 | 2022-03-04 | Constant-pressure water supply control circuit system, controller and control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220472442.6U CN217500409U (en) | 2022-03-04 | 2022-03-04 | Constant-pressure water supply control circuit system, controller and control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217500409U true CN217500409U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220472442.6U Active CN217500409U (en) | 2022-03-04 | 2022-03-04 | Constant-pressure water supply control circuit system, controller and control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217500409U (en) |
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2022
- 2022-03-04 CN CN202220472442.6U patent/CN217500409U/en active Active
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Effective date of registration: 20240529 Address after: 518000, 2nd Floor, Building C, Huilongda Industrial Park, Shuitian Community, Shilong Community, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen YiDianTong Technology Co.,Ltd. Country or region after: China Patentee after: Eotei (Shanghai) Water Technology Co.,Ltd. Address before: 518000, 2nd Floor, Building C, Huilongda Industrial Park, Shuitian Community, Shilong Community, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen YiDianTong Technology Co.,Ltd. Country or region before: China |