CN218713532U - Constant-pressure water supply frequency conversion system - Google Patents
Constant-pressure water supply frequency conversion system Download PDFInfo
- Publication number
- CN218713532U CN218713532U CN202222870304.6U CN202222870304U CN218713532U CN 218713532 U CN218713532 U CN 218713532U CN 202222870304 U CN202222870304 U CN 202222870304U CN 218713532 U CN218713532 U CN 218713532U
- Authority
- CN
- China
- Prior art keywords
- water supply
- wireless communication
- water
- frequency conversion
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model discloses a constant voltage water supply frequency conversion system, include: the system comprises a frequency conversion cabinet, a liquid level controller, a water pump, a water pressure sensor, a pressure gauge and a remote monitoring terminal; the frequency conversion cabinet comprises a cabinet body, a frequency converter and wireless communication equipment, wherein the frequency converter and the wireless communication equipment are arranged in the cabinet body and are electrically connected, and the remote monitoring terminal is in wireless communication connection with the wireless communication equipment; liquid level controller, water pump, water pressure sensor and manometer respectively with converter electric connection, liquid level controller establishes in the cistern, water pump, water pressure sensor and manometer are installed respectively on the water supply pipe with the cistern intercommunication. The utility model discloses a constant voltage water supply frequency conversion system has realized local and long-range dual control, can reduce the cost of labor.
Description
Technical Field
The utility model relates to a constant pressure water supply technical field especially relates to a constant pressure water supply frequency conversion system.
Background
With the development of the frequency conversion technology and the continuous improvement of water supply requirements of life and industry, the frequency conversion constant-pressure water supply begins to be applied to the industry, water supply systems for life and fire fighting are widely applied, the aim of matching the water supply quantity of the water supply system with the water consumption of users is achieved, and the users can normally use water.
At present, the water supply system capable of realizing variable-frequency constant-pressure water supply mostly adopts local control, the working state of the water supply system needs to be checked by people through phenomena, and relevant parameters need to be changed manually on site, such as water supply pressure and the like, and a large amount of labor cost needs to be consumed.
Chinese utility model patent with grant publication number CN205530480U discloses a frequency conversion constant pressure water supply system, and this system includes: the water pump comprises a water pumping motor, a water pressure sensor, a controller, a frequency converter, a water supply pipeline, a water pool and a water pool water level sensor; the water supply pipeline is led out from the water pool, a plurality of water pumping motors are arranged on the path of the water supply pipeline and comprise a resident water supply motor, a fire fighting water supply motor and a standby motor, and all the water pumping motors are connected with the same frequency converter; a water pressure sensor is arranged on the water supply pipeline, and a water tank water level sensor is arranged in the water tank; the water pressure sensor, the pool water level sensor, the frequency converter and the water pumping motor are connected to the controller through communication lines to carry out data interaction. The system adopts local control and fails to solve the problems.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims to provide a constant voltage water supply frequency conversion system for realize constant voltage water supply frequency conversion system's local and long-range dual control, with the reduction cost of labor.
The utility model provides a constant voltage water supply frequency conversion system, include: the system comprises a frequency conversion cabinet, a liquid level controller, a water pump, a water pressure sensor, a pressure gauge and a remote monitoring terminal; wherein the content of the first and second substances,
the frequency conversion cabinet comprises a cabinet body, a frequency converter and wireless communication equipment, wherein the frequency converter and the wireless communication equipment are arranged in the cabinet body, the frequency converter is electrically connected with the wireless communication equipment, and the remote monitoring terminal is in wireless communication connection with the wireless communication equipment;
the liquid level controller the water pump water pressure sensor with the manometer respectively with converter electric connection, the liquid level controller is established in the cistern, the water pump water pressure sensor with the manometer install respectively with on the water supply pipe of cistern intercommunication.
Further, the frequency conversion cabinet further comprises a control panel installed on the cabinet body, and the control panel is electrically connected with the frequency converter.
Optionally, the liquid level controller is a float switch.
Optionally, the wireless communication device is a DTU device.
Further, the frequency conversion cabinet further comprises an intermediate relay installed on the cabinet body, and the intermediate relay is connected to a connection line between the wireless communication equipment and the frequency converter.
Further, the frequency conversion cabinet is still including installing buzzer on the cabinet body, buzzer with converter electric connection.
Further, the frequency conversion cabinet further comprises an air switch installed on the cabinet body, the input end of the air switch is electrically connected with the commercial power grid, and the output end of the air switch is electrically connected with the frequency converter.
Further, the frequency conversion cabinet also comprises a lightning protection device installed on the cabinet body, and the lightning protection device is connected on a connecting line between the air switch and the frequency converter.
Further, the frequency conversion cabinet further comprises a switch power supply installed on the cabinet body, and the switch power supply is electrically connected with the frequency converter.
The utility model has the advantages as follows:
the utility model provides an among the constant voltage water supply frequency conversion system, the converter passes through the liquid level data that liquid level controller gathered the cistern to realize the liquid level control of cistern. The frequency converter collects water supply pressure in a water supply pipeline and on one side of a water end of a user through the pressure sensor, and displays the water supply pressure collected by the pressure sensor through the pressure gauge so as to monitor the water consumption of the user. The frequency converter is used for controlling the operating frequency of the water pump according to the water supply pressure, so that the water supply pressure of the water supply pipeline can meet the actual water demand of a user at any time, the purpose of 'how much water is used and how much water is supplied' is realized, and the energy-saving effect is achieved. The frequency converter carries out wireless communication with a remote monitoring terminal through wireless communication equipment, can realize local and remote dual control, carelessly consumes a large amount of cost of labor, can reduce the cost of labor.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a constant-pressure water supply frequency conversion system provided by the present invention;
fig. 2 is a display interface of a remote monitoring terminal provided by the present invention;
fig. 3a is an internal schematic view of a cabinet body of a frequency conversion cabinet provided by the present invention;
FIG. 3b is a partial schematic view of FIG. 3 a;
fig. 4 is a schematic diagram of an internal electrical connection circuit of the frequency conversion cabinet provided by the present invention.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.
The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with certain aspects of the present disclosure.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used in this disclosure refers to and encompasses any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1-4, the present invention provides a constant pressure water supply frequency conversion system, which includes: the system comprises a frequency conversion cabinet, a liquid level controller, a water pump, a water pressure sensor, a pressure gauge and a remote monitoring terminal (not shown in the attached drawing); wherein the content of the first and second substances,
the frequency conversion cabinet comprises a cabinet body, a frequency converter and wireless communication equipment, wherein the frequency converter and the wireless communication equipment are arranged in the cabinet body and are electrically connected, and the remote monitoring terminal is in wireless communication connection with the wireless communication equipment;
liquid level controller, water pump, water pressure sensor and manometer respectively with converter electric connection, liquid level controller establishes in the cistern, water pump, water pressure sensor and manometer are installed respectively on the water supply pipe with the cistern intercommunication.
In specific implementation, the liquid level controller is used for collecting and controlling the liquid level of the reservoir. The water pump is used for controlling the water supply pressure of a water supply pipeline, wherein the water pump realizes soft start through the frequency converter, has no impact on a power grid and a pipe network, and can prolong the service life of devices such as a water pump motor and the pipe network. The pressure sensor is used for acquiring water supply pressure in the water supply pipeline and on one side of the water using end of a user. The pressure gauge is used for displaying the water supply pressure collected by the pressure sensor. The converter is used for according to this water supply water pressure control water pump operational frequency, in order to realize the water supply pipeline's the water supply hydraulic adjustment, for example, when the water consumption increases, the operational frequency who improves the water pump through the converter makes the water pump rotational speed accelerate, the water pump water supply is corresponding to be increased, so that the water supply pipeline's water supply water pressure is corresponding to be increaseed, otherwise, when the water consumption reduces, the operational frequency who reduces the water pump through the converter makes the water pump rotational speed slow down, the water pump water supply is corresponding to be reduced, so that the water supply pipeline's water supply water pressure is corresponding to be reduced. The remote monitoring terminal is communicated with the frequency converter through wireless communication equipment and is used for remotely monitoring the working states of the frequency converter, the water pump, the pressure gauge, the pressure sensor, the float switch and other devices.
The utility model discloses in, when the constant voltage water supply frequency conversion system operation, the converter passes through the liquid level data that liquid level controller gathered the cistern to realize the liquid level control of cistern. The frequency converter collects water supply pressure in a water supply pipeline and on one side of a water end of a user through the pressure sensor, and displays the water supply pressure collected by the pressure sensor through the pressure gauge so as to monitor the water consumption of the user. The frequency converter is used for controlling the operating frequency of the water pump according to the water supply pressure, so that the water supply pressure of the water supply pipeline can meet the actual water demand of a user at any time, the purpose of 'how much water is used and how much water is supplied' is realized, and the energy-saving effect is achieved. When the operating condition of constant pressure water supply frequency conversion system is looked over to needs, if look over the operating condition of devices such as inverter cabinet, water pump, can adopt the local control mode, arrive the on-the-spot operating condition who looks over constant pressure water supply frequency conversion system, perhaps can adopt the remote control mode, look over constant pressure water supply frequency conversion system's operating condition through remote monitoring terminal is long-range to reach unmanned on duty's effect. Correspondingly, when the relevant parameters of the constant-pressure water supply variable-frequency system, such as water supply pressure, need to be changed, the relevant parameters can be changed in a local control mode or a remote control mode. The utility model discloses a constant voltage water supply frequency conversion system can realize local and long-range dual control, and careless consumes a large amount of costs of labor, can reduce the cost of labor.
During specific implementation, the frequency converter can be correspondingly provided with multiple self-protection functions for preventing overcurrent, undervoltage, overvoltage, overload, short circuit, overheating and the like, so that the maximum equipment safety is realized. It should be understood that these self-protection functions are conventional functions of the prior art intermediate frequency converter, and the present invention is not described herein in detail. For example, when the frequency converter is a siemens frequency converter, these functions are functions possessed by the frequency converter.
When concrete is implemented, the cabinet body can set up to the wall-hung type cabinet body or the console mode cabinet body according to the actual demand, the utility model discloses do not do the injecive to this. In fig. 3a, the cabinet is a floor-type cabinet as an example.
Further, the frequency conversion cabinet also comprises a control panel (not shown in the attached drawings) installed on the cabinet body. Wherein, the control panel is electrically connected with the frequency converter. When the system is specifically implemented, the control panel can be used as a human-computer interaction interface of the frequency conversion cabinet, and the functions of displaying the working state of the constant-pressure water supply frequency conversion system, changing relevant parameters and the like can be realized through the control panel.
For example, the control panel may be provided with a display screen and related function buttons, the display screen may display the working state of the constant-pressure water supply frequency conversion system and corresponding fault information, and the related function of the constant-pressure water supply frequency conversion system may be implemented through the related function buttons, such as stopping the operation of the frequency converter, and changing/setting related parameters.
Optionally, the liquid level controller can be a float switch and has the characteristics of simple structure, convenience in use and the like. Of course, when the liquid level controller is implemented, the liquid level controller may also adopt other devices having the liquid level control function, and the present invention is not limited thereto.
Alternatively, the wireless communication device may be a Data Transfer Unit (DTU) device. Wherein, the DTU equipment can support 4G network communication. In fig. 3b (5) is denoted as a wireless communication device.
Of course, the wireless communication device may also be other devices with wireless communication functions, which is not limited by the present invention.
The utility model discloses in, through adopting embedded internet of things, change traditional PLC control technology, set up DTU equipment and carry out radio communication with remote monitoring terminal to can realize that remote monitoring terminal communicates with the converter through the 4G network, realize the remote monitoring of converter, can reduce the development degree of difficulty and the research and development cost of the control technology of converter. For example, when the remote monitoring terminal is a PC terminal (such as a computer), it may be equipped with an internet of things platform, or when the remote monitoring terminal is a mobile phone terminal (such as a smart phone), it may be equipped with a remote control APP. The converter is through combining PC end thing networking platform or cell-phone end APP, can realize that the long-range of converter stops, the long-range collection of operational parameter reports, the integration of malfunction alerting suggestion, and the control strategy can still be formulated to the remote, realizes the fixed point quantitative control of timing of converter, can reach easy operation, accurate control, operational parameter real time monitoring's effect, promotes user experience degree greatly, accomplishes convenient and fast practical.
Illustratively, as shown in fig. 2, the maximum pressure, the minimum pressure and the given pressure of the water supply pressure can be set through the mobile phone terminal APP.
Further, the frequency conversion cabinet also comprises an intermediate relay arranged on the cabinet body. The intermediate relay is connected to a connection line between the wireless communication device and the frequency converter. In specific implementation, the frequency converter can switch whether to adopt a remote control mode by controlling the on-off of the intermediate relay.
For example, as shown in fig. 3a to 4, the input terminal of the intermediate relay is electrically connected to the terminal of the frequency converter, for example, the terminal L1, and the output terminal is electrically connected to the wireless communication device. In fig. 3b, (2) indicates a frequency converter, (6) indicates an intermediate relay in fig. 3b, and (7) indicates a connection terminal of the frequency converter in fig. 3 b.
Further, the frequency conversion cabinet also comprises a buzzer arranged on the cabinet body. Wherein, the buzzer is electrically connected with the frequency converter. When the device is specifically implemented, the buzzer can give a fault alarm to prompt people to check fault reasons and solve faults.
For example, as shown in fig. 4, the frequency conversion cabinet may further be provided with a corresponding frequency converter fault lamp for indicating whether the frequency converter has a fault. For example, when the frequency converter fault lamp is turned on, the frequency converter is indicated to have a fault, or when the frequency converter fault lamp is turned off, the frequency converter is indicated to have no fault.
Further, the inverter cabinet also comprises an air switch installed on the cabinet body. Wherein, air switch's input and municipal power grid electric connection, air switch's output and converter electric connection. The air switch is arranged between the commercial power grid and the frequency converter, so that short circuit, overcurrent and leakage protection of the frequency converter can be realized. In fig. 3b, (1) indicates an air switch.
For example, as shown in fig. 4, the frequency conversion cabinet may further be provided with a corresponding power lamp for indicating whether the frequency converter is connected to the power supply. For example, when the power lamp is turned on, the inverter is indicated to be connected to the power source, or when the power lamp is turned off, the inverter is indicated to be not connected to the power source.
Further, the frequency conversion cabinet also comprises a lightning protection device installed on the cabinet body. Wherein, the lightning protection device is connected on the connecting line between the air switch and the frequency converter. The lightning protection device is connected to a connecting line between the air switch and the frequency converter, so that the influence of indirect lightning and direct lightning or other surge of instantaneous overvoltage can be protected. In fig. 3b, (3) is denoted as a lightning protector.
Further, the frequency conversion cabinet also comprises a switch power supply installed on the cabinet body. Wherein, the switching power supply is electrically connected with the frequency converter. In specific implementation, the switching power supply can realize the on-off control of the frequency converter. In fig. 3b, (4) and KA in fig. 4 denote switching power supplies.
Further, the frequency conversion cabinet also comprises a plurality of control switches. The control switches are electrically connected with the frequency converter and used for controlling the working state of the frequency converter. For example, as shown in fig. 4, the plurality of control switches may include a local/remote control switch SQ1, a forward rotation start control switch SQ2, a fail-over control switch SQ3, and a water shortage alarm control switch K1.
In a specific implementation, the local/remote control switch SQ1 is used to switch the operation mode of the inverter, for example, when the local/remote control switch SQ1 is turned off, the inverter switches the remote control mode, and when the local/remote control switch SQ1 is turned off, the inverter switches the local control mode. When the forward rotation starting control switch SQ2 is closed, the frequency converter starts the water pump in a forward rotation mode. When the fault reset switch SQ3 is closed, the frequency converter realizes fault reset. When the water shortage alarm control switch K1 is closed, the frequency converter carries out water shortage alarm.
In specific implementation, the frequency converter can also support 485 serial port communication. For example, as shown in fig. 4, the frequency converter may perform serial communication via a 485 signal line a and a 485 signal line B.
To sum up, utility model's beneficial effect as follows:
the utility model provides an among the constant voltage water supply frequency conversion system, the converter passes through the liquid level data that liquid level controller gathered the cistern to realize the liquid level control of cistern. The frequency converter collects water supply pressure in a water supply pipeline and on one side of a water end of a user through the pressure sensor, and displays the water supply pressure collected by the pressure sensor through the pressure gauge so as to monitor the water consumption of the user. The frequency converter is used for controlling the operating frequency of the water pump according to the water supply pressure, so that the water supply pressure of the water supply pipeline can meet the actual water demand of a user at any time, the purpose of 'how much water is used and how much water is supplied' is realized, and the energy-saving effect is achieved. The frequency converter carries out wireless communication with the remote monitoring terminal through the wireless communication equipment, can realize local and long-range dual control, and careless a large amount of costs of labor consume can reduce the cost of labor.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. The utility model provides a constant pressure water supply frequency conversion system which characterized in that includes: the system comprises a frequency conversion cabinet, a liquid level controller, a water pump, a water pressure sensor, a pressure gauge and a remote monitoring terminal; wherein the content of the first and second substances,
the frequency conversion cabinet comprises a cabinet body, a frequency converter and wireless communication equipment, wherein the frequency converter and the wireless communication equipment are arranged in the cabinet body, the frequency converter is electrically connected with the wireless communication equipment, and the remote monitoring terminal is in wireless communication connection with the wireless communication equipment;
the liquid level controller the water pump the water pressure sensor with the manometer respectively with converter electric connection, the liquid level controller is established in the cistern, the water pump the water pressure sensor with the manometer is installed respectively with on the water supply pipe of cistern intercommunication.
2. The system of claim 1, wherein the inverter cabinet further comprises a control panel mounted on the cabinet body, the control panel being electrically connected to the inverter.
3. The system of claim 1, wherein the level controller is a float switch.
4. The system of claim 1, wherein the wireless communication device is a DTU device.
5. The system of claim 4, wherein the inverter cabinet further comprises an intermediate relay mounted on the cabinet body, the intermediate relay being connected on a connection line between the wireless communication device and the inverter.
6. The system of claim 1, wherein the frequency conversion cabinet further comprises a buzzer mounted on the cabinet body, the buzzer being electrically connected to the frequency converter.
7. The system according to any one of claims 1-6, wherein the inverter cabinet further comprises an air switch mounted on the cabinet body, an input end of the air switch is electrically connected with a utility grid, and an output end of the air switch is electrically connected with the inverter.
8. The system of claim 7, wherein the inverter cabinet further comprises a lightning protector mounted on the cabinet body, the lightning protector being connected to a connection line between the air switch and the inverter.
9. The system according to any one of claims 1-6, wherein the inverter cabinet further comprises a switching power supply mounted on the cabinet body, the switching power supply being electrically connected to the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222870304.6U CN218713532U (en) | 2022-10-28 | 2022-10-28 | Constant-pressure water supply frequency conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222870304.6U CN218713532U (en) | 2022-10-28 | 2022-10-28 | Constant-pressure water supply frequency conversion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218713532U true CN218713532U (en) | 2023-03-24 |
Family
ID=85594635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222870304.6U Active CN218713532U (en) | 2022-10-28 | 2022-10-28 | Constant-pressure water supply frequency conversion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218713532U (en) |
-
2022
- 2022-10-28 CN CN202222870304.6U patent/CN218713532U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204099173U (en) | A kind of water pump controller | |
| CN201533194U (en) | Automatic on/off switching electric appliance | |
| CN203258794U (en) | Low-standby-power-consumption air conditioner intelligent control system | |
| CN111459113A (en) | Intelligent socket for household appliance and power supply control system | |
| CN218713532U (en) | Constant-pressure water supply frequency conversion system | |
| CN203215919U (en) | Low-power-consumption standby circuit device and air conditioner | |
| CN202488207U (en) | Intelligent automatic changer-over switch controller | |
| CN106088246B (en) | A kind of intelligence pump control system | |
| CN112087053A (en) | Equipment power supply control system based on router | |
| JP2006087158A (en) | Energy saving activity assisting system | |
| CN205410888U (en) | Water dispenser | |
| CN212181309U (en) | Intelligent socket for household appliance and power supply control system | |
| CN202916621U (en) | Electronic controller of circuit breaker | |
| CN201248210Y (en) | Intelligent control cabinet for communication machinery room | |
| CN202720485U (en) | Frequency energy-saving control cabinet | |
| CN218037781U (en) | Automatic liquid material supply control system | |
| CN206698011U (en) | Standby electric business business agrees with system | |
| CN214673256U (en) | Intelligent protection plug for electric water heater and electric water heater | |
| CN220725248U (en) | Secondary water supply equipment | |
| CN210534308U (en) | Commercial power outage monitoring devices and equipment | |
| CN206517141U (en) | Domestic solar electric power system | |
| CN204984822U (en) | High pressure water pump control box | |
| CN216131469U (en) | Wisdom water utilities engineering is with tap that has monitoring function that leaks | |
| CN213634146U (en) | Sewage treatment control system | |
| CN211043972U (en) | Multistage pump control system of intelligence stainless steel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |