CN203821492U - Frequency conversion control cabinet - Google Patents
Frequency conversion control cabinet Download PDFInfo
- Publication number
- CN203821492U CN203821492U CN201420063466.1U CN201420063466U CN203821492U CN 203821492 U CN203821492 U CN 203821492U CN 201420063466 U CN201420063466 U CN 201420063466U CN 203821492 U CN203821492 U CN 203821492U
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- China
- Prior art keywords
- water
- frequency
- negative pressure
- cabinet
- frequency converter
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- Expired - Fee Related
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Abstract
The utility model provides a frequency conversion control cabinet. The frequency conversion control cabinet comprises a cabinet body and a frequency converter arranged in the cabinet body; a panel is arranged outside the cabinet body; the bottom of the cabinet body is provided with a base; the bottom, close to the base, of the cabinet body is provided with radiating holes; the frequency converter is connected with an electrical component; the frequency converter is electrically connected with the electrical component; the electrical component is arranged in the cabinet body; the panel is provided with a voltmeter, an ampere meter, a variable frequency operation indicator light, a power frequency indicator light, an operation stop light, a fault indicator light, a variable frequency/operation button, a stop button and a frequency converter control panel voltage change-over switch; the panel is connected with a touch screen display. The frequency conversion control cabinet is simple in structure, can be used for frequency control over non-negative pressure water supply equipment, and is more environment-friendly and energy-saving.
Description
Technical field
The utility model relates to frequency converter field, is specifically related to a kind of frequency-conversion control cabinet for non-negative pressure water-supply installation.
Background technology
Fast development along with electronic technology, variable-frequency control technique increasingly mature, the relative decline of frequency converter price, frequency converter has obtained using more and more widely, but its professional carries out on-the-spot design, installation, debugging and must train user of service, the cycle is long and loaded down with trivial details.
Therefore, many frequency converter installation and maintenance are all very inconvenient, and in water supply field, traditional second pressure water supply mode, be in the tap water of city planting ductwork is introduced the pond or water tank pump house, via force (forcing) pump, to user, supply water, the hydraulic pressure on former city planting ductwork is wasted completely.If fetched water and water pump is directly connected on city planting ductwork, can make again pipe network produce negative pressure, affect other user's waters of periphery.
Therefore, need a kind of installation, safeguard all frequency-conversion control cabinet very easily, realize frequency conversion, speed governing water supply, reach energy-conservation object.
Utility model content
The purpose of this utility model is for the above-mentioned problems in the prior art, the frequency-conversion control cabinet that provides a kind of intelligent operation, frequency control non-negative pressure water-supply installation energy-efficient, hygienic environment-protecting to use.
Concrete, the utility model provides a kind of frequency-conversion control cabinet, the frequency converter that it comprises cabinet and is arranged on cabinet inside, described cabinet outer setting has panel, the bottom of described cabinet is provided with base, the bottom of described cabinet is provided with heat elimination hole near the part of described base, described frequency converter is connected with electric elements, described frequency converter is electrically connected to described electric elements, it is inner that described electric elements are arranged on described cabinet, on described panel, be provided with voltmeter, ammeter, converting operation indicator lamp, power frequency operation indicator lamp, operation stopping light, malfunction indicator lamp, frequency conversion/operation button, stop button and Frequency Converter Control dish voltage change-over switch, described panel is connected with touch-screen display.
Preferably, described touch-screen display is arranged on the top of described cabinet.
Preferably, a kind of non-negative pressure water-supply installation that is provided with described frequency-conversion control cabinet, it comprises non-negative pressure stabilized tank, switch board, water inlet pipe, outlet pipe, a plurality of water pump and vacuum tank, described non-negative pressure stabilized tank connects water inlet, between described water inlet and described non-negative pressure stabilized tank, is disposed with ductwork pressure checkout gear, strainer and backflow preventer; The water inlet end of described non-negative pressure stabilized tank is provided with vacuum suppresser, equipment hanger and for measuring the liquid level sensor of water level, the water side of described non-negative pressure stabilized tank is provided with delivery port, support, cleaning blowoff valve and blow vent; Described delivery port connects described water inlet pipe, and described water inlet pipe connects described outlet pipeline, between described water inlet pipe and described outlet pipe, is provided with vacuum tank, a plurality of water pump and bypass pipe, and described a plurality of water pumps connect respectively described switch board.
Preferably, described vacuum suppresser and described liquid level sensor all connect described switch board.
Preferably, the quantity of described water pump is 2-6 platform.
Preferably, in described frequency-conversion control cabinet, be provided with frequency converter, the quantity of described frequency converter is 1-5 platform.
Preferably, the quantity of described water pump is 4, and the quantity of described frequency converter is 2.
Between described a plurality of water pump and described water inlet pipe, be provided with valve, between described a plurality of water pumps and described outlet pipe, be disposed with the pipeline that is flexible coupling, flap valve and valve.
Between described vacuum tank and described water inlet pipe, be provided with valve, between described vacuum tank and described outlet pipe, be disposed with flap valve and valve.
On described bypass pipe, between described water inlet pipe and described outlet pipe, be disposed with flap valve and valve.
Described outlet pipe is connected with pressure sensor and overpressure protection apparatus, and described pressure sensor and overpressure protection apparatus connect respectively described switch board.
Preferably, described water pump is provided with motor, and described water pump is stainless steel centrifugal multistage pump multiple centrifugal pump.
Advantage of the present utility model has:
1, the frequency-conversion control cabinet that the utility model provides is to take the independent converter plant that frequency converter is core, in use, only needs access external cable, install and maintenance all very convenient.
2, compared with prior art, the non-negative pressure water-supply installation that the utility model provides has replaced traditional water tank, pond with non-negative pressure stabilized tank, saves construction investment, the secondary pollution of having avoided quoting water, hygienic environment-protecting.Can directly not come grid to produce negative pressure to municipal administration simultaneously, utilize to greatest extent the municipal original pressure that directly carrys out grid, energy-efficient, pump house customer interrupted still has water.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that is provided with non-negative pressure water-supply installation of the present utility model.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is further explained:
As shown in Figure 1, the utility model provides a kind of frequency-conversion control cabinet, it comprises cabinet 61 and the frequency converter that is arranged on cabinet 61 inside, cabinet 61 outer setting have panel 62, the bottom of cabinet 61 is provided with base 63, the bottom of cabinet 61 is provided with heat elimination hole 64 near the part of base 63, frequency converter is connected with electric elements, frequency converter is electrically connected to electric elements, electric elements are arranged on the inside of cabinet 61, on panel 62, be provided with voltmeter 620, ammeter 621, converting operation indicator lamp 622, power frequency operation indicator lamp 623, operation stopping light 624, malfunction indicator lamp 625, frequency conversion button 626, operation button 627, stop button 628 and Frequency Converter Control dish voltage change-over switch 629, panel 62 is connected with touch-screen display 65.
Preferably, touch-screen display 65 is arranged on the top of cabinet 61.
As shown in Figure 2, this non-negative pressure water-supply installation comprises non-negative pressure stabilized tank 1, switch board 6, water inlet pipe 3, outlet pipe 5, some water pumps 4 and vacuum tank 10, non-negative pressure stabilized tank 1 is provided with water inlet end 110 with water side 111, and non-negative pressure stabilized tank 1, water inlet pipe 3, outlet pipe 5, some water pumps 4 and vacuum tank 10 connect into complete equipment, liquid level sensor 7 in its non-negative pressure stabilized tank, electro connecting pressure gauge 9 on inlet pipeline, pressure sensor 8 on outlet pipeline, some water pumps 4 are all connected with switch board 6, thereby realize Based Intelligent Control frequency control.The number of units of water pump 4 is 2 to 6, and in the present embodiment, the number of units of water pump 4 is 3, and water pump 4 is stainless steel vertical multi-stage centrifugal pump.
Between the water inlet end of municipal tap water pipe and non-negative pressure stabilized tank 1, be disposed with ductwork pressure checkout gear 15, strainer 17 and backflow preventer 18, on the water inlet end of non-negative pressure stabilized tank 1, be provided with equipment hanger 19 and liquid level sensor 7, on the water side of non-negative pressure stabilized tank 1, be provided with and clean blowoff valve 20 and blow vent 21.On the outlet pipe 5 of non-negative pressure water-supply installation, be provided with overpressure protection apparatus 16.
Switch board 6 is frequency-conversion control cabinet, is provided with frequency converter in frequency-conversion control cabinet, and the quantity of frequency converter is 1-5 platform.Electro connecting pressure gauge 9, the pressure sensor 8 on outlet pipeline, some water pumps 4 on switch board difference connecting fluid level sensor 7, inlet pipeline.
Between water inlet pipe 3 and outlet pipe 5, be provided with vacuum tank 10, a plurality of water pump 4 and bypass pipe 14, a plurality of water pumps 4 connect respectively switch board 6.Between a plurality of water pumps 4 and water inlet pipe 3, be provided with valve 12, between a plurality of water pumps 4 and outlet pipe 5, be disposed with the pipeline 13 that is flexible coupling, flap valve 11 and valve 12.Between vacuum tank 10 and water inlet pipe 3, be provided with valve, between vacuum tank 10 and outlet pipe 5, be disposed with flap valve 11 and valve 12.On bypass pipe 14, between water inlet pipe 3 and outlet pipe 5, be disposed with flap valve 11 and valve 12.
Non-negative pressure stabilized tank 1, water inlet pipe 3, outlet pipe 5, valve 12, flap valve 11, be flexible coupling 13, water pump 4, vacuum tank 10, be stainless steel (304 material) manufacture, guarantee tap water quality non-secondary pollution.
Below the operating principle of non-negative pressure water-supply installation is further explained:
Non-negative pressure stabilized tank 1 in this non-negative pressure water-supply installation is directly connected with municipal tap water pipe network, water enters and is stored in non-negative pressure stabilized tank 1 from water inlet, by vacuum suppresser 2, suppress vacuum, can not produce negative pressure to municipal tap water pipe network, when the straight water ductwork pressure of municipal administration is enough, pressure sensor 8 is passed to frequency-conversion control cabinet 6 by the detected pressure value that the water side of outlet pipeline 5 detected, the water pump 4 that frequency-conversion control cabinet 6 is controlled cuts out, and the bypass pipe 14 with municipal tap water by inlet and outlet pipe directly supplies water to user.When the straight water ductwork pressure of municipal administration is not enough, pressure sensor 8 is passed to frequency-conversion control cabinet 6 by the detected pressure value of water side, frequency-conversion control cabinet 6 compares detected pressure value and setting value, calculate the force value that needs supercharging on original pressure-based of municipal tap water pipe network, determine number of units and water pump 4 frequency conversion output valves (pump rotary speed and frequency change) that water pump 4 puts into operation, to meet water curve, realize constant voltage.When municipal administration directly comes grid short-term to cut off the water or when water supply volume is greater than output, the interior storage water of non-negative pressure stabilized tank 1 replenish user is used; When the interior storage water of non-negative pressure stabilized tank 1 reaches in limited time lower, liquid level sensor 7, electro connecting pressure gauge 9 are passed to switch board 6 by signal, frequency-conversion control cabinet 6 powered-downs, equipment quits work, when municipal administration directly comes grid recover pressure and supply water, the water level of the storage water in non-negative pressure stabilized tank 1 rises, and liquid level sensor 7, electro connecting pressure gauge 9 are passed to frequency-conversion control cabinet 6 by signal, frequency-conversion control cabinet 6 power-on, equipment is resumed work.
Vacuum suppresser 2 in this frequency control non-negative pressure water-supply installation in non-negative pressure stabilized tank is stainless steel (304 material) manufacture.Stable performance, guarantees to suppress vacuum.
In this frequency control non-negative pressure water-supply installation, the number of units of the interior configuration frequency converter of switch board 6 is 1 to 5, in the present embodiment, water pump 4 number of units are 3, belong to dual-purpose one for type, and the number of units of the interior configuration frequency converter of switch board 6 is 2, make 2 work water pumps all in variable frequency water supply mode, more energy-conservation.
Advantage of the present utility model has: compared with prior art, this frequency control non-negative pressure water-supply installation has replaced traditional water tank, pond with non-negative pressure stabilized tank, saves construction investment, the secondary pollution of having avoided quoting water, hygienic environment-protecting.Can directly not come grid to produce negative pressure to municipal administration simultaneously, utilize to greatest extent the municipal original pressure that directly carrys out grid, energy-efficient, pump house customer interrupted still has water.
Person of ordinary skill in the field is to be understood that: in the situation that not departing from basic principle of the present utility model; can carry out various modifications, retouching, combination to the utility model, supplement or the replacement of technical characterictic, these are equal to substitute mode or within obviously mode of texturing all falls into protection domain of the present utility model.
Claims (7)
1. a frequency-conversion control cabinet, it is characterized in that: the frequency converter that it comprises cabinet and is arranged on cabinet inside, described cabinet outer setting has panel, the bottom of described cabinet is provided with base, the bottom of described cabinet is provided with heat elimination hole near the part of described base, described frequency converter is connected with electric elements, described frequency converter is electrically connected to described electric elements, it is inner that described electric elements are arranged on described cabinet, on described panel, be provided with voltmeter, ammeter, converting operation indicator lamp, power frequency operation indicator lamp, operation stopping light, malfunction indicator lamp, frequency conversion/operation button, stop button and Frequency Converter Control dish voltage change-over switch, described panel is connected with touch-screen display.
2. frequency-conversion control cabinet according to claim 1, is characterized in that: described touch-screen display is arranged on the top of described cabinet.
3. a non-negative pressure water-supply installation that is provided with the frequency-conversion control cabinet described in claim 1 or 2, it is characterized in that: it comprises non-negative pressure stabilized tank, switch board, water inlet pipe, outlet pipe, a plurality of water pump and vacuum tank, described non-negative pressure stabilized tank connects water inlet, between described water inlet and described non-negative pressure stabilized tank, is disposed with ductwork pressure checkout gear, strainer and backflow preventer; The water inlet end of described non-negative pressure stabilized tank is provided with vacuum suppresser, equipment hanger and for measuring the liquid level sensor of water level, the water side of described non-negative pressure stabilized tank is provided with delivery port, support, cleaning blowoff valve and blow vent; Described delivery port connects described water inlet pipe, and described water inlet pipe connects described outlet pipeline, between described water inlet pipe and described outlet pipe, is provided with vacuum tank, a plurality of water pump and bypass pipe, and described a plurality of water pumps connect respectively described switch board.
4. non-negative pressure water-supply installation according to claim 3, is characterized in that: described vacuum suppresser and described liquid level sensor all connect described switch board.
5. non-negative pressure water-supply installation according to claim 3, is characterized in that: the quantity of described water pump is 2-6 platform.
6. non-negative pressure water-supply installation according to claim 3, is characterized in that: the quantity of described frequency converter is 1-5 platform.
7. non-negative pressure water-supply installation according to claim 3, is characterized in that: the quantity of described water pump is 4, and the quantity of described frequency converter is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063466.1U CN203821492U (en) | 2014-02-12 | 2014-02-12 | Frequency conversion control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420063466.1U CN203821492U (en) | 2014-02-12 | 2014-02-12 | Frequency conversion control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203821492U true CN203821492U (en) | 2014-09-10 |
Family
ID=51477009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420063466.1U Expired - Fee Related CN203821492U (en) | 2014-02-12 | 2014-02-12 | Frequency conversion control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203821492U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612204A (en) * | 2014-12-19 | 2015-05-13 | 东莞华宝水处理设备有限公司 | Non-negative pressure water supply plant |
| CN105007653A (en) * | 2015-06-19 | 2015-10-28 | 中山顺富节能科技有限公司 | Intelligent street lamp power-saving case |
| CN105259815A (en) * | 2015-11-03 | 2016-01-20 | 孙兴颂 | Special energy-saving controller of plastic filament collecting machine and application method |
-
2014
- 2014-02-12 CN CN201420063466.1U patent/CN203821492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612204A (en) * | 2014-12-19 | 2015-05-13 | 东莞华宝水处理设备有限公司 | Non-negative pressure water supply plant |
| CN105007653A (en) * | 2015-06-19 | 2015-10-28 | 中山顺富节能科技有限公司 | Intelligent street lamp power-saving case |
| CN105259815A (en) * | 2015-11-03 | 2016-01-20 | 孙兴颂 | Special energy-saving controller of plastic filament collecting machine and application method |
| CN105259815B (en) * | 2015-11-03 | 2017-10-24 | 孙兴颂 | Plastic filament collecting machine energy-saving controller and application process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160212 |