CN204570799U - A kind of Isobarically Control equipment for workshop punching press water circulation system - Google Patents
A kind of Isobarically Control equipment for workshop punching press water circulation system Download PDFInfo
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- CN204570799U CN204570799U CN201520184296.7U CN201520184296U CN204570799U CN 204570799 U CN204570799 U CN 204570799U CN 201520184296 U CN201520184296 U CN 201520184296U CN 204570799 U CN204570799 U CN 204570799U
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- water pump
- frequency conversion
- workshop
- circulating water
- pipeline
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Abstract
The utility model relates to a kind of Isobarically Control equipment for workshop punching press water circulation system, comprising: frequency conversion circulating water pump, be located in the pipeline of water circulation system, and output is connected with workshop watering equipment; Line-pressure sensor, is located on the pipeline between frequency conversion circulating water pump and workshop watering equipment; Frequency-variable controller, is connected with line-pressure sensor and frequency conversion circulating water pump respectively.Compared with prior art, the utility model is controlled by constant pressure adjust, frequency conversion circulating water pump regulates running frequency automatically according to the change of workshop watering equipment consumption, and workshop watering equipment consumption, once reduce reduction circulating water pump running frequency automatically, effectively reduces unnecessary energy consumption.
Description
Technical field
The utility model relates to a kind of water circulation technology, especially relates to a kind of Isobarically Control equipment for workshop punching press water circulation system.
Background technology
The vehicle body circulating pump room vehicle body/punching press industrial circulating water supply of current automobile factory controls mainly through regulative mode manually, recirculated water supply channel pressure can fluctuate with the change of workshop consumption, because circulating water pressure is too high or the too low workshop appliance that all can cause is reported to the police, operations staff's not timing is now needed to pay close attention to workshop consumption and supply channel pressure condition, once find that hypotony or too high operations staff go to scene to carry out steady pressure by circulating water pump frequency adjustment.In view of pump house and energy centre janitor's room physical location span larger, be difficult to accomplish to regulate in the very first time once pressure of supply water produces fluctuation, the supply of guarantee workshop appliance cycling use of water exists certain risk, and what too high pressure of supply water affected Workshop Production simultaneously also can cause unnecessary energy waste.
In view of current vehicle body/drop forging shop industrial circulating water system present situation, run human cost too high and along with certain production risk, energy waste, need to carry out Stress control to reclaimed water system, such as Chinese patent CN202689103U discloses a kind of constant voltage circulating water pipeline system, this system is made up of water tank, water pump, water main, distributive pipe, pressure controller, when hydraulic pressure in pipeline is lower than pressure controller setting value, flow all supplies each distributive pipe; When hydraulic pressure in pipeline is higher than pressure controller setting value, unnecessary flow will, by pressure controller reflow tank, to regulate the hydraulic pressure in water main, make it to keep constant.But the adjustment of number realization to pressure owing to being opened by distributive pipe at that time, thus it can not realize electrodeless adjustment.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and a kind of Isobarically Control equipment for workshop punching press water circulation system is provided.
The purpose of this utility model can be achieved through the following technical solutions:
For an Isobarically Control equipment for workshop punching press water circulation system, comprising:
Frequency conversion circulating water pump, is located in the pipeline of water circulation system, and output is connected with workshop watering equipment;
Line-pressure sensor, is located on the pipeline between frequency conversion circulating water pump and workshop watering equipment;
Frequency-variable controller, is connected with line-pressure sensor and frequency conversion circulating water pump respectively.
Described frequency conversion circulating water pump is provided with multiple altogether, multiple frequency conversion circulating water pump is located in the pipeline of water circulation system after composing in parallel frequency conversion circulating water pump assembly, and output is connected with workshop watering equipment, described line-pressure sensor is located on the pipeline between frequency conversion circulating water pump assembly and workshop watering equipment.
The pipeline on described frequency conversion circulating water pump assembly both sides is equipped with the first butterfly valve for cutting off pipeline when all frequency conversion circulating water pump maintenances.
The number of described frequency conversion circulating water pump is 4.
The pipeline on described frequency conversion circulating water pump both sides is equipped with the second butterfly valve for cutting off pipeline when this frequency conversion circulating water pump maintenance.
Pipeline between described line-pressure sensor and workshop watering equipment is provided with water attack release valve.
Described Isobarically Control equipment also comprises the vacuum tank be connected with pipeline, this vacuum tank comprises airtight tank body, be provided with the rubbery human body for tank body internal cavity being divided into water storage cavity and air chamber in this tank body, air chamber is filled with gas, water storage cavity and the pipeline connection of setting air pressure.
Compared with prior art, the utility model has the following advantages:
1) energy consumption is reduced: controlled by constant pressure adjust, frequency conversion circulating water pump regulates running frequency automatically according to the change of workshop watering equipment consumption, workshop watering equipment consumption, once reduce reduction circulating water pump running frequency automatically, effectively reduces unnecessary energy consumption.
2) workshop industrial circulating water regular supply is guaranteed: workshop watering equipment consumption is once change, circulating water pump automatically regulates running frequency under Systematical control, stablize loine pressure, avoiding workshop consumption change causes loine pressure too high or too low because operations staff regulates not in time, affects Workshop Production.
3) reduce manpower running cost, improve the efficiency of management: because the constant pressure adjust of system controls, personnel's patrolling and examining and human input that site pressure regulates and controls workshop punching press water circulation system can be effectively reduced.
4) frequency conversion circulating water pump is provided with altogether and can has larger regulating power, the water supply volume of workshop watering equipment is allowed to carry out wider fluctuation, and when one of them frequency conversion circulating water pump fault, adjustment can be compensated by other frequency conversion circulating water pump.
5) consider that the frequency converter model of four output channels is more, therefore the number of frequency conversion circulating water pump is 4, can be cost-saving to greatest extent.
6) pipeline between line-pressure sensor and workshop watering equipment is provided with water attack release valve, and when line-pressure sensor or frequency-variable controller exception, when causing loine pressure excessive, water attack release valve can protect frequency conversion circulating water pump and workshop watering equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two;
Wherein: 1, frequency conversion circulating water pump, 2, line-pressure sensor, 3, frequency-variable controller, 4, workshop watering equipment, the 5, first butterfly valve, the 6, second butterfly valve, 7, water attack release valve, 8, vacuum tank, 9, motor operated valve.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment one:
For an Isobarically Control equipment for workshop punching press water circulation system, as shown in Figure 1, comprising:
Frequency conversion circulating water pump 1, is located in the pipeline of water circulation system, and output is connected with workshop watering equipment 4, for regulating loine pressure;
Line-pressure sensor 2, is located on the pipeline between frequency conversion circulating water pump 1 and workshop watering equipment 4, for signal piping pressure;
Frequency-variable controller 3, is connected with line-pressure sensor 2 and frequency conversion circulating water pump 1 respectively, for adopting PID mode to regulate frequency and then the control piper pressure stability of frequency conversion circulating water pump 1 according to loine pressure.
Frequency conversion circulating water pump 1 is provided with multiple altogether, be preferably 4, all frequency conversion circulating water pump 1 are located in the pipeline of water circulation system after composing in parallel frequency conversion circulating water pump 1 assembly, and output is connected with workshop watering equipment 4, line-pressure sensor 2 is located on the pipeline between frequency conversion circulating water pump 1 assembly and workshop watering equipment 4, when one of them frequency conversion circulating water pump 1 fault, adjustment can be compensated by other frequency conversion circulating water pump 1.
The pipeline on frequency conversion circulating water pump 1 assembly both sides is equipped with the first butterfly valve 5 for cutting off pipeline when all frequency conversion circulating water pump 1 overhaul.
The pipeline on frequency conversion circulating water pump 1 both sides is equipped with the second butterfly valve 6 for cutting off pipeline when this frequency conversion circulating water pump 1 overhauls.
Pipeline between line-pressure sensor 2 and workshop watering equipment 4 is provided with water attack release valve 7; when line-pressure sensor 2 or frequency-variable controller 3 exception; when causing loine pressure excessive, water attack release valve 7 can protect frequency conversion recirculated water 1 pump and workshop watering equipment 4.
When workshop watering equipment 4 consumption changes, cause the pressure oscillation at line-pressure sensor 2 place, pressure sensor 2 by change after pressure feedback to frequency-variable controller 3, frequency-variable controller 3 is based on given PID regulated value, according to the pressure signal feedback that pressure sensor 2 gathers, the running frequency of real-time adjustment frequency conversion circulating water pump 1, makes the pressure stability supplied water for workshop watering equipment 4 at setting range.
Adopt the utility model Isobarically Control equipment can bring good economic benefit, be specially: 20KWH/ hour * 24 hours * 30 days * 0.68 yuan/KWH=9792 yuan, monthly totally 9792 yuans.
Embodiment two:
No longer describe with the something in common in embodiment one in the present embodiment, only describe difference.
The significant difference of the present embodiment compared with embodiment one is, as shown in Figure 2, in the present embodiment, Isobarically Control equipment also comprises the vacuum tank 8 be connected with pipeline, this vacuum tank 8 comprises airtight tank body, the rubbery human body for tank body internal cavity being divided into water storage cavity and air chamber is provided with in this tank body, air chamber is filled with the gas of setting air pressure, water storage cavity and pipeline connection, tank body is the tank body be made up of the material that heat conductivility is good, and the setting air pressure of the gas that air chamber is pre-charged with is consistent with the target hydraulic pressure of pipeline.
In addition, in the present embodiment, Isobarically Control equipment also comprises the motor operated valve 9 be connected with pipeline, before vacuum tank 8 and motor operated valve 9 are positioned at frequency conversion circulating water pump 1 with the access point of pipeline, before wherein the access point of vacuum tank 8 is positioned at motor operated valve 9, motor operated valve 9 other end is connected with high service pipe network.
When hydraulic pressure in pipeline reduces, be that pipeline moisturizing is to keep water pressure invariableness in pipeline in the effect feed line of the water in water storage cavity by the air pressure of air chamber side.
Because tank body is the tank body be made up of the material that heat conductivility is good, therefore when same air cavity volume, the change of pressure can be less, that is: when identical rate of water make-up, in pipeline, the variable quantity of hydraulic pressure can be less.
Be vertically arranged with the travel switch opened for controlling water compensating valve between rubbery human body and inner tank wall, the trip switch slides by rubbery human body traction and is connected with motor operated valve, and travel switch has upper and lower bound.
Closed cycle water has vacuum tank 8 to carry out voltage stabilizing under normal circumstances, after occurring leaking, vacuum tank 8 meeting slow release, after all releasing, leak and still unresolvedly will to occur in pipeline that hydraulic pressure declines, when reduction to a certain degree, motor operated valve can be opened automatically, in high service pipe network, the water of elevated pressures can fill into closed circle water system rapidly, maintains system pressure and stablizes.
Claims (7)
1., for an Isobarically Control equipment for workshop punching press water circulation system, it is characterized in that, comprising:
Frequency conversion circulating water pump, is located in the pipeline of water circulation system, and output is connected with workshop watering equipment;
Line-pressure sensor, is located on the pipeline between frequency conversion circulating water pump and workshop watering equipment;
Frequency-variable controller, is connected with line-pressure sensor and frequency conversion circulating water pump respectively.
2. a kind of Isobarically Control equipment for workshop punching press water circulation system according to claim 1, it is characterized in that, described frequency conversion circulating water pump is provided with multiple altogether, multiple frequency conversion circulating water pump is located in the pipeline of water circulation system after composing in parallel frequency conversion circulating water pump assembly, and output is connected with workshop watering equipment, described line-pressure sensor is located on the pipeline between frequency conversion circulating water pump assembly and workshop watering equipment.
3. a kind of Isobarically Control equipment for workshop punching press water circulation system according to claim 2, is characterized in that, the pipeline on described frequency conversion circulating water pump assembly both sides is equipped with the first butterfly valve for cutting off pipeline when all frequency conversion circulating water pump maintenances.
4. a kind of Isobarically Control equipment for workshop punching press water circulation system according to claim 2, is characterized in that, the number of described frequency conversion circulating water pump is 4.
5. a kind of Isobarically Control equipment for workshop punching press water circulation system according to claim 1, is characterized in that, the pipeline on described frequency conversion circulating water pump both sides is equipped with the second butterfly valve for cutting off pipeline when this frequency conversion circulating water pump maintenance.
6. a kind of Isobarically Control equipment for workshop punching press water circulation system according to claim 1, it is characterized in that, the pipeline between described line-pressure sensor and workshop watering equipment is provided with water attack release valve.
7. according to a kind of Isobarically Control equipment for workshop punching press water circulation system in claim 1-6 described in arbitrary, it is characterized in that, described Isobarically Control equipment also comprises the vacuum tank be connected with pipeline, this vacuum tank comprises airtight tank body, the rubbery human body for tank body internal cavity being divided into water storage cavity and air chamber is provided with in this tank body, described air chamber is filled with the gas of setting air pressure, described water storage cavity and pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184296.7U CN204570799U (en) | 2015-03-30 | 2015-03-30 | A kind of Isobarically Control equipment for workshop punching press water circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184296.7U CN204570799U (en) | 2015-03-30 | 2015-03-30 | A kind of Isobarically Control equipment for workshop punching press water circulation system |
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| Publication Number | Publication Date |
|---|---|
| CN204570799U true CN204570799U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184296.7U Expired - Fee Related CN204570799U (en) | 2015-03-30 | 2015-03-30 | A kind of Isobarically Control equipment for workshop punching press water circulation system |
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| CN (1) | CN204570799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805885A (en) * | 2015-03-30 | 2015-07-29 | 宁波杭州湾新区祥源动力供应有限公司 | Constant pressure control device for flushing water circulating system of workshop |
-
2015
- 2015-03-30 CN CN201520184296.7U patent/CN204570799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104805885A (en) * | 2015-03-30 | 2015-07-29 | 宁波杭州湾新区祥源动力供应有限公司 | Constant pressure control device for flushing water circulating system of workshop |
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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: 20150819 Termination date: 20200330 |