CN208650172U - Construction remote variable frequency constant pressure pump group - Google Patents
Construction remote variable frequency constant pressure pump group Download PDFInfo
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- CN208650172U CN208650172U CN201821041615.9U CN201821041615U CN208650172U CN 208650172 U CN208650172 U CN 208650172U CN 201821041615 U CN201821041615 U CN 201821041615U CN 208650172 U CN208650172 U CN 208650172U
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Abstract
The utility model provides a kind of construction remote variable frequency constant pressure pump group, including water tank, outfall sewer, variable frequency pump, motor-driven valve, vacuum tank and fugitive dust monitoring device；Water tank is formed with water outlet, outfall sewer is connected to water outlet, variable frequency pump is connected to outfall sewer by pipeline, motor-driven valve is connected to the output end of the first variable frequency pump by the first water pipe, the water inlet end of vacuum tank is connected to the first water pipe by the second water pipe, and fugitive dust monitoring device is electrically connected to motor-driven valve.Using the remote variable frequency constant pressure pump group of the construction in the utility model, motor-driven valve can be opened, realizes the conducting for being connected to the first water pipe of variable frequency pump, spray dust's operation of frequency conversion water when fugitive dust concentration is greater than or equal to predetermined concentration at the construction field (site)；Structure is simple, convenient for operation.
Description
Technical field
The utility model relates to the realm of building construction more particularly to a kind of construction remote variable frequency constant pressure pump groups.
Background technique
The waterworks of traditional architecture construction site mainly include that reservoir, power frequency high voltage water pump, pipe network, return water etc. are several
Part needs water by primary or multiple be docked with by power frequency high voltage water pump by the water in reservoir according to different needs
Region in each workshop section and not always needs research on maximum utilized quantity because of construction water, and therefore, it is necessary to " return water " dress is set beside high-pressure hydraulic pump
It sets, extra water is discharged, " return water " amount is about the half of water supply to one third, and energy loss is larger, unfavorable
In energy conservation and environmental protection.Special messenger can be needed to be responsible for the unlatching of valve there is a phenomenon where hydraulic pressure deficiency and water are inadequate during actual construction
Degree is required with meeting with water, wastes human cost, reliability is low and adjustment speed lags；In operation, due to water pump
Water hammer can be generated by frequent opening and closing, water hammer can generate impact to water pipe and equipment, reduce making for equipment
With the service life, the failure rate of equipment is increased；Also, current construction site fugitive dust problem is than more prominent, to ambient enviroment and
Operating personnel's health causes damages；Therefore, it is also desirable to carry out real-time monitoring to construction site fugitive dust situation, and raising
When dust concentration is greater than or equal to setting value, automatic water jetting reaches depositing dust effect.
Utility model content
In view of the foregoing, the utility model provides a kind of construction remote variable frequency constant pressure pump group.When construction site
When fugitive dust concentration is greater than or equal to predetermined concentration, control motor-driven valve is opened, water pipe conducting, variable frequency pump automatic spray depositing dust, together
Shi Liyong vacuum tank can also guarantee the stability of variable frequency pump output pressure, avoid that water hammer occurs.
To achieve the above object, the utility model discloses a kind of construction remote variable frequency constant pressure pump groups, comprising:
Water tank, the water tank are formed with water outlet；
Outfall sewer is connected to the water outlet；
Variable frequency pump, the variable frequency pump are connected to the outfall sewer by pipeline；
Motor-driven valve, the motor-driven valve are connected to the output end of the variable frequency pump by the first water pipe；
The water inlet end of vacuum tank, the vacuum tank is connected to first water pipe by the second water pipe；And
Fugitive dust monitoring device is electrically connected to the motor-driven valve.
The utility model has the beneficial effects that:
1. being monitored in real time to the fugitive dust concentration of construction site using fugitive dust monitoring device, when fugitive dust concentration is greater than
Or when being equal to fugitive dust setting concentration, control motor-driven valve is opened, and realizes the conducting for being connected to the first water pipe of frequency conversion level, frequency conversion water
Pump spray dust.
2. the water inlet end of vacuum tank is connected to the first water pipe by the second water pipe, i.e., connect with the output end of variable frequency pump
It is logical, stablize the pressure of the output end of variable frequency pump using vacuum tank, play buffering hydraulic pressure, avoids water hammer and its right
The influence of water pipe and variable frequency pump extends the service life of equipment.
The utility model it is a kind of construction with remote variable frequency constant pressure pump group further improvement lies in that, set on first water pipe
There is check-valves, the input terminal of the check-valves is connected to the output end of the variable frequency pump, the output end connection of the water check valve
In the motor-driven valve.
The utility model it is a kind of construction with remote variable frequency constant pressure pump group further improvement lies in that, set on the outfall sewer
There is the first shut-off valve.
The utility model it is a kind of construction with remote variable frequency constant pressure pump group further improvement lies in that, further include the second cut-off
Valve, the water tank are formed with water inlet, and second shut-off valve is connected to the water inlet by water inlet manifold.
The utility model it is a kind of construction with remote variable frequency constant pressure pump group further improvement lies in that, set on the water inlet manifold
There is filter plant.
The utility model it is a kind of construction with remote variable frequency constant pressure pump group further improvement lies in that, further include pressure inverting
Device, the water inlet end of the pressure transmitter are connected to the output end of the variable frequency pump, and the pressure transmitter is electrically connected to institute
State variable frequency pump.
A kind of further improvement of construction remote variable frequency constant pressure pump group of the utility model is, including multiple changes
Frequency water pump a, wherein variable frequency pump is connected to the motor-driven valve by first water pipe.
The utility model it is a kind of construction with remote variable frequency constant pressure pump group further improvement lies in that, further include body structure,
The body structure inner hollow, the water tank and the variable frequency pump are installed on the inside of the body structure, the case
Humiture control equipment is installed in body structure.
The utility model it is a kind of construction with remote variable frequency constant pressure pump group further improvement lies in that, further include spare water inlet
Pipe, is connected to the outfall sewer.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of construction remote variable frequency constant pressure pump group of the utility model.
Fig. 2 is the enlarged diagram in Fig. 1 at A.
Fig. 3 is control planning schematic diagram between fugitive dust monitoring system and the first variable frequency pump in the utility model.
Specific embodiment
For the benefit of to the understanding of the utility model, it is illustrated with reference to the accompanying drawings and embodiments.
Refering to fig. 1 with Fig. 2 it is found that the utility model discloses a kind of construction remote variable frequency constant pressure pump groups, comprising: water storage
Tank 1, outfall sewer 14, variable frequency pump (including the first variable frequency pump 3 and second variable frequency pump 8), motor-driven valve 31,4 and of vacuum tank
Fugitive dust monitoring device 2；Wherein, water tank 1 is formed with water outlet, and outfall sewer 14 is connected to water outlet, and variable frequency pump passes through pipe
Road is connected to outfall sewer 14, and motor-driven valve 31 is connected to the output end of variable frequency pump, the water inlet of vacuum tank 4 by the first water pipe 32
End is connected to the first water pipe 32 by the second water pipe 41, and fugitive dust prison is electrically connected to motor-driven valve 31.In the present embodiment, when fugitive dust monitors
When the fugitive dust concentration that equipment 2 monitors construction site is greater than or equal to setting concentration, control motor-driven valve 31 is opened, and realizes the first water pipe
Conducting, variable frequency pump spray dust, guarantee construction personnel's health effect (variable frequency pump is by the control on variable frequency pump
Its own work of switch control, variable frequency pump is in normally open in actual use)；By the way that the water inlet end of vacuum tank 4 is connected
The output end for passing through variable frequency pump plays the role of stable variable frequency pump output end hydraulic pressure, avoids water hammer and its to water
The influence for managing (pipeline) and variable frequency pump, extends the service life of variable frequency pump.Specifically, also being set in fugitive dust monitoring device 2
There are monitor and the first controller, the first controller is electrically connected to motor-driven valve 31, using monitor to construction site fugitive dust concentration
Be monitored, utilize the first controller control motor-driven valve opening and closing；Wherein, when the fugitive dust concentration that monitor monitors is greater than or
When equal to setting concentration, the first controller controls motor-driven valve 31 and opens, when the fugitive dust concentration that monitor monitors is dense less than setting
When spending, the first controller controls motor-driven valve 31 and closes.Further, further include the relay for controlling motor-driven valve 31 and opening and closing, utilize
First control module controls the folding of relay contact, and then controls the opening and closing of motor-driven valve 31.Motor-driven valve 31 in the utility model
The electronic steel flange ball valve of Q941F-16P can be selected.
Further, 32 it is equipped with check-valves 33 on the first water pipe, the input terminal of check-valves 33 is connected to the defeated of variable frequency pump
Outlet, the output end of water check valve 33 are connected to motor-driven valve 31.In the present embodiment, the effect of check-valves 33 is to avoid variable frequency pump
When closing, recharge occurs for the water in the first water pipe 32, then it is possible to prevente effectively from water hammer occurs.
Further, outfall sewer 14 is equipped with the first shut-off valve 36；It realizes between variable frequency pump and outfall sewer 14
On-off.
It further, further include the second shut-off valve 12, water tank 1 is formed with water inlet, and the second shut-off valve 12 passes through water inlet
General pipeline 11 is connected to water inlet.It is realized using water inlet manifold 11 and water is input in water tank 1.Preferably, on water inlet manifold 11
Equipped with filter plant 13, realizes the filtering to water, impurity is avoided to enter in water tank 1；Filter plant 13 may be selected to tear open
The bucket bag type filter unload, cleaned.
It further, further include pressure transmitter 34, the water inlet end of pressure transmitter 34 is connected to the output of variable frequency pump
End, pressure transmitter 34 are electrically connected to variable frequency pump.Specifically, being equipped in pressure transmitter 34 for measuring variable frequency pump 3
The measuring appliance of output pressure is equipped with comparator and the second control for controlling variable frequency pump revolving speed (or frequency) in variable frequency pump
Device, comparator are connected in measuring appliance, the predetermined pressure of variable frequency pump are preset in comparator；In the present embodiment, become using pressure
It send the realization of device 34 to detect the hydraulic pressure of variable frequency pump output end, and the hydraulic pressure measured is transferred to comparator, comparator will
The predetermined pressure of hydraulic pressure and variable frequency pump is compared, and compares the difference obtained between the two, second controller is according to difference control
The revolving speed (or frequency) of variable frequency pump processed is realized using pressure transmitter 34 and is monitored to the closed loop of variable frequency pump output pressure, protected
The output pressure for demonstrate,proving variable frequency pump is equal to predetermined pressure.
Further, including multiple variable frequency pumps, wherein a variable frequency pump is connected to motor-driven valve 31 by the first water pipe 32.
It further, further include body structure 7,7 inner hollow of body structure, water tank 1 and variable frequency pump are installed on case
The inside of body structure 7 is equipped with humiture control equipment on body structure 7；It is realized using humiture control equipment to cabinet knot
The adjusting of temperature and humidity in structure 7.Specifically, humiture control equipment includes being installed on body structure 7 and being connected in third
The temperature sensor 71 of controller, humidity sensor 72, exhaust fan 73, hot fan 74 etc. are respectively set using the control of third controller
Standby unlatching.
In the utility model, further includes spare water inlet pipe 15, be connected to outfall sewer 14；Preferably, spare water inlet pipe 15
It is equipped with a shut-off valve.It is also equipped with damping device inside body structure 7, variable frequency pump and is fixedly installed on damping device,
For reducing the operation vibration of variable frequency pump.Water outlet is also connected with a shut-off valve.
Embodiment one:
In the utility model, construction particularly may be divided into high area's pump group and low area's pump group with remote variable frequency constant pressure pump group, respectively
It supplies water to high empty region and low clearance area, electric energy has been saved in subregion water supply operation；Specific as shown in Figure 2: high area's pump group includes
One the first variable frequency pump, 3, two the second variable frequency pumps 8 and a vacuum tank 4, the first variable frequency pump 3 are the change of high-altitude depositing dust
Frequency water pump, two the second variable frequency pumps 8 are respectively fire-fighting variable frequency pump and maintenance variable frequency pump, the water inlet end of vacuum tank 4
It is connected to the output end of the first variable frequency pump 3, the second variable frequency pump 8 by the first water pipe 32, plays and stablizes high area's pump group hydraulic pressure
Effect；Low area's pump group includes 5, second variable frequency pumps 9 of first variable frequency pump and a vacuum tank 6, the first frequency conversion
Water pump 5 is low area's depositing dust variable frequency pump, and the second variable frequency pump 9, which is made a living, applies flexibly variable frequency pump, and 6 water inlet end of vacuum tank passes through second
Water pipe 61 is connected to the output end of the first variable frequency pump 5, the second variable frequency pump 9, plays the role of stablizing low area's pump group hydraulic pressure.
When high-altitude depositing dust variable frequency pump heavy workload, fire-fighting variable frequency pump and maintenance variable frequency pump can use
Assist its work；When low latitude depositing dust variable frequency pump heavy workload, it can use life with variable frequency pump and assist its work；Tool
There is preferable flexibility.
The input terminal of life variable frequency pump is the confession of construction site living area by living area water supplying pipe (third water pipe 83)
Water；The output end of fire-fighting variable frequency pump is the water supply of construction site fire-fighting system by fireproof water tube (third water pipe 83)；It supports
The output end of shield variable frequency pump is the water supply of construction site construction and maintenance by maintenance water supplying pipe (third water pipe 83)；Low area's depositing dust
Passing through low area's spray waterpipe (the first water pipe 32) with the output end of variable frequency pump is the water supply of low latitude depositing dust；High area's depositing dust frequency conversion water
The output end of pump is the water supply of high-altitude depositing dust by high area's spray waterpipe (the first water pipe 32).
Third water pipe 83 is connected to the output end of the second variable frequency pump 8 and is connected to the second water pipe 41, utilizes third water pipe
83 be required water supply regional water supply；Further, third water pipe 83 is equipped with third check-valves 82, the input of third check-valves 82
End is connected to the output end of the second variable frequency pump 8, and when the second variable frequency pump 8 being avoided to close, the water in third water pipe 83 occurs back
It fills, and then avoids that water hammer occurs, reduce the influence to water pipe and the second variable frequency pump 8, extend the second variable frequency pump 8
Service life.
Embodiment two:
In the utility model, construction remote variable frequency constant pressure pump group includes temperature sensor 71, humidity sensor 72, air draft
Fan 73 and hot fan 74, temperature sensor 71, humidity sensor 72, exhaust fan 73 and hot fan 74 are respectively mounted in body structure 7
On wall.When temperature is higher in body structure 7, opens exhaust fan 73 and cool down, it is impaired to prevent the excessively high circuitry of temperature；When
When temperature is lower in body structure 7, the water inlet heating of hot fan 74 is opened, when preventing temperature too low, the components in equipment freeze
Split, be hardened it is crisp, it is easy to damage.
Wherein, temperature sensor 71 and humidity sensor 72 are electrically connected with third controller (not shown), are utilized
Third controller controls the start and stop of exhaust fan 73 and hot fan 74 respectively.Particularly according to pre-set temperature, humidity threshold
The detectable signal of value and temperature sensor 71, humidity sensor 72 controls exhaust fan 73 and hot fan 74 using third controller
On-off.Wherein, general threshold value setting: 30 DEG C of high-temperature temperature, relative humidity 70% and 0 DEG C of cryogenic temperature；Specifically, working as cabinet
Temperature is higher than 30 DEG C, when relative humidity is higher than 70% in structure 7, and third controller controls exhaust fan 73 and starts, when body structure 7
When interior temperature is lower than 0 DEG C, third controller controls warm-air drier starting.
Embodiment three:
In the application, fugitive dust monitoring device 2 can also survey wind speed, wind direction, temperature, wet in addition to achievable fugitive dust monitors
The environmental datas such as degree, intensity of illumination, carbon dioxide, PM2.5, PM10；As shown in Fig. 2, fugitive dust monitoring device 2 is mainly by particulate matter
Monitor (including monitor), environmental parameter acquisition equipment, data acquisition and Transmission system, video monitoring system, back-end data
Processing system and information monitoring management platform composition.Light scattering monitor, 360 ° of spherical cameras, meteorology five has specifically been used to join
Number acquisition equipment and data transmission set, realize real-time, long-range, automatic monitor particles object concentration；Data are by using network
Transmission, can be in multiple terminal access such as intelligent family moving platform, desktop PC machine；Monitor supervision platform also has a variety of statistics and high concentration report
Alert function.
Fugitive dust monitoring device 2 configures 40mm filter membrane sampler；With replaceable particle cutter PM10, PM5, PM2.5,
PM1.0 and TSP are selective；Detection sensitivity: 0.01mg/m3,0.001mg/m3, repeatability error: ± 2%, measurement accuracy: ±
10%, measurement range: 0.01~100mg/m3,0.001~10mg/m3.
In actual use, when fugitive dust monitoring device 2 detects that fugitive dust PM10 is greater than or equal to 200, fugitive dust monitoring device 2
In the first controller control motor-driven valve 31 folding, realize the first water pipe 32 conducting, and then realize variable frequency pump it is automatic
Water spray dust guarantees the health of construction personnel.
In the utility model, construction equipped with power distribution cabinet 76, is equipped with third with remote variable frequency constant pressure pump group in power distribution cabinet 76
Controller；Wherein, third controller can control opening for exhaust fan 73 and hot fan 74 according to the control instruction of remote computer
Stop.
In actual use, by the way that water inlet manifold 11 or spare water inlet pipe 15 to be connected to municipal water supply pipeline, it is embodied as applying
Work is supplied water with remote variable frequency constant pressure pump group.
In the utility model, body structure 7 is equipped with chamber door 75, convenient for carrying out each equipment into the inside of body structure 7
Maintenance.
For variable frequency pump in the utility model compared with main frequency water pump in the prior art, variable frequency pump passes through pressure inverting
The hydraulic pressure information of device feedback, adjusts the working frequency (revolving speed) of variable frequency pump in real time, has better energy-saving effect.
In actual use, the first variable frequency pump 3 and the first variable frequency pump 5 are in normally open, therefore pass through motor-driven valve 31
Unlatching, spray dust's operation can be realized.
The method of construction remote variable frequency constant pressure pump group control variable frequency pump spray dust in the utility model, including it is following
Step:
Step 1: starting variable frequency pump；
Step 2: fugitive dust monitoring device 2 being installed on construction site, for monitoring the fugitive dust concentration of construction site, fugitive dust prison
The predetermined concentration that fugitive dust is equipped in equipment 2 is controlled, when fugitive dust concentration is greater than or equal to predetermined concentration, to 31 emission control of motor-driven valve
Signal；
Step 3: motor-driven valve 31 obtains control signal, and control motor-driven valve 31 is opened, and realization is connected to the first of variable frequency pump
The conducting of water pipe, variable frequency pump spray dust.
Specifically, being controlled electronic when the fugitive dust concentration value that fugitive dust monitoring device 2 monitors is greater than or equal to setting concentration
The conducting of the first water pipe 32 is realized in the unlatching of valve 31, then realizes spray dust's operation.
A kind of beneficial effect of construction remote variable frequency constant pressure pump group of the utility model includes:
1. being monitored in real time to the fugitive dust concentration in construction place using fugitive dust monitoring device, when fugitive dust concentration is greater than
Or when being equal to fugitive dust predetermined concentration, control motor-driven valve is opened, and realizes the conducting of the first water pipe, variable frequency pump spray dust.
2. playing the role of stable hydraulic pressure by the way that the water inlet end of vacuum tank to be connected to the output end of variable frequency pump, avoiding
Water hammer and its influence to water pipe, variable frequency pump are generated, the service life of equipment is extended.
3. realizing the closed loop monitoring to variable frequency pump output pressure using pressure transmitter, guarantee the output of variable frequency pump
Pressure is equal to the predetermined pressure of variable frequency pump.
4. connecting check-valves by the output end in variable frequency pump, Water Spreading occurs when can close to avoid variable frequency pump,
Avoid water hammer.
5. structure is simple, convenient for operation.
The above is only the preferred embodiment of the present utility model, not does limit in any form to the utility model
System, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with sheet
Technical professional, in the range of not departing from technical solutions of the utility model, when the technology contents using the disclosure above
It makes a little change or is modified to the equivalent embodiment of equivalent variations, but is all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the utility model implementable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in disclosed in the utility model
Capable of the covering of technology contents in the range of.
Claims (9)
1. a kind of construction remote variable frequency constant pressure pump group characterized by comprising
Water tank, the water tank are formed with water outlet；
Outfall sewer is connected to the water outlet；
Variable frequency pump, the variable frequency pump are connected to the outfall sewer by pipeline；
Motor-driven valve, the motor-driven valve are connected to the output end of the variable frequency pump by the first water pipe；
The water inlet end of vacuum tank, the vacuum tank is connected to first water pipe by the second water pipe；And
Fugitive dust monitoring device is electrically connected to the motor-driven valve.
2. construction remote variable frequency constant pressure pump group according to claim 1, it is characterised in that: first water pipe is equipped with
Check-valves, the input terminal of the check-valves are connected to the output end of the variable frequency pump, and the output end of the check-valves is connected to
The motor-driven valve.
3. construction remote variable frequency constant pressure pump group according to claim 1, it is characterised in that: the outfall sewer is equipped with
First shut-off valve.
4. construction remote variable frequency constant pressure pump group according to claim 1, it is characterised in that: it further include the second shut-off valve,
The water tank is formed with water inlet, and second shut-off valve is connected to the water inlet by water inlet manifold.
5. construction remote variable frequency constant pressure pump group according to claim 4, it is characterised in that: the water inlet manifold is equipped with
Filter plant.
6. construction remote variable frequency constant pressure pump group according to claim 1, it is characterised in that: it further include pressure transmitter,
The water inlet end of the pressure transmitter is connected to the output end of the variable frequency pump, and the pressure transmitter is electrically connected to the change
Frequency water pump.
7. construction remote variable frequency constant pressure pump group according to claim 1, it is characterised in that: including multiple frequency conversion water
Pump a, wherein variable frequency pump is connected to the motor-driven valve by first water pipe.
8. construction remote variable frequency constant pressure pump group according to claim 1, it is characterised in that: it further include body structure, institute
Body structure inner hollow is stated, the water tank and the variable frequency pump are installed on the inside of the body structure, the cabinet
Humiture control equipment is installed in structure.
9. construction remote variable frequency constant pressure pump group according to claim 1, it is characterised in that: it further include spare water inlet pipe,
It is connected to the outfall sewer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041615.9U CN208650172U (en) | 2018-07-03 | 2018-07-03 | Construction remote variable frequency constant pressure pump group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821041615.9U CN208650172U (en) | 2018-07-03 | 2018-07-03 | Construction remote variable frequency constant pressure pump group |
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| Publication Number | Publication Date |
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| CN208650172U true CN208650172U (en) | 2019-03-26 |
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ID=65782649
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821041615.9U Active CN208650172U (en) | 2018-07-03 | 2018-07-03 | Construction remote variable frequency constant pressure pump group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729504A (en) * | 2018-07-03 | 2018-11-02 | 中国建筑第八工程局有限公司 | Construction remote variable frequency constant pressure pump group and its control method |
-
2018
- 2018-07-03 CN CN201821041615.9U patent/CN208650172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729504A (en) * | 2018-07-03 | 2018-11-02 | 中国建筑第八工程局有限公司 | Construction remote variable frequency constant pressure pump group and its control method |
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