WO2013014832A1 - ポンプ装置 - Google Patents

ポンプ装置 Download PDF

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Publication number
WO2013014832A1
WO2013014832A1 PCT/JP2012/002821 JP2012002821W WO2013014832A1 WO 2013014832 A1 WO2013014832 A1 WO 2013014832A1 JP 2012002821 W JP2012002821 W JP 2012002821W WO 2013014832 A1 WO2013014832 A1 WO 2013014832A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
pump device
housing
electrical machine
rotating electrical
Prior art date
Application number
PCT/JP2012/002821
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
敏夫 富田
啓 岡藤
高橋　伸一
藤田　幸央
Original Assignee
株式会社日立産機システム
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2011160444A external-priority patent/JP5792542B2/ja
Priority claimed from JP2011160436A external-priority patent/JP5509156B2/ja
Application filed by 株式会社日立産機システム filed Critical 株式会社日立産機システム
Priority to CN201280035234.9A priority Critical patent/CN103688450B/zh
Priority to KR1020137031749A priority patent/KR101531548B1/ko
Publication of WO2013014832A1 publication Critical patent/WO2013014832A1/ja

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5813—Cooling the control unit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle

Definitions

  • the present invention relates to a pump device incorporated as a part of, for example, a factory water supply line or a product.
  • pump devices have been used for various purposes such as housing water supply, factory water supply, and assembly into customer assembly products.
  • Patent Document 1 there is known a pump device that can be installed without changing the equipment piping and is variable speed operation control such as constant pressure control.
  • FIG. 1 of Cited Document 1 in a pump device in which a pump unit provided in a pump casing and having an impeller and a motor unit that rotationally drives the impeller 11 are integrated, the pump receives a signal from a pressure sensor.
  • the control part which carries out variable speed operation of the part is arrange
  • FIG. 1 of the cited document 2 discloses a configuration in which the control device case of the controller unit is divided into a plurality of unit cases, and the unit cases are stacked and fixed to the non-load-side end bracket or the housing.
  • JP 2009-41500 A Japanese Patent Laid-Open No. 11-27903
  • the pump device when incorporating the pump device into factory water supply or customer assembly product, it is incorporated in the middle of the piping, so if the center of gravity of the pump device is biased, a load will be applied to the piping.
  • the pump device when replacing the pump device, the pump device is temporarily placed as a single unit, and it is required to be able to stably stand on its own.
  • the present invention has been made in view of the above circumstances, and can be mounted without changing the equipment piping and product structure while reliably performing heat dissipation, and variable speed operation control such as constant pressure control can be performed by a single pump device. It is an object of the present invention to provide a space-saving drive unit control device-integrated pump device that can be carried out in the above-described manner. To provide a pump device that can be attached to equipment piping and product structure without applying a load, can perform variable speed operation control such as constant pressure control, etc. with a single pump device, and can stably stand on its own. With the goal.
  • the rotating electric machine includes a housing having a plurality of cooling fins on an outer periphery thereof; A stator attached to the housing, a rotor fixed to a rotating shaft of the rotating electrical machine and configured by arranging a plurality of permanent magnets in a cylindrical shape, a bearing for supporting the rotating shaft, and a bearing are attached.
  • the rotating electric machine part has a housing, An inverter body for supplying a drive current to the rotating electrical machine unit, a control board for controlling the operation of the rotating electrical machine, and a capacitor constituting a part of the inverter circuit are disposed around the housing, The inverter, the control board, and a case for storing at least a part of the capacitor are provided, and the inverter main body and the capacitor are arranged at separate positions.
  • the present invention it is possible to provide a space-saving drive unit control device integrated pump device that is excellent in heat dissipation and suitable for replacement of existing products. Moreover, in the pump apparatus which integrated the rotary electric machine part and the control part, the pump apparatus excellent in independence and balance property is realizable.
  • FIG. 5 is a developed perspective view showing each part when the rotating electrical machine shown in FIG. 4 is housed in a cover.
  • FIG. 5 is a partially cut perspective view illustrating another example of the positional relationship between a power conversion device attached to a housing and a stator (armature) in the rotating electrical machine assembly.
  • the said rotary electric machine assembly it is a perspective view which shows the other example of the core which comprises a stator (armature). It is an external appearance perspective view which shows the whole structure of the pump apparatus which is another Example of this invention. It is sectional drawing of the pump apparatus shown in FIG. It is explanatory drawing of the gravity center of the integrated pump apparatus which has arrange
  • FIG. 1 shows an entire configuration of, for example, an outdoor installation pump apparatus which is an embodiment of the present invention.
  • symbol 1 shows a pump casing and the code
  • Reference numeral 20 denotes a cooling cover.
  • Reference numeral 40 denotes a noise filter built-in terminal box, and the pump casing, the cover, the noise filter built-in terminal box, and the case housing the power conversion device have the outer dimensions of the pump device equipped with the induction motor, which is an existing pump device. It is limited and configured to be equal to or smaller than the dimensions.
  • the electric motor of the present invention is characterized by its cooling structure configuration and the arrangement structure of the parts of the control part, has a high heat dissipation effect, and is equipped with an induction motor having a separate control panel for the existing pump device In the case of this pump device, it becomes possible to make it equal to or smaller than the outer dimension of the pump portion. It can be replaced with a drive unit control device integrated pump device without affecting the water pipe or product.
  • FIG. 2 shows a cross-sectional view of the pump device.
  • the casing cover which will be described later, is taken in from the outside when the centrifugal fan rotates, passes through the cover, flows between cooling fins formed on the outer peripheral surface of the housing, and is integrated with the end bracket in consideration of the air flow. Or, an end bracket is provided.
  • the rotating electrical machine main body is housed inside the cover 10, and a rotating shaft (shaft) 56 of the rotating electrical machine is connected to rotate an impeller disposed in the pump casing. The rotating shaft of the impeller in the pump unit and the rotating shaft of the rotating electrical machine unit coincide.
  • FIG. 3 shows the overall configuration of the rotating electrical machine assembly used in FIGS. 1 and 2 described above. That is, in this figure, the code
  • the cover 10 is formed into a predetermined shape by, for example, pressing a plate-shaped resonance suppression material. More specifically, noise and vibration can be suppressed by attaching a sound absorbing material, a soundproofing material, a vibration damping material, a vibration damping material, or the like inside the cover.
  • a cooling cover 20 containing a centrifugal fan 21 to be described later is attached to one end portion (back side in the drawing) of the cylindrical cover 10 in the axial direction, and the other end portion (front side in the drawing). ) Is attached with an end bracket 11 of a rotating electrical machine described below. Further, on the outer peripheral surface of the cylindrical cover 10, a case 30 (a case for a power conversion device) containing a power conversion device, which will be described later, and a terminal box with a built-in noise filter (terminal box with a built-in noise filter) 40) are respectively attached.
  • reference numeral 51 denotes a so-called substantially cylindrical housing (or also referred to as “frame”), and this housing 51 is made of, for example, a material such as aluminum having excellent heat conductivity (thermal conductivity). It is formed by extruding.
  • the housing 51 has a large number of cooling fins 52L and 52S extending in parallel along a cylindrical rotation axis on the entire outer peripheral surface thereof.
  • a plane 53 having a relatively large area for mounting the above-described power conversion device (that is, the case for the power conversion device) 30 is formed on a part (the upper portion in the drawing) of the outer peripheral surface of the housing 51.
  • a relatively large (longer extending) cooling fin 52L is formed in the periphery in the horizontal direction.
  • an armature constituting the stator (stator) 54 of the permanent magnet type rotating electric machine is inserted and fixed in the cylindrical housing 51, and the cylindrical inner space of the armature 54 is inserted.
  • a rotor (rotor) 55 configured by arranging a plurality of permanent magnets in a cylindrical shape is inserted, and is attached rotatably through a predetermined gap.
  • Reference numeral 56 in the figure denotes a rotating shaft (shaft) that is formed integrally with the rotor (rotor) 55, and the rotational driving force of the rotating electrical machine is driven through the shaft, for example, by a pump or the like. Communicate to equipment.
  • Reference numeral 57 in the figure is an end bracket attached to the end of the housing 51 on the side opposite to the end bracket 11 described above, and reference numeral 58 in the figure is outside the end bracket 57.
  • the centrifugal fan attached to the said rotating shaft (shaft) 56 is shown.
  • FIG. 5 shows an exploded view of each part when the rotating electrical machine 50 described above is housed in the cover 10 shown in FIG. That is, the rotating electrical machine 50 has a substantially arc-shaped outer cross section in a part of the outer peripheral surface of the housing 51, for example, in a part where the relatively short cooling fins 52 are formed around the lower part in the illustrated example.
  • the formed control & I / F board case 60 and smoothing capacitor case 70 are attached (or fixed), and then inserted into the cover 10 (see arrows in the figure).
  • the electric power provided in part on the flat surface 53 of the housing 51 is partly provided with a power switching element (for example, IGBT) which is a heating element constituting the inverter through an opening 511 provided in a part of the cover 10.
  • a power switching element for example, IGBT
  • the conversion device 31 is attached to a flat surface 53 formed on a part of the housing 51 of the rotating electrical machine 50, and then a cover (cover for power conversion device) 30 for protection is attached from the outside (see the arrow in the figure). reference).
  • the above-described terminal box (noise filter built-in terminal box) 40 is attached to a part of the outer peripheral surface of the housing 51 (see the arrow in the figure).
  • the cooling cover 20 mentioned above is attached to the other edge part (left end of a figure) of the housing 51.
  • FIG. Further, reference numeral 21 in the figure indicates a small hole for taking in external air, which is formed in a large number of mesh shapes in the substantially central portion of the wall surface of the cooling cover 20.
  • the centrifugal fan 58 attached to the tip of the rotating shaft (shaft) 56 that rotates with the operation of the rotating electrical machine is provided.
  • Rotating, air from outside is guided to the inside of the cover 10 and flows between the cooling fins 52 formed on the outer peripheral surface of the housing 51 to exchange heat (see the white arrow in FIG. 4). Then, it flows out through the gap between the end bracket 11 at the other end. That is, the air flow generated by the rotation of the centrifugal fan 58 cools the housing 51 in which many cooling fins 52 are formed on the outer peripheral surface thereof.
  • the power conversion device 31 since the power conversion device 31 constitutes an inverter as described above, the power conversion device 31 includes a power switching element, which is a heat generating element, and thus generates a large amount of heat.
  • the power converter 31 is a part of the housing 51 provided integrally on the outer periphery of the stator (stator) 54 in order to discharge the heat generated by the rotating electrical machine to the outside, that is, , And directly attached to the mounting plane portion 53. According to this, the heat generated in the power converter 31 is transmitted to the housing 51 together with the heat generated by the rotating electrical machine (particularly, the heat generated by the armature), and the entire outer peripheral surface is made of a material having excellent heat conductivity.
  • the cooling fins 52 formed so that a large number are arranged in parallel are efficiently transmitted to the outside air. That is, together with the heat generated by the rotating electrical machine, the heat generated by the power conversion device 31 can be efficiently discharged to the outside, thereby achieving a good cooling effect of the power conversion device.
  • the cooling fins 52 that are relatively large (extend long) in the horizontal direction are disposed around the mounting plane 53 formed on the upper portion of the cylindrical housing 51 in which the power conversion device 31 is disposed. Therefore, it is possible to efficiently cool the heat generated by the electric power converter 31 together with the heat generated by the rotating electrical machine.
  • control & I / F board case 60 and the capacitor case 70 are also attached (fixed) to a part of the outer peripheral surface of the housing 51. Heat generated inside these cases can also be efficiently discharged to the outside through the cooling fins 52 formed on the outer periphery of the housing 51 in the same manner as described above.
  • the control & I / F board case 60 includes a control controller (for example, a control microcomputer) and a communication I / F board inside, and a resin material or the like is injected into the case. It has excellent environmental resistance and impact resistance. Then, by attaching the control & I / F board case 60 to a part of the rotating electrical machine, it is possible to perform a wireless / wired communication function with the outside as well as drive control of the outdoor installation pump. In addition, according to this, for example, by mounting a pressure sensor, a flow rate sensor, etc. on the control & I / F board, these amounts can be automatically controlled as a feedback signal. By transmitting (communication), centralized management, an integrated energy saving monitor system, and the like can be realized. In other words, this enables operation management and energy-saving operation of an outdoor installation pump, as well as remote monitoring control and centralized management, as well as systemization with multiple pumps, as will be described later. Become.
  • the capacitor case 70 contains therein a smoothing capacitor that constitutes a part (component) of the inverter circuit of the power converter 31.
  • a resin material or the like is contained therein. By injecting, environmental resistance and impact resistance are achieved.
  • the DC reactor which comprises a part of inverter was demonstrated as what was integrated in a part of the said power converter device 31 in this example, this DC reactor is similarly incorporated in an exclusive case. Then, it may be attached to a part of the outer peripheral surface of the housing 51.
  • the heat generating portion (mesh portion in the figure) H in the power converter 31 is a flat portion of the cylindrical housing 51. 53, on the rotation center axis thereof, deviates from the position of the central portion (indicated by the broken line B in the figure) of the stator (armature) 54 that is the heat generating portion on the rotating electrical machine side, and is incorporated in the cooling cover 20, for example. It arrange
  • the stator (armature) 54 is cut out at a part of the outer periphery thereof, in particular, a portion close to the flat portion of the housing 51 to which the power conversion device 30 described above is attached ( A cut portion 541), a so-called cut core, can also be employed. According to this, the power converter 30 and the stator (armature) 54, which are heat generating parts, are thermally separated at the cut portions, whereby the absorption of heat by the housing 51 is separated and cooled efficiently. It becomes possible.
  • the housing in which the cooling fins are formed on the outer periphery is directly used as a cooling unit for heat-generating parts such as an inverter.
  • a power converter including an inverter, various circuit boards, and a noise filter and a capacitor is adopted. That is, in the present invention, by adopting a permanent magnet motor, the size of the motor can be made smaller than the size of the induction motor. Then, by arranging parts such as the power conversion measure and control board around the housing as described above, the outer shape of the pump device equipped with the induction motor having the same output performance as the outer dimensions and having the control panel separately. It becomes possible to provide a pump device having a size equal to or smaller than the size. In other words, it can be replaced with a pump device equipped with an existing induction motor, and a control panel is not required, thereby realizing a significant space saving.
  • a heat pump that can be driven practically can be obtained by adopting the heat dissipation structure as described above for heat dissipation, which has been a conventional problem. Can do.
  • the present invention since it is a drive unit control device integrated pump device having the above-described features, it is not necessary to separately install a control panel, and for a plurality of pump devices, a portable terminal or a pump monitoring station or Control can be easily performed from a master machine of the same type of pump device.
  • FIG. 8 shows an overall configuration of a vertical direct acting pump, for example, an outdoor installation pump device, according to another embodiment of the present invention.
  • the rotating electrical machine assembly used is the same as that described with reference to FIGS.
  • reference numeral 1 denotes a pump casing
  • reference numeral 10 denotes a cover covering the outer periphery of the rotating electrical machine assembly
  • Reference numeral 20 denotes a cooling cover
  • Reference numeral 30 denotes a case in which the power converter is accommodated
  • reference numeral 40 denotes a noise filter built-in terminal box.
  • FIG. 9 shows a sectional view of the pump device.
  • air is taken in from the outside, passes through the cover, flows between the cooling fins formed on the outer peripheral surface of the housing, and passes through the gap between the end bracket and the end bracket.
  • a casing cover denoted by reference numeral 2 is attached in consideration of the flow of air flowing out to the outside.
  • the rotating electrical machine main body is housed inside the cover 10, and the rotating shaft (shaft) 56 of the rotating electrical machine is connected to rotate the impeller disposed in the pump casing.
  • the rotating shaft of the impeller in the pump unit and the rotating shaft of the rotating electrical machine unit coincide with each other.
  • the rotating shaft is perpendicular to the pump installation surface.
  • FIG. 10 is an explanatory diagram (schematic diagram) of the position of the center of gravity when a power conversion device including an inverter is installed in a pump device integrated with a conventional rotating electrical machine assembly (motor unit).
  • the power converters are collectively arranged outside the motor part integrated with the pump part.
  • the weight of the power conversion device is large, and the position of the center of gravity combining the power conversion device and the motor unit greatly deviates from the rotating shaft of the rotating electrical machine (motor) as shown in the lower part of FIG.
  • FIG. 12 shows an explanatory diagram (schematic diagram) showing the center of gravity of the pump device of the present invention.
  • the power converter, the control board, and the smoothing capacitor are arranged apart from each other so that at least a part of the power converter is housed in the cover of the rotating electrical machine assembly.
  • the power conversion device 31 is arranged at the upper part of the housing 51, the capacitor case 70 is located at the back of the lower part of the housing 51, and the control & I / F board case 60 is located at the lower part of the housing 51. Place in front of. Each member is approximately 120 ° apart from the rotation axis of the rotating electrical machine.
  • the weight of the power converter 31 and the smoothing capacitor is larger than the weight of the control & I / F board 60, at least the power converter and the smoothing capacitor are separated from the rotating shaft of the rotating electrical machine. It is necessary to arrange at a position (for example, 120 ° to 180 °).
  • the noise filter case 40 is disposed outside the cover 10, but the influence on the position of the center of gravity of the pump device. Is small.
  • the center of gravity of the motor unit and the power converters, the control board, the condenser, and the pump unit together is near the rotation axis of the motor unit.
  • the pump device of the present invention since the center of gravity is in the vicinity of the rotating shaft of the motor unit, the pump does not fall down even if tilted to some extent, ensuring balance and self-supporting stability. it can. Thereby, when the pump apparatus of this invention is installed in the middle of piping, it can install stably, without applying big load to piping or another site
  • FIG. 14 shows a region of a desirable position of the center of gravity of the entire pump device. Since the position of the center of gravity is less likely to fall as it is closer to the center axis, it is set to be near the center axis.
  • the rotation axis of the impeller in the pump unit and the rotation axis of the rotating electrical machine unit are coincident and may be within a range of 1 ⁇ 2 of the diameter of the motor unit with the rotation axis of the motor unit and the pump unit as the center. This is desirable.
  • the center point of the upper bottom surface of the cylindrical portion of the housing of the motor portion is the top, and the diameter of the lower bottom surface of the motor portion is 1 / The inside of the cone defined by the circle of two is desirable.
  • the diameter of the motor part means the maximum diameter of the motor part covered by the cover.
  • the rotating electrical machine assembly for driving the outdoor-installed pump has been described as being constituted by a permanent magnet type rotating electrical machine.
  • the present invention is not limited to this, and other types of rotating electrical machines are used. It will be apparent to those skilled in the art that the same effect may be obtained by the configuration.
  • the cover 10 is described as being formed so as to substantially cover the entire rotating electrical machine portion 50.
  • the cover 10 may have the rotating electrical machine portion 50 approximately half the length thereof, and in this case, the same effect as described above will be obtained.
  • FIG. 15 is a flowchart of a control method when a plurality of pumps of the same type are used. While the pump is stopped (101), it is determined that the pump needs to be started when the amount of water increases from the predetermined reference or the pressure falls below the predetermined reference (102), and one pump starts up. (103). On the other hand, when the amount of water decreases (104), it is not necessary to start the pump, so the pump stop state is continued (101).
  • the above-described pump control is performed from a pump monitoring station or a master device of the same type of pump device for a plurality of drive unit control device integrated pump devices as shown in FIG.
  • an identification number is assigned to each pump device.
  • the control board of the pump device includes a storage unit and has an area for storing an identification number unique to the pump device.
  • Data is transmitted according to a communication format determined in advance using a randomly generated number other than a predetermined number (for example, 0000 to 0099) as an identification number. If data is transmitted from the pump monitoring station or the master device of the same type of pump device to the pump device but there is no reply, the communication is retransmitted after a randomly determined time. When there is a reply, the identification number (for example, 0000 to 0099) designated by the reply data is used as the identification number of the pump device.
  • the pump devices to which 0000 to 0099 are assigned are set to refrain from communication for a certain period of time so that communication other than 0000 to 0099 can be performed after each communication.
  • the pump device fails, the fact that the pump device has failed is communicated via communication. If there is a pump device that has failed, the pump monitoring station or the pump device master machine that manages the number of operating units stops the pump device and activates a replacement pump device.
  • the monitoring device or pump device that monitors the pump device is the operation status of other pumps (the content of the failure if it is in failure), the history of the failure, the number of pump devices of the same type installed, the same type of pumps It has an area for storing the number of devices that can be connected in parallel, the number of pump devices that are currently operating, and the number of pump devices that are malfunctioning. By outputting these pieces of information to the portable terminal, it is possible to grasp the status (the overall status) of all the pump devices by communicating with one monitoring device or the pump device.
  • control board of the pump device has a position information detection device (for example, a GPS device)
  • the installation position of the pump device can be grasped, and a plurality of pump devices are provided for each position of the pump device. Can be grouped and controlled.
  • FIG. 17 is a block diagram showing a connection relationship between a plurality of pump devices.
  • 1-1, 1-4, 2-1, 2-4, 3-1, 3-4 are gate valves
  • 1-2 is the No. 1 pump section
  • 2-2 is the No. 2 pump.
  • Device section 3-2 is No. 3 pump apparatus section
  • 1-3, 2-3, 3-3 are check valves
  • 1-5 is No. 1 motor section
  • 2-5 is No.
  • 3 -5 is the Unit 3 motor unit
  • 1-6 is the Unit 1 power converter
  • 2-6 is the Unit 2 power converter
  • 3-6 is the Unit 3 power converter
  • 1-7 is the Unit 1 control board
  • 2-7 is a Unit 2 control board
  • 3-7 is a Unit 3 control board
  • 1-8 is a Unit 1 wireless interface
  • 2-8 is a Unit 2 wireless interface
  • 3-8 is a Unit 3 wireless interface.
  • the pump control data is stored through the wireless interface (1-8, 2-8, 3-8) of the pump device. Data is written into the storage unit. In this case, the identification number of the pump is sent together with the data in order to clarify the object to which the data is transmitted.
  • the wireless interface and the storage unit are incorporated in the control & I / F board (1-8, 2-8, 3-8) of the pump device.
  • the mobile terminal preferably includes a display device, and the display on the mobile terminal displays not the data content itself but a converted version (for example, 0 ⁇ pump stop, 1 ⁇ pump operation, etc.). .
  • the display on the mobile terminal displays not the data content itself but a converted version (for example, 0 ⁇ pump stop, 1 ⁇ pump operation, etc.).
  • the content indicated by the error code is displayed (for example, if the error code “E1” is “overcurrent”, The display is as shown in “Overcurrent”).
  • the operation status acquisition command is given from the portable terminal
  • the operation status is stored in the storage unit for storing the pump operation data through the wireless interface (1-8, 2-8, 3-8) of the pump device.
  • Data is read, and the read data is sent to the mobile terminal through the wireless interface.
  • priorities are assigned to the pump devices in advance, and the pump device with the highest priority can be used as the master pump device.
  • the priority order can be determined in the pump apparatus after the pump apparatus is in an operating state (after energization), and the pump apparatus having the highest priority order can be set as the master pump apparatus.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
PCT/JP2012/002821 2011-07-22 2012-04-25 ポンプ装置 WO2013014832A1 (ja)

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CN201280035234.9A CN103688450B (zh) 2011-07-22 2012-04-25 泵装置
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JP2011-160436 2011-07-22
JP2011160444A JP5792542B2 (ja) 2011-07-22 2011-07-22 ポンプ装置
JP2011160436A JP5509156B2 (ja) 2011-07-22 2011-07-22 ポンプ装置
JP2011-160444 2011-07-22

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CN103671992A (zh) * 2013-12-18 2014-03-26 湖北泰和石化设备有限公司 一种复合散温盘阀盖深冷闸阀
JP2014099983A (ja) * 2012-11-14 2014-05-29 Nidec Sankyo Corp ドライバ一体型モータ
CN106122039A (zh) * 2016-07-29 2016-11-16 苏州工业园区驿力机车科技股份有限公司 无刷调速磁力水泵
CN106401987A (zh) * 2016-12-13 2017-02-15 荆门市召铭液压科技有限公司 一种流量可调节消防泵
CN110285063A (zh) * 2019-06-28 2019-09-27 盐城市远大环保设备有限公司 一种智能型环保排污节能水泵
CN111697779A (zh) * 2019-03-12 2020-09-22 本田技研工业株式会社 电动机单元及电动机单元的制造方法
EP4056858A4 (en) * 2019-11-05 2023-12-06 Ebara Corporation PUMP BODY AND PUMP DEVICE

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JP6655637B2 (ja) * 2018-02-09 2020-02-26 本田技研工業株式会社 回転電機ユニット
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JP2014099983A (ja) * 2012-11-14 2014-05-29 Nidec Sankyo Corp ドライバ一体型モータ
CN103671992A (zh) * 2013-12-18 2014-03-26 湖北泰和石化设备有限公司 一种复合散温盘阀盖深冷闸阀
CN106122039A (zh) * 2016-07-29 2016-11-16 苏州工业园区驿力机车科技股份有限公司 无刷调速磁力水泵
CN106401987A (zh) * 2016-12-13 2017-02-15 荆门市召铭液压科技有限公司 一种流量可调节消防泵
CN111697779A (zh) * 2019-03-12 2020-09-22 本田技研工业株式会社 电动机单元及电动机单元的制造方法
CN110285063A (zh) * 2019-06-28 2019-09-27 盐城市远大环保设备有限公司 一种智能型环保排污节能水泵
EP4056858A4 (en) * 2019-11-05 2023-12-06 Ebara Corporation PUMP BODY AND PUMP DEVICE

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CN106953451A (zh) 2017-07-14
KR20140019440A (ko) 2014-02-14
KR101531548B1 (ko) 2015-07-06
CN103688450B (zh) 2016-10-26
CN103688450A (zh) 2014-03-26

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