CN211143189U - Novel frequency conversion water supply control cabinet - Google Patents
Novel frequency conversion water supply control cabinet Download PDFInfo
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- CN211143189U CN211143189U CN201921937748.9U CN201921937748U CN211143189U CN 211143189 U CN211143189 U CN 211143189U CN 201921937748 U CN201921937748 U CN 201921937748U CN 211143189 U CN211143189 U CN 211143189U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The utility model relates to a novel variable-frequency water supply control cabinet, which effectively solves the problems that the prior water supply control cabinet dissipates heat, can not monitor the operation condition of a pump room in real time, has poor anti-theft performance, generates noise pollution in the operation process of equipment and needs personnel to enter the control cabinet for maintenance; the technical scheme includes that the device comprises a box body, wherein a water-passing coil pipe is fixedly connected to the inner wall of the box body, one end of the water-passing coil pipe is fixedly communicated with a water inlet pipe, the water inlet pipe is communicated with a municipal water supply pipe, the other end of the water-passing coil pipe is fixedly communicated with a water outlet pipe, the water outlet pipe is communicated with the municipal water supply pipe through a water pipe, the rear end of the box body is fixedly connected with a ventilation net, the rear end of the ventilation net is fixedly connected with an exhaust fan, ventilation windows are arranged on the left side, the right side and the rear end of the box body; the utility model discloses the structure is succinct, and the effect is showing, and the practicality is strong.
Description
Technical Field
The utility model relates to a switch board technical field specifically is a novel variable frequency water supply switch board.
Background
The frequency conversion water supply control cabinet moves towards the direction of intellectualization, and along with the continuous mature application of computer technology, power electronic technology and communication technology in recent years, the use of the frequency conversion control cabinet is gradually popularized.
The prior variable-frequency water supply control cabinet has the following problems:
1. due to the fact that the design of the interior of the control cabinet is unreasonable, heat generated in the interior of the control cabinet is concentrated around a frequency converter on the cabinet body, and the heat of the cabinet body is difficult to discharge due to a ventilation system, so that the whole control cabinet is halted;
2. the existing water supply control cabinet only comprises a cabinet body and a cabinet door, cannot monitor the liquid level of a water tank and the pressure of a water outlet in a pump room in real time, has poor anti-theft performance and low intelligent degree;
3. the heat dissipation and the operation of the electrical appliances in the control cabinet can produce a large amount of noise pollution, the control cabinet needs to be drilled into the cabinet to work in the process of overhauling and maintaining the control cabinet, and the labor intensity of workers is increased.
Therefore, the utility model provides a novel frequency conversion water supply control cabinet solves this problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a novel frequency conversion water supply control cabinet, the effectual current water supply control cabinet heat dissipation of having solved, can not real time monitoring pump house operation condition, the theftproof nature is poor, noise pollution appears in the equipment operation in-process and need personnel to get into the problem of maintaining in the control cabinet.
The utility model comprises a box body, wherein a water-passing coil pipe is fixedly connected with the inner wall of the box body, one end of the water-passing coil pipe is fixedly communicated with a water inlet pipe fixedly connected above the rear end of the box body, the water inlet pipe is communicated with a municipal water supply pipe, the other end of the water-passing coil pipe is fixedly communicated with a water outlet pipe fixedly connected below the rear end of the box body, and the water outlet pipe is communicated with the municipal water supply pipe through a water pipe;
the rear end of the box body is provided with a fan mounting hole, one side of the fan mounting hole is fixedly connected with an air ventilation net, the rear end of the air ventilation net is fixedly connected with an exhaust fan arranged in the fan mounting hole, and the exhaust fan is externally connected with a power supply;
the left side, the right side and the rear end of the box body are provided with ventilation windows;
the box rear side inner wall fixedly connected with temperature sensor, temperature sensor be connected with fixed connection be in the box on the control module, control module with the exhaust fan electricity connect.
Preferably, the ventilation window is provided with a sliding rail, the sliding rail is internally and slidably connected with an air filter screen, and one end of the air filter screen is fixedly connected with a push-pull handle.
Preferably, the box in the front and back sliding connection have a workstation, workstation upper end fixedly connected with master control line board, the workstation seted up flexible screw hole, flexible screw hole cooperation be connected with rotate connect the box on the flexible lead screw, flexible lead screw fixedly connected with rotate connect the box rear side the crank wheel.
Preferably, the main control line board is provided with a plurality of wire inserting holes, a plurality of wire grooves are arranged beside the wire inserting holes, and a plurality of positioning buckles are fixedly connected to the plurality of wire grooves.
Preferably, the inner wall surfaces of the left side and the right side of the box body are both provided with rectangular sliding grooves, sound insulation boards are connected in the two rectangular sliding grooves in a front-back sliding mode, and the type of each sound insulation board is vinco _ 51.
Preferably, the front end of the box body is rotatably connected with a control cabinet door, the front side of the control cabinet door is fixedly connected with an operation panel, the control module is fixedly connected in the operation panel, and the operation panel is fixedly connected with an information display screen and a plurality of operation buttons;
the operation panel is connected with an alarm fixedly connected with the box body;
temperature sensor, exhaust fan, alarm and control module with operating panel electricity connect, operating panel external power supply.
The utility model discloses improve to current frequency conversion water supply switch board, through addding water-cooling, forced air cooling heat dissipation mechanism, dust keeper, platform slide mechanism and fall the effectual foretell problem of solving of noise device, and the structure is succinct stable, has high universality.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a perspective view of the internal local structure of the present invention.
Fig. 4 is a schematic left-side sectional view of the present invention.
Fig. 5 is a schematic view of a three-dimensional mechanism of the box body of the present invention.
Fig. 6 is a schematic diagram of a three-dimensional mechanism of the box body of the present invention.
Fig. 7 is a perspective view of the water pipe of the present invention.
Fig. 8 is a perspective view of the air filter screen of the present invention.
Fig. 9 is a perspective view of the main control line board and the workbench of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 9. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Embodiment one, the utility model relates to a novel frequency conversion water supply control cabinet, including box 1, in the process of carrying to box 1, because the box is bulky, difficult transport, this embodiment provides a mode of convenient delivery, specifically, box 1 top be provided with four rings, facilitated the crane to carry the transportation to box 1, because box 1 is in the environment of water supply system comparatively abominable, insulating paint and anti-oxidant paint are sprayed on the surface of box 1, prolonged the life of frequency conversion control cabinet, the cost is reduced, box 1 inner wall fixedly connected with service coil pipe 2, refer to fig. 7, service coil pipe 2 include the disc ring pipe and the aqueduct of fixed intercommunication in disc ring pipe upper and lower both ends, disc ring pipe upper and lower end seted up a plurality of limbers, two the honeycomb ducts all seted up with the limbers matched with the water injection hole, one end of the water-passing coil 2 is fixedly communicated with a water inlet pipe 3 fixedly connected above the rear end of the box body 1, the water inlet pipe 3 is externally connected with the municipal water supply pipe, in order to facilitate the control of the water inlet process of the water inlet pipe 3, a water discharge valve is fixedly connected between the water inlet pipe 3 and the municipal water supply pipe and controls whether water in the municipal water supply pipe enters the water inlet pipe 3 or not, the other end of the water-passing coil 2 is fixedly communicated with a water outlet pipe 4 fixedly connected below the rear end of the box body 1, the water outlet pipe 4 is communicated with the municipal water supply pipe through a water pipe, water in the municipal water supply pipe enters the water guide pipe at the upper end through the water inlet pipe 3, the water entering the water guide pipe at the upper end enters the corresponding disc-shaped ring pipe through a plurality of water injection holes, and flows into the water guide pipe at the lower end through the, the water returns to the municipal water supply pipe through the water guide pipe below and flows to the user along with the main flow water body;
the rear end of the box body 1 is provided with a fan mounting hole 6, one side of the fan mounting hole 6 is fixedly connected with an air vent net 7, the air vent net 7 is tightly attached to the fan mounting hole 6, air can be discharged through the rear of an air vent, the rear end of the air vent net 7 is fixedly connected with an exhaust fan 8 arranged in the fan mounting hole 6, the exhaust fan 8 is externally connected with a power supply, the exhaust fan 8 adopts an installation mode of exhausting air to the outside, hot air in the box body 1 is continuously diffused to the outside under the action of the exhaust fan 8, and the heat dissipation effect is enhanced;
in order to ensure that the air in the box body 1 can circulate faster in the rotating process of the exhaust fan 8, the heat in the box body 1 is taken away at the fastest speed, the temperature in the box body 1 can be reduced in a short time, ventilation windows 5 are arranged at the left side, the right side and the rear end of the box body 1, the ventilation windows 5 are rectangular, a plurality of air guide holes are formed in the ventilation windows 5, the air enters the box body 1 through the air guide holes, and the ventilation windows 5 are positioned at the left side, the right side and the rear end of the box body 1, so that the air flow can enter the box body 1 in an all-around manner, and the air flow circulation is ensured;
the inner wall of the rear side of the box body 1 is fixedly connected with a temperature sensor 9, the temperature sensor 9 is used for sensing the temperature in the box body 1, the temperature sensor 9 is connected with a control module fixedly connected to the box body 1, the control module is electrically connected with the exhaust fan 8, when the temperature in the box body 1 reaches an upper limit value, the temperature sensor 9 sends a signal to the control module, the control module controls the exhaust fan 8 to work and dissipate heat, and when the temperature is lower than the upper limit value, the temperature sensor 9 enables the exhaust fan 8 to stop working through the control module;
in the embodiment, when the water supply system is specifically implemented, the water inlet pipe 3 is communicated with the municipal water supply pipe through a water drain valve, the water drain valve is opened, water enters the water passing coil pipe 2 through the water inlet pipe 3, the water flows in the box body 1 through the water passing coil pipe 2 and takes away energy generated by the operation of electric appliances in the box body 1, the water flowing around the inside of the box body 1 returns to the municipal water supply pipe through the water outlet pipe 4 and enters a user along with a main water body to supply water for the user, and the water supply system is connected to the water passing coil pipe 2 of the control cabinet, so that the water cooling and heat dissipation of the inside of the box body 1 are realized, the temperature of the inside of the box body 1 is reduced, and the energy consumption is reduced;
work as box 1 in electrical equipment high speed function, produce a large amount of heats, but water-cooled power is certain, can lead to the temperature in the box 1 to rise step by step, when the temperature rose to the upper limit value of settlement, temperature sensor 9 experience temperature and signals give control module, control module signaling control exhaust fan 8 work, the outside air passes through ventilation window 5 get into in the box 1 and take away through ventilation net 7 discharge under the effect of exhaust fan 8 the heat in the box 1, the completion is right box 1 inside carry out further heat dissipation, when the temperature is less than the upper limit value time, temperature sensor 9 make through control module exhaust fan 8 stop work.
Embodiment two, on the basis of the first embodiment, in the working process of the exhaust fan, the external air enters the box body 1 and brings the external dust into the box body 1, since most of the electrical components in the box body 1 are precise components, and are greatly affected by the dust, and the failure rate of the system is increased, the present embodiment provides a dustproof manner, referring to fig. 6, the ventilation window 5 is provided with a sliding rail 10, the sliding rail 10 is a rectangular sliding rail, the sliding rail 10 is internally and slidably connected with an air filter screen 11, the air filter screen 11 is in clearance fit with the ventilation window 5, so that the air is not blocked when the air passes through the air filter screen 11 due to the adhesion of the air filter screen 11 and the ventilation window 5, the air flowing effect between the air filter screen 11 and the ventilation window 5 is ensured, and the air is retained in the clearance formed by the ventilation window 5 and the air filter screen 11, further purifying the air, in order to clean the air filter screen 11, one end of the air filter screen 11 is fixedly connected with a push-pull handle 12, and the air filter screen 11 can be detached from the ventilation window for cleaning through the push-pull handle 12.
In the third embodiment, on the basis of the first embodiment, the control cabinet needs to be drilled into the cabinet to work in the process of overhauling and maintaining the control cabinet, so that the labor intensity of workers is increased, and much inconvenience is brought to the work of the workers, the embodiment provides a movable platform, specifically, a workbench 13 is connected in the box body 1 in a front-back sliding manner, the embodiment provides a specific sliding connection mode, a rectangular sliding groove 21 is fixedly connected to the lower end surface of the box body 1, the inner wall of the rectangular sliding groove 21 is matched and tightly attached with the outer wall of the workbench 13, the workbench 13 can slide in the front-back sliding manner along the rectangular sliding groove 21, a main control line board 14 is fixedly connected to the upper end of the workbench 13, the main control line board 14 provides a fixed connection base for electrical elements, a frequency converter and a programmable logic controller are integrated on the main control line board 14, the circuit breaker, the electric energy meter, hua is wireless gateway, access control system, through converter, programmable logic controller, circuit breaker, the electric energy meter, hua is wireless gateway, access control system carries out supervisory control to the operation condition of water supply pump house, access control system with fixed connection the camera electricity in the pump house link to each other, made things convenient for the condition in the pump house to monitor, workstation 13 seted up flexible screw hole 15, flexible screw hole 15 cooperation be connected with rotate connect the flexible lead screw 16 on box 1, flexible lead screw 16 fixedly connected with rotate connect in the crank wheel 17 of box 1 rear side, rotate crank wheel 17 drive flexible lead screw 16 synchronous rotation, flexible lead screw 16 rotate make simultaneously workstation 13 under the guide effect of rectangle spout 21 around slide, the main control line board 14 is driven to slide back and forth in the process of sliding the workbench 13 back and forth;
in the embodiment, when the main control line board 14 is required to be maintained, the crank wheel 17 is rotated, the crank wheel 17 drives the telescopic lead screw 16 to rotate synchronously, the telescopic lead screw 16 rotates and simultaneously drives the workbench 13 to slide forwards, when the main control line board 14 slides to the front side of the box body 1, the crank wheel 17 stops rotating, after the main control line board 14 is maintained, the crank wheel 17 reversely rotates and simultaneously drives the workbench 13 to reset, and after the workbench 13 resets, the crank wheel 17 stops rotating.
Fourth embodiment, on the basis of the third embodiment, when an electrical component is installed, most of wires cannot be avoided, and the wires are not easily distinguished when the wires are overhauled, the main control wire board 14 is provided with a plurality of wire insertion holes 18, the wire insertion holes 18 are beneficial to wire connection between the electrical components and fixation of the electrical components, the wire insertion holes 18 are provided with a plurality of wire slots 19, the wire slots 19 fix the trend of the wires, the wires are prevented from being exposed in the box body 1 in a messy manner, in order to prevent the wires in the wire slots 19 from being separated from the wire slots 19 or being not easily fixed in the wire slots 19, the embodiment provides a fixing mode, the plurality of wire slots 19 are fixedly connected with a plurality of positioning buckles 20, and the positioning buckles 20 fix the wires, and connecting the electric wire with the corresponding electric element through the positioning buckle 20.
Fifth embodiment, on the basis of the first embodiment, in the process of operating the electrical components and the water-passing coil 2 of the exhaust fan 8, noise is generated and affects the hearing of people, so this embodiment provides a specific noise reduction device, specifically, the inner walls of the left and right sides of the box body 1 are both provided with rectangular chutes 21, the two rectangular chutes 21 are both connected with sound insulation boards 22 in a front-back sliding manner, the sound insulation boards 22 are connected with the box body 1 in a sliding manner, so as to facilitate the inspection and replacement of the sound insulation boards 22, the type of the sound insulation board 22 is vinco _51, the sound insulation board 22vinco _51 is a high-density material, the magnesium oxide board is used as a material, the sound insulation material is added in the middle of the sound insulation board, the specification weight is 50 kg/block, 1440 x 16 mm/18 mm/20 mm, the magnesium oxide board is used as a raw material, and the fire protection GB8624-1997A level is adopted, the sound insulation amount 37DB is a first-grade sound insulation material, is environment-friendly E1 grade, contains 100 percent of asbestos, is smokeless when meeting fire, and creates a green healthy living space.
Sixth embodiment, on the basis of the fourth embodiment, in order to perform centralized control on the control cabinet, a control cabinet door 23 is rotatably connected to the front end of the box body 1, an operation panel 24 is fixedly connected to the front side of the control cabinet door 23, the control module is fixedly connected to the inside of the operation panel 24, the control on the control module can be completed by operating the operation panel 24, an information display screen 25 and a plurality of operation buttons 26 are fixedly connected to the operation panel 24, the operation information inside the control cabinet is displayed through the information display screen 25, and the operation control on the electrical components inside the box body 1 and the whole control cabinet system can be performed through the operation buttons 26;
the operation panel 24 is connected with an alarm 27 fixedly connected with the box body 1, when the operation of electrical elements in the box body 1 is failed, the operation panel 24 controls the alarm 27 to give an alarm, and prompts workers to maintain and monitor the control cabinet to discharge the failure;
When the wire clip is used specifically, the wire connected with the electrical element on the main control wire board 14 is arranged in the wire slot 19, and the wire passes through the positioning buckle 20 and is fixedly limited in the wire slot 19;
then, the water inlet pipe 3 is communicated with the municipal water supply pipe through a water discharge valve, the water discharge valve is opened, water enters the water passing coil pipe 2 through the water inlet pipe 3, water flowing in a circle in the box body 1 returns to the municipal water supply pipe through a water outlet pipe 4 and enters a user along with a main water body to supply water for the user, and heat dissipation of the box body 1 is completed;
when the temperature in the box body 1 rises to a set upper limit value, the temperature sensor 9 senses the temperature and sends a signal to the operation panel 24, the operation panel 24 controls the control module to send a signal to control the exhaust fan 8 to work, outside air enters the box body 1 through the air filter screen 11 and the ventilation window 5 and is exhausted through the ventilation net 7 under the action of the exhaust fan 8 to take away heat in the box body 1, further heat dissipation of the interior of the box body 1 is completed, and when the temperature is lower than the upper limit value, the temperature sensor 9 enables the exhaust fan 8 to stop working through the operation panel 24 and the control module;
when the main control line board 14 needs to be maintained, the crank wheel 17 is rotated, the crank wheel 17 rotates through the telescopic screw 16 to drive the workbench 13 to slide forwards, when the main control line board 14 slides to the front side of the box body 1, the crank wheel 17 stops rotating, after the main control line board 14 is maintained, the crank wheel 17 reversely rotates, meanwhile, the workbench 13 is driven to reset, and after the workbench 13 resets, the crank wheel 17 stops rotating, so that the whole process is completed.
The utility model discloses improve to current frequency conversion water supply switch board, through addding water-cooling, forced air cooling heat dissipation mechanism, dust keeper, platform slide mechanism and fall the effectual problem of maintaining in the effectual solution present water supply switch board heat dissipation, the real time monitoring pump house operation condition that can not, theftproof nature is poor, the equipment operation in-process noise pollution appears and needs personnel's access control cabinet, this utility model structure is succinct stable, has high universality.
Claims (6)
1. The novel variable-frequency water supply control cabinet comprises a box body (1) and is characterized in that a water-passing coil pipe (2) is fixedly connected to the inner wall of the box body (1), the water-passing coil pipe (2) is fixedly communicated with a water inlet pipe (3) fixedly connected to the upper portion of the rear end of the box body (1), the water inlet pipe (3) is communicated with a municipal water supply pipe, a water outlet pipe (4) fixedly connected to the lower portion of the rear end of the box body (1) is fixedly communicated with the other end of the water-passing coil pipe (2), and the water outlet pipe (4) is communicated with the municipal water supply pipe through a water pipe;
a fan mounting hole (6) is formed in the rear end of the box body (1), an air ventilation net (7) is fixedly connected to one side of the fan mounting hole (6), an exhaust fan (8) arranged in the fan mounting hole (6) is fixedly connected to the rear end of the air ventilation net (7), and the exhaust fan (8) is externally connected with a power supply;
the left side, the right side and the rear end of the box body (1) are provided with ventilation windows (5);
box (1) rear side inner wall fixedly connected with temperature sensor (9), temperature sensor (9) be connected with fixed connection and be in box (1) on the control module, control module with exhaust fan (8) electricity connect.
2. The novel variable-frequency water supply control cabinet according to claim 1, wherein a sliding rail (10) is arranged on the ventilation window (5), an air filter screen (11) is connected in the sliding rail (10) in a sliding manner, and one end of the air filter screen (11) is fixedly connected with a push-pull handle (12).
3. The novel variable-frequency water supply control cabinet according to claim 1, characterized in that a workbench (13) is slidably connected in the box body (1) back and forth, a main control line board (14) is fixedly connected to the upper end of the workbench (13), a telescopic threaded hole (15) is formed in the workbench (13), a telescopic lead screw (16) rotatably connected to the box body (1) is cooperatively connected to the telescopic threaded hole (15), and a crank wheel (17) rotatably connected to the rear side of the box body (1) is fixedly connected to the telescopic lead screw (16).
4. The novel variable-frequency water supply control cabinet according to claim 3, wherein a plurality of wire insertion holes (18) are formed in the main control wire board (14), a plurality of wire slots (19) are formed beside the wire insertion holes (18), and a plurality of positioning buckles (20) are fixedly connected to the plurality of wire slots (19).
5. The novel variable-frequency water supply control cabinet according to claim 1, wherein main control line boards (14) are arranged on inner wall surfaces of left and right sides of the cabinet body (1), sound insulation boards (22) are connected in the two main control line boards (14) in a front-back sliding manner, and the type of the sound insulation board (22) is vinco _ 51.
6. The novel variable-frequency water supply control cabinet according to claim 4, characterized in that a control cabinet door (23) is rotatably connected to the front end of the cabinet body (1), an operation panel (24) is fixedly connected to the front side of the control cabinet door (23), the control module is fixedly connected to the inside of the operation panel (24), and an information display screen (25) and a plurality of operation buttons (26) are fixedly connected to the operation panel (24);
the operation panel (24) is connected with an alarm (27) fixedly connected with the box body (1);
temperature sensor (9), exhaust fan (8), alarm (27) and control module with operating panel (24) electricity connect, operating panel (24) external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937748.9U CN211143189U (en) | 2019-11-12 | 2019-11-12 | Novel frequency conversion water supply control cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937748.9U CN211143189U (en) | 2019-11-12 | 2019-11-12 | Novel frequency conversion water supply control cabinet |
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| CN211143189U true CN211143189U (en) | 2020-07-31 |
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| CN201921937748.9U Active CN211143189U (en) | 2019-11-12 | 2019-11-12 | Novel frequency conversion water supply control cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123407A (en) * | 2021-05-08 | 2021-07-16 | 河南省百隆建筑工程有限公司 | Automatic pressurizing device for water supply pipeline of community |
| CN114245671A (en) * | 2021-12-16 | 2022-03-25 | 上饶市方舟电子有限公司 | Noise reduction and flow guide device based on high-voltage frequency converter |
| CN114575634A (en) * | 2022-03-18 | 2022-06-03 | 合肥硬派供水技术有限公司 | High-performance integrated intelligent pump room |
-
2019
- 2019-11-12 CN CN201921937748.9U patent/CN211143189U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123407A (en) * | 2021-05-08 | 2021-07-16 | 河南省百隆建筑工程有限公司 | Automatic pressurizing device for water supply pipeline of community |
| CN114245671A (en) * | 2021-12-16 | 2022-03-25 | 上饶市方舟电子有限公司 | Noise reduction and flow guide device based on high-voltage frequency converter |
| CN114245671B (en) * | 2021-12-16 | 2025-02-07 | 上饶市方舟电子有限公司 | A noise reduction and flow guiding device based on high voltage frequency converter |
| CN114575634A (en) * | 2022-03-18 | 2022-06-03 | 合肥硬派供水技术有限公司 | High-performance integrated intelligent pump room |
| CN114575634B (en) * | 2022-03-18 | 2024-03-15 | 合肥硬派供水技术有限公司 | High-performance integrated intelligent pump room |
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