CN218206956U - Portable intelligent water replenishing pump for nuclear power plant - Google Patents
Portable intelligent water replenishing pump for nuclear power plant Download PDFInfo
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- CN218206956U CN218206956U CN202221716641.3U CN202221716641U CN218206956U CN 218206956 U CN218206956 U CN 218206956U CN 202221716641 U CN202221716641 U CN 202221716641U CN 218206956 U CN218206956 U CN 218206956U
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Abstract
The utility model particularly relates to a portable intelligent water replenishing pump for a nuclear power plant, which comprises a shell, a power supply, a motor, a pump, a pressure increasing valve, a pressure reducing valve, a gas eliminator, a pressure sensor and a digital display meter; the power supply, the motor and the pump are arranged in the shell; the digital display meter and the pressure sensor are connected in series and then connected in parallel at two ends of the power supply, and the motor and the pump are connected in series and then connected in parallel at two ends of the power supply; the pump inlet is connected with a water source pipeline, the pump outlet is connected with a pipeline of equipment to be supplemented with water, and a pressure increasing valve, a gas eliminator, a pressure sensor, a digital display meter and a pressure reducing valve are sequentially arranged on the pipeline of the pump outlet connected with the equipment to be supplemented with water. The utility model discloses a portable intelligent moisturizing pump of nuclear power plant collects and fills water exhaust, draws water, pressurize test, system pressure measurement, system leak hunting, level gauge moisturizing test and back flush etc. as an organic whole to conveniently carry and independently supply power, satisfy the on-the-spot demand of nuclear power plant's instrument control instrument check-up.
Description
Technical Field
The utility model relates to a nuclear power plant's moisturizing pump technical field especially relates to a portable intelligent moisturizing pump of nuclear power plant.
Background
After the nuclear power plant instrument control instrument is checked, the instrument control instrument pipeline is filled with water and exhausted, and the measurement accuracy of the on-site instrument control instrument is ensured. At present, a vertical single-cylinder manual reciprocating pump (hereinafter referred to as a hand pump) is adopted for water filling and air exhaust of an instrument control instrument pipeline. The hand pump comprises a water tank, a bracket, a pump body, a pressure gauge, a water inlet and outlet valve, a handle and a working connecting pipe; the pump body is made of integral forged steel and is fixed on the bracket through a bolt; the support is installed on the water tank, and the pressure gauge, the water inlet and outlet valve, the handle and the working connecting pipe are installed on the pump body or connected with the pump body. When the handle is shaken, the force arm fork and the force fork drive the plunger to reciprocate up and down, so that the alternate suction and discharge processes of the pump are realized. When the vacuum pump works, the handle is lifted to drive the plunger to rise, the inner volume of the water tank is increased to form vacuum, and working medium in the water tank enters the water tank through the water suction pipe and the water inlet valve under the action of atmospheric pressure. When the handle is pressed downwards, the plunger moves downwards to force the working medium to jack the water outlet valve, pass through the control valve and the working connecting pipe and be sent into the tested device.
When the water inlet of the hand pump is discontinuous, air can be mixed into the pump cavity of the hand pump along with the water, especially when the inlet is open to the atmosphere, and an operator continuously operates the handle, a large amount of air can enter the pump cavity, and the accuracy of instrument indication is greatly influenced. Meanwhile, in order to prevent rusting, a water tank of the hand pump is cast by forged steel, is heavy in size, is not beneficial to moving of instrument control personnel, and is easy to mistakenly touch field equipment when in operation in a limited space.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a portable intelligent water replenishing pump for a nuclear power plant aiming at the problems existing in the verification process of the instrument control instrument of the nuclear power plant, wherein the water replenishing pump integrates water filling and air exhausting, water pumping, pressure maintaining test, system pressure measurement, system leakage detection, water replenishing test of a liquid level meter, back washing and the like, is convenient to carry and independently supplies power, and meets the requirements of the verification site of the instrument control instrument of the nuclear power plant.
In order to achieve the above object, the present invention provides the following technical solutions:
a portable intelligent water replenishing pump for a nuclear power plant comprises a shell, a power supply, a motor, a pump, a pressure increasing valve, a pressure reducing valve, a gas eliminator, a pressure sensor and a digital display meter; the power supply, the motor and the pump are arranged in the shell; the digital display meter and the pressure sensor are connected in series and then connected in parallel at two ends of the power supply, and the motor and the pump are connected in series and then connected in parallel at two ends of the power supply; the pump inlet is connected with a water source pipeline, the pump outlet is connected with a pipeline of equipment to be supplemented with water, and a pressure increasing valve, a gas eliminator, a pressure sensor, a digital display meter and a pressure reducing valve are sequentially arranged on the pipeline of the pump outlet connected with the equipment to be supplemented with water.
The working principle is as follows: the utility model discloses a portable intelligent water replenishing pump of nuclear power plant, the power supply provides the power for the motor, and the motor provides the power source for the pump; the water replenishing operation can be carried out by opening the pressure increasing valve; when the pressure display exceeds a set value, opening a pressure reducing valve to realize pressure reduction operation; the air eliminator eliminates air in the water pumped out from the pump; the pressure sensor measures the pressure of a pipeline connected with the outlet of the pump and the equipment to be supplemented with water, when the pressure of the pipeline changes, the pressure sensor inputs a current signal into the digital display meter, and the digital display meter converts the current signal of the pressure sensor into a corresponding pressure value for display; the pump entry is connected with the water source pipe, and pump and water source separation make things convenient for on-spot water intaking, under the circumstances of guaranteeing power, motor and pump integrality, ensure the portable intelligent moisturizing pump volume minimizing of nuclear power plant, be convenient for remove and carry. In the whole water replenishing process, the device has small vibration.
Further, the output power of the motor is not less than 48W, and the output pressure of the pump is not less than 120PSI (8.3 bar). The output pressure of the pump is related to the output power of the motor, and the larger the output power of the motor is, the larger the output pressure of the pump is.
Further, the pump is a double diaphragm pump, the double diaphragm pump comprises a diaphragm pump A and a diaphragm pump B, the motor, the diaphragm pump A and the diaphragm pump B are connected in series and then connected in parallel at two ends of the power supply, and the diaphragm pump A and the diaphragm pump B are connected in series to obtain larger output pressure; the inlet of the diaphragm pump A is connected with a water source pipeline; the outlet of the diaphragm pump B is connected with a pipeline of the equipment to be supplemented with water, and a pressure increasing valve, a gas eliminator, a pressure sensor, a digital display meter and a pressure reducing valve are sequentially arranged on the pipeline of the outlet of the diaphragm pump B connected with the equipment to be supplemented with water. Adopt two diaphragm pumps, realize the pressure boost of the portable intelligent moisturizing pump of nuclear power plant, can cover aqueous medium throughout the factory when guaranteeing to use the portable intelligent moisturizing pump of nuclear power plant to carry out the moisturizing operation.
Further, the power supply is a lithium battery pack, and the lithium battery pack is a 18650 lithium battery pack. 18650 lithium battery pack has small, capacity big and technical mature characteristics, and wide application is in domestic appliances and industrial appliances such as flashlight, mobile appliance and electric motor car.
Furthermore, the power supply is a 18650 lithium battery pack of 12V 10A, and the full charge time is not more than 2 hours; when the motor is fully charged, the service time of the maximum output power of the motor is not less than 1.5 hours. The lithium battery pack is a portable independent power supply type power supply with good energy storage effect, and provides power required by the motor.
Furthermore, the digital display meter has wide power supply range, stability and moderate precision, and is used for reliable use, 4-20mA current is input by the pressure sensor after 12V power supply display, and the digital display meter converts the current signal of the pressure sensor into a corresponding pressure value for display.
Further, the shell is made of aluminum alloy, the length of the shell is smaller than 180mm, the width of the shell is smaller than 170mm, the height of the shell is smaller than 220mm, and the total weight of the shell is not larger than 2 kg. The shell adopts aluminum alloy material, increases the durability and the portability of the portable intelligent water replenishing pump of the nuclear power plant.
Furthermore, a handle is arranged on the shell, and the handle and the shell are integrally formed; the shell four corners are provided with foot pads with the thickness of 5mm, so that the portable intelligent water replenishing pump of the nuclear power plant is convenient to take, place and move in the taking process.
Further, the inlet of the diaphragm pump A is connected with a water source through a water inlet pipe; one end of the water inlet pipe is connected with an inlet of the diaphragm pump A through a specification clamping sleeve or a quick connector, and the other end of the water inlet pipe is connected with a water source through a specification clamping sleeve or a quick connector; the diaphragm pump B is connected with equipment to be replenished through a water outlet pipe, and a pressure increasing valve, a gas eliminator, a pressure sensor, a digital display meter and a pressure reducing valve are sequentially arranged on the water outlet pipe; one end of the water outlet pipe is connected with the diaphragm pump B through a specification clamping sleeve or a quick connector, and the other end of the water outlet pipe is connected with equipment to be supplemented with water through a specification clamping sleeve or a quick connector.
Furthermore, the water inlet pipe and the water outlet pipe are transparent hoses, so that whether bubbles exist in the pipeline or not can be observed conveniently.
Furthermore, the digital display meter is connected with a water outlet pipe through a pipeline, and the pipeline is a 1.5-meter freely telescopic hose; the water outlet pipe is detachably connected with a pressure gauge, and the digital display gauge and the pressure gauge are arranged at the same height with the on-site equipment to be supplemented with water so as to achieve the purpose of parameter comparison.
Furthermore, the precision of the pressure sensor is 0.5 grade, and the pressure sensor has professional water hammer impact prevention design, good electrical performance and long-term stability. The pressure sensor measures the pressure in the water pipe, when the pressure in the water outlet pipe changes, the current of the pressure sensor changes between 4 and 20mA, and the digital display meter converts the current signal of the pressure sensor into a corresponding pressure value to display.
Furthermore, the portable intelligent water replenishing pump of the nuclear power plant is provided with an electric quantity display meter; the electric quantity display meter is connected in parallel at two ends of the power supply and used for indicating the electric quantity of the power supply after the power supply is turned on, so that the charging is facilitated in time; the electric quantity display meter is provided with a power supply voltage warning value, and when the power supply voltage is lower than the power supply voltage warning value, the electric quantity display meter gives an alarm to avoid over-discharge to damage the battery.
Further, the power is equipped with switch, the motor is equipped with motor switch, power one end and switch circuit connection, the switch other end respectively with digital display table, electric quantity display table and motor switch one end circuit connection, the digital display table other end in proper order with pressure sensor and power other end circuit connection, the electric quantity display table other end and power other end circuit connection, the motor switch other end in proper order with motor, diaphragm pump A and diaphragm pump B and power other end circuit connection.
Further, the motor switch is an overvoltage protection switch, and the motor switch cuts off the circuit connection between the power supply and the motor when the output pressure of the pump exceeds the rated pressure, so that the motor is protected from overload damage.
The utility model has the advantages of:
the utility model provides a power supply is provided for the motor after the independent power supply is charged, the motor provides the power source for the pump, and the output of the pump is ensured to be within the design range; the high-pressure water replenishing operation can be realized only by pressing a power switch, and the operation is simple; gas in the medium is emptied in the water replenishing process, so that no gas exists in water pumped into the field equipment, and the influence of the gas on the fluctuation of the field instrument is reduced to the minimum; the volume and the weight of the manual pump are only one third of those of the manual pump, the operation is time-saving and labor-saving, the portability is greatly improved, and the risk of mistakenly touching the field equipment is reduced.
Drawings
FIG. 1 is a schematic structural view of the portable intelligent water replenishing pump for nuclear power plants of the utility model;
fig. 2 is the utility model discloses a portable intelligent water replenishing pump circuit diagram of nuclear power plant.
In the figure, 1, a pressure increasing valve; 2. a pressure reducing valve; 3. a digital display meter; 4. a gas eliminator; 5. a pressure sensor; 6. a power source; 7. a motor; 8. a water source; 9. a diaphragm pump A; 10. a diaphragm pump B; 11. a power switch; 12. a motor switch; 13. electric quantity display meter.
Detailed Description
In the description of the present invention, it should be understood that the terms "left end", "right end", "above", "below", "outside", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1-2, the utility model provides a portable intelligent water replenishing pump for nuclear power plants, which comprises a shell, a power supply 6, a motor 7, a pump, a pressure increasing valve 1, a pressure reducing valve 2, a gas eliminator 4, a pressure sensor 5 and a digital display meter 3; the power supply 6, the motor 7 and the pump are arranged in the shell; the digital display meter 3 and the pressure sensor 5 are connected in series and then connected in parallel at two ends of the power supply 6, and the motor 7 and the pump are connected in series and then connected in parallel at two ends of the power supply 6; the pump inlet is connected with a water source 8 through a pipeline, the pump outlet is connected with a device to be supplemented through a pipeline, and a pressure increasing valve 1, a gas eliminator 4, a pressure sensor 5, a digital display meter 3 and a pressure reducing valve 2 are sequentially arranged on the pipeline through which the pump outlet is connected with the device to be supplemented.
Further, the output power of the motor 7 is not less than 48W, and the output pressure of the pump is not less than 120PSI (8.3 bar). The output pressure of the pump is related to the output power of the motor 7, and the larger the output power of the motor 7 is, the larger the output pressure of the pump is.
Further, the pump is a double diaphragm pump and comprises a diaphragm pump A9 and a diaphragm pump B10, the motor 7, the diaphragm pump A9 and the diaphragm pump B10 are connected in series and then connected in parallel at two ends of the power supply 6, and the diaphragm pump A9 and the diaphragm pump B10 are connected in series to obtain larger output pressure; the inlet of the diaphragm pump A9 is connected with a water source 8 through a pipeline; an outlet of the diaphragm pump B10 is connected with a pipeline of equipment to be supplemented with water, and a pressure increasing valve 1, a gas eliminator 4, a pressure sensor 5, a digital display 3 and a pressure reducing valve 2 are sequentially arranged on the pipeline connecting the outlet of the diaphragm pump B10 with the equipment to be supplemented with water. Adopt two diaphragm pumps, realize the pressure boost of the portable intelligent moisturizing pump of nuclear power plant, the output pressure of pump is not less than 120PSI, and the output pressure height of pump is not less than 80m, can cover aqueous medium when guaranteeing to use the portable intelligent moisturizing pump of nuclear power plant to carry out the moisturizing operation.
Further, the power source 6 is a lithium battery pack, and the lithium battery pack is a 18650 lithium battery pack. 18650 lithium battery pack has small, capacity big and technical mature characteristics, and wide application is in domestic appliances and industrial appliances such as flashlight, mobile appliance and electric motor car.
Further, the power supply 6 is a 18650 lithium battery pack of 12V 10A, and the full charge time is not more than 2 hours; when the motor is fully charged, the service time of the maximum output power of the motor 7 is not less than 1.5 hours. The lithium battery pack is a portable independent power supply type power supply with good energy storage effect, and provides power required by the motor 7.
Furthermore, the digital display meter 3 has wide power supply range, stability and moderate precision, and is used for reliable use, 4-20mA current is input by the pressure sensor 5 after 12V power supply display, and the digital display meter 3 converts a current signal of the pressure sensor 5 into a corresponding pressure value for display.
Further, the shell is made of aluminum alloy, the length is less than 180mm, the width is less than 170mm, the height is less than 220mm, and the total weight is not more than 2 kg. The shell adopts the aluminum alloy material, increases the durability and the portability of portable intelligent moisturizing pump of nuclear power plant.
Furthermore, a handle is arranged on the shell, and the handle and the shell are integrally formed; the shell four corners are provided with foot pads with the thickness of 5mm, so that the portable intelligent water replenishing pump of the nuclear power plant is convenient to take, place and move in the taking process.
Further, the inlet of the diaphragm pump A9 is connected with a water source 8 through a water inlet pipe; one end of the water inlet pipe is connected with an inlet of the diaphragm pump A9 through a specification clamping sleeve or a quick connector, and the other end of the water inlet pipe is connected with a water source 8 through a specification clamping sleeve or a quick connector; the diaphragm pump B10 is connected with equipment to be supplemented with water through a water outlet pipe, and a pressure increasing valve 1, a gas eliminator 4, a pressure sensor 5, a digital display meter 3 and a pressure reducing valve 2 are sequentially arranged on the water outlet pipe; one end of the water outlet pipe is connected with the diaphragm pump B10 through a specification clamping sleeve or a quick connector, and the other end of the water outlet pipe is connected with equipment to be replenished through a specification clamping sleeve or a quick connector.
Furthermore, the water inlet pipe and the water outlet pipe are transparent hoses, so that whether bubbles exist in the pipeline or not can be observed conveniently.
Further, the digital display meter 3 is connected with a water outlet pipe through a pipeline, and the pipeline is a 1.5-meter freely telescopic hose; the water outlet pipe is detachably connected with a pressure gauge, and the digital display meter 3 and the pressure gauge are arranged at the same height with the on-site equipment to be supplemented with water so as to achieve the purpose of parameter comparison.
Furthermore, the accuracy of the pressure sensor 5 is 0.5 grade, and the pressure sensor has professional water hammer impact resistant design, good electrical performance and long-term stability. The pressure sensor 5 measures the pressure in the water outlet pipe, when the pressure in the water outlet pipe changes, the current of the pressure sensor 5 changes between 4 and 20mA, and the digital display meter 3 converts the current signal of the pressure sensor 5 into a corresponding pressure value to display.
Further, the portable intelligent water replenishing pump of the nuclear power plant is provided with an electric quantity display meter 13; the electric quantity display meter 13 is connected in parallel at two ends of the power supply 6 and used for indicating the electric quantity of the power supply 6 after the power supply 6 is turned on, so that the charging is convenient in time; the electric quantity display meter 13 is provided with a power supply voltage warning value, and when the power supply voltage is lower than the power supply voltage warning value, the electric quantity display meter 13 gives an alarm to avoid over-discharging to damage the battery.
Further, the equipment to be supplemented with water comprises a liquid storage tank, an instrument pipeline and a flow indication transmitter.
Further, power 6 is equipped with switch 11, motor 7 is equipped with motor switch 12, 6 one end of power and 11 circuit connections of switch, the 11 other ends of switch respectively with digital display table 3, electric quantity display table 13 and 12 one end circuit connections of motor switch, the 3 other ends of digital display table are in proper order with pressure sensor 5 and another end circuit connection of power 6, the 13 other ends of electric quantity display table are in proper order in circuit connection with another end circuit connection of power 6, the 12 other ends of motor switch in proper order with motor 7, diaphragm pump A9 and diaphragm pump B10 and another end circuit connection of power 6.
Further, the motor switch 12 is an overvoltage protection switch, and the motor switch 12 cuts off the circuit connection between the power supply 6 and the motor 7 when the output pressure of the pump exceeds the rated pressure, so as to protect the motor 7 from overload damage.
Before the portable intelligent moisturizing pump of nuclear power plant worked, opened power 6 through switch 11, through 6 electric quantities of electric quantity display table 13 inspection power, ensured that 6 electric quantities of power satisfy the live time, in time charge when unsatisfied, prepare corresponding joint and pipe. When the water storage tank starts to work, a power supply is turned on, the electric quantity indication and the valve are observed, the water inlet and outlet interfaces are not abnormal, the water inlet and outlet pipes are all placed into the water storage tank, the pump is turned on, whether bubbles exist in the water outlet pipe or not is observed, when bubbles do not exist, the water outlet pipe is connected into a related pipeline, and the required water flushing, exhausting, pressurizing, pressure maintaining, water replenishing, flushing and the like are carried out. If air enters the water inlet pipeline, the pressure reducing valve can be opened for a period of time to discharge the air. Such as excess pipe section pressure, may be relieved by a pressure relief valve. The portable intelligent water replenishing pump of the nuclear power plant needs to be charged after the use or during low-voltage alarm, a charging interface can be found behind the machine at the moment, a matched charger is connected for charging, and the charger displays that a green light represents that a power supply is full of electricity after the charging is finished.
The utility model discloses a portable intelligent moisturizing pump of nuclear power plant is used for the bath exhaust of site instrument and pipeline, reduces the fluctuation that the instrument instructed, guarantees its readiness.
The utility model discloses a portable intelligent moisturizing pump of nuclear power plant charges before the operation, only needs to press switch during the operation and can wash by water the exhaust operation, easy operation.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (14)
1. A portable intelligent water replenishing pump for a nuclear power plant is characterized by comprising a shell, a power supply (6), a motor (7), a pump, a pressure increasing valve (1), a pressure reducing valve (2), a gas eliminator (4), a pressure sensor (5) and a digital display meter (3); the power supply (6), the motor (7) and the pump are arranged in the shell; the digital display meter (3) and the pressure sensor (5) are connected in series and then connected in parallel at two ends of the power supply (6), and the motor (7) and the pump are connected in series and then connected in parallel at two ends of the power supply (6); the pump inlet is connected with a water source (8) through a pipeline, the pump outlet is connected with a device to be supplemented with water through a pipeline, and a booster valve (1), a gas eliminator (4), a pressure sensor (5), a digital display meter (3) and a pressure reducing valve (2) are sequentially arranged on the pipeline of the pump outlet connected with the device to be supplemented with water.
2. The portable intelligent water replenishing pump for the nuclear power plant according to claim 1, characterized in that the pump is a double diaphragm pump, the double diaphragm pump comprises a diaphragm pump A (9) and a diaphragm pump B (10), and the motor (7), the diaphragm pump A (9) and the diaphragm pump B (10) are connected in series and then connected in parallel at two ends of the power supply (6); the inlet of the diaphragm pump A (9) is connected with a water source (8) through a pipeline; the outlet of the diaphragm pump B (10) is connected with a pipeline of equipment to be supplemented with water, and a booster valve (1), a gas eliminator (4), a pressure sensor (5), a digital display meter (3) and a pressure reducing valve (2) are sequentially arranged on the pipeline connecting the outlet of the diaphragm pump B (10) with the equipment to be supplemented with water.
3. The portable intelligent water replenishing pump for nuclear power plants according to claim 2, characterized in that the inlet of the diaphragm pump A (9) is connected with a water source (8) through a water inlet pipe; one end of the water inlet pipe is connected with an inlet of a diaphragm pump A (9) through a specification clamping sleeve or a quick connector, and the other end of the water inlet pipe is connected with a water source (8) through a specification clamping sleeve or a quick connector; the diaphragm pump B (10) is connected with equipment to be supplemented with water through a water outlet pipe, and a pressure increasing valve (1), a gas eliminator (4), a pressure sensor (5), a digital display meter (3) and a pressure reducing valve (2) are sequentially arranged on the water outlet pipe; one end of the water outlet pipe is connected with the diaphragm pump B (10) through a specification clamping sleeve or a quick connector, and the other end of the water outlet pipe is connected with equipment to be supplemented with water through a specification clamping sleeve or a quick connector.
4. The portable intelligent water replenishing pump of nuclear power plant according to claim 3, characterized in that the water inlet pipe and the water outlet pipe are transparent hoses.
5. The portable intelligent water replenishing pump of nuclear power plant according to claim 3, characterized in that the digital display meter (3) is connected with a water outlet pipe through a pipeline, and the pipeline is a 1.5 meter free telescopic hose; the water outlet pipe is detachably connected with a pressure gauge, and the digital display meter (3) and the pressure gauge are arranged at the same height as the on-site equipment to be replenished with water.
6. The portable intelligent nuclear power plant make-up pump according to claim 2, further comprising a power display meter (13); the electric quantity display meter (13) is connected in parallel with two ends of the power supply (6) and is used for indicating the electric quantity of the power supply (6) after the power supply (6) is turned on; the electric quantity display meter (13) is provided with a power supply voltage warning value, and when the power supply voltage is lower than the power supply voltage warning value, the electric quantity display meter (13) gives an alarm.
7. The portable intelligent water replenishing pump of the nuclear power plant, according to claim 6, characterized in that the power supply (6) is provided with a power switch (11), the motor (7) is provided with a motor switch (12), one end of the power supply (6) is in circuit connection with the power switch (11), the other end of the power switch (11) is in circuit connection with a digital display meter (3), an electric quantity display meter (13) and one end of the motor switch (12) respectively, the other end of the digital display meter (3) is in circuit connection with the other ends of the pressure sensor (5) and the power supply (6) in sequence, the other end of the electric quantity display meter (13) is in circuit connection with the other end of the power supply (6), and the other end of the motor switch (12) is in circuit connection with the motor (7), the diaphragm pump A (9), the diaphragm pump B (10) and the other end of the power supply (6) in sequence.
8. The portable intelligent water replenishing pump of the nuclear power plant according to claim 7, characterized in that the motor switch (12) is an overvoltage protection switch, and the motor switch (12) cuts off the circuit connection between the power supply (6) and the motor (7) when the output pressure of the pump exceeds the rated pressure.
9. The portable intelligent water replenishing pump of nuclear power plant according to any one of claims 1 to 8, characterized in that the accuracy of the pressure sensor (5) is 0.5 grade, with a water hammer impact resistant design, and the current is 4-20mA.
10. The portable intelligent water replenishing pump for nuclear power plants according to any one of claims 1 to 8, characterized in that the power source (6) is a lithium battery pack, and the lithium battery pack is a 18650 lithium battery pack.
11. The portable intelligent water replenishing pump of nuclear power plant according to claim 10, characterized in that the power supply (6) is a 18650 lithium battery pack of 12V 10A.
12. The portable intelligent water replenishing pump of nuclear power plant according to any one of claims 1 to 8, characterized in that the output power of the motor (7) is not less than 48W, and the output pressure of the pump is not less than 120PSI.
13. The portable intelligent water replenishing pump for nuclear power plants according to any one of claims 1 to 8, wherein the shell is made of aluminum alloy, the length is less than 180mm, the width is less than 170mm, the height is less than 220mm, and the total weight is not more than 2 kg.
14. The portable intelligent water replenishing pump for nuclear power plants according to claim 13, wherein a handle is arranged on the housing, and the handle and the housing are integrally formed; foot pads with the thickness of 5mm are arranged at four corners of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221716641.3U CN218206956U (en) | 2022-07-04 | 2022-07-04 | Portable intelligent water replenishing pump for nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221716641.3U CN218206956U (en) | 2022-07-04 | 2022-07-04 | Portable intelligent water replenishing pump for nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218206956U true CN218206956U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221716641.3U Active CN218206956U (en) | 2022-07-04 | 2022-07-04 | Portable intelligent water replenishing pump for nuclear power plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN218206956U (en) |
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2022
- 2022-07-04 CN CN202221716641.3U patent/CN218206956U/en active Active
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