CN217276923U - Water pressure test system with controllable boosting rate - Google Patents
Water pressure test system with controllable boosting rate Download PDFInfo
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- CN217276923U CN217276923U CN202220119416.5U CN202220119416U CN217276923U CN 217276923 U CN217276923 U CN 217276923U CN 202220119416 U CN202220119416 U CN 202220119416U CN 217276923 U CN217276923 U CN 217276923U
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Abstract
The application discloses water pressure test system of controllable type of speed that steps up, including the booster pump, the check valve, the relief valve, the pressure holding vessel, save jar pressure sensor, electronic air-vent valve, high-pressure solenoid valve, sample pressure sensor, the relief valve, booster pump and water tank intercommunication, booster pump and check valve intercommunication, check valve and electronic air-vent valve intercommunication, the pressure holding vessel is connected in the check valve, between the electronic air-vent valve, the relief valve, holding vessel pressure sensor installs on the pressure holding vessel, electronic air-vent valve and high-pressure solenoid valve intercommunication, high-pressure solenoid valve and relief valve intercommunication, and be provided with pressure outlet between high-pressure solenoid valve and the relief valve, sample pressure sensor connects between high-pressure solenoid valve and pressure. The application discloses water pressure test system of controllable type of rate that steps up can make pressure rise with required speed to the realization provides stable rate that steps up for water pressure test process.
Description
Technical Field
The utility model relates to a water pressure test equipment technical field, in particular to water pressure test system of controllable type of speed that steps up.
Background
In the quality inspection process of water heaters and similar household appliances, water pressure testing needs to be performed on the appliances. At present, a water pressure testing machine on the market can not ensure linear rising of the rising speed of water pressure, and mainly comprises a mode that each factory controls a booster pump by a proportional valve or controls a water pump by a frequency converter to adjust the boosting rate, the proportional valve is influenced by a gas source and is difficult to avoid fluctuation, the boosting rate deviates from a standard required value and cannot be kept constantly, the boosting waiting time in the front-segment boosting process is long, and the boosting waiting time and the back-segment boosting speed are not in a linear relation. The frequency converter controlled water pump mode can only operate in a low-voltage state, and the same problem of unstable boosting process exists.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a water pressure test system of controllable type of rate of stepping up, solves the current water pressure test in-process that proposes among the background art and can not guarantee linear rising to the speed that water pressure rises.
In order to achieve the above purpose, the present application provides the following technical solutions: a water pressure testing system with controllable boosting rate comprises a booster pump, a one-way valve, a safety valve, a pressure storage tank, a storage tank pressure sensor, an electric pressure regulating valve, a high-pressure outlet electromagnetic valve, a sample pressure sensor and a pressure relief valve, wherein the inlet of the booster pump is communicated with a water tank, the outlet of the booster pump is communicated with the inlet of the one-way valve, the outlet of the one-way valve is communicated with the inlet of the electric pressure regulating valve, the pressure storage tank is connected between the one-way valve and the electric pressure regulating valve, the safety valve and the storage tank pressure sensor are installed on the pressure storage tank, the outlet of the electric pressure regulating valve is communicated with the inlet of the high-pressure outlet electromagnetic valve, the outlet of the high-pressure outlet electromagnetic valve is communicated with the inlet of the pressure relief valve, and a pressure outlet is arranged between the high-pressure outlet electromagnetic valve and the pressure relief valve, the sample pressure sensor is connected between the high pressure outlet solenoid valve and the pressure outlet.
Preferably, the booster pump, the storage tank pressure sensor, the electric pressure regulating valve, the high-pressure outlet electromagnetic valve, the sample pressure sensor and the pressure relief valve are respectively connected with a PLC (programmable logic controller).
Preferably, the pressure outlet is fitted with a connection flange for connection to a sample storage container.
Preferably, a sealing sleeve is arranged on the connecting flange.
Has the advantages that: the utility model provides a water pressure test system of controllable type of rate that steps up, based on storage jar pressure sensor and sample pressure sensor's testing result, increase pressure to the pressure storage tank through the booster pump, open behind the high pressure outlet solenoid valve, control servo motor drive electric pressure regulating valve governing speed makes pressure rise with required speed to the realization provides stable rate that steps up for water pressure test process.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a hydraulic pressure testing system with controllable pressure increase rate in embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a hydraulic pressure testing system with controllable pressure increase rate in embodiment 2 of the present application.
Reference numerals: 1. a booster pump; 2. a one-way valve; 3. a safety valve; 4. a pressure storage tank; 5. a tank pressure sensor; 6. an electric pressure regulating valve; 7. a high pressure outlet solenoid valve; 8. a sample pressure sensor; 9. a pressure relief valve; 10. a water tank; 11. A pressure outlet; 12. a PLC controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The water pressure testing system with the controllable boosting rate as shown in fig. 1 comprises a booster pump 1, a one-way valve 2, a safety valve 3, a pressure storage tank 4, a storage tank pressure sensor 5, an electric pressure regulating valve 6, a high-pressure outlet electromagnetic valve 7, a sample pressure sensor 8 and a pressure relief valve 9, wherein the booster pump 1, the one-way valve 2, the safety valve 3, the pressure storage tank 4, the storage tank pressure sensor 5, the electric pressure regulating valve 6, the high-pressure outlet electromagnetic valve 7, the sample pressure sensor 8 and the pressure relief valve 9 can be any one of the prior art. The inlet of the booster pump 1 is communicated with the water tank 10, the outlet of the booster pump 1 is communicated with the inlet of the one-way valve 2, the outlet of the one-way valve 2 is communicated with the inlet of the electric pressure regulating valve 6, when the booster pump 1 operates, the water of the water tank 10 is compressed through the one-way valve 2 and pressurized into the pressure storage tank 4, and the one-way valve 2 is used for preventing high-pressure water from flowing back and ensuring the safety of a pipeline system.
Pressure storage tank 4 is connected between check valve 2, electric pressure regulating valve 6, and relief valve 3 and storage jar pressure sensor 5 are installed on pressure storage tank 4, and storage jar pressure sensor 5 is used for detecting the pressure in pressure storage tank 4, and relief valve 3 is used for carrying out the pressure release protection to pressure storage tank 4 when the pressure in pressure storage tank 4 is too big. The outlet of the electric pressure regulating valve 6 is communicated with the inlet of a high-pressure outlet electromagnetic valve 7, the outlet of the high-pressure outlet electromagnetic valve 7 is communicated with the inlet of a pressure release valve 9, and a pressure outlet 11 is arranged between the high-pressure outlet electromagnetic valve 7 and the pressure release valve 9. Sample pressure sensor 8 connects between the export of high pressure outlet solenoid valve 7 and pressure outlet 11, and sample pressure sensor 8 is arranged in detecting the pressure in the sample, and pressure outlet 11 is arranged in being connected with the entry of sample for carry the pressure of system to the sample in, relief valve 9 is arranged in letting out the pressure in the sample after experimental completion.
In a preferred embodiment, the pressure outlet (11) is equipped with a connecting flange for connecting to a sample storage container, on which a sealing sleeve is arranged. The flange can be any one of prior art, if set up screwed ring flange etc. during the use, with sample storage container's inlet end through spiro union mode with 11 intercommunications of pressure outlet can, so that the dismouting, the seal cover can be any one among the prior art, like sealing rubber circle etc. the benefit that sets up like this is, through the setting of seal cover, can avoid when the seal part at sample storage container inlet end damages, ensure the sealing reliability between 11 and the sample storage container of pressure outlet, thereby ensure the quality of test and the reliability of test result.
The working principle is as follows: the method comprises the steps that after a sample is filled with water, the sample is communicated with a pipeline at a pressure outlet 11, according to requirements, a pressure value P and water pressure holding time T of a water pressure test are formulated, an operator pays attention to a detection result of a storage tank pressure sensor 5 in real time after the system is powered on, when a pressure value displayed by the storage tank pressure sensor 5 is smaller than a preset pressure value P, the operator starts a booster pump 1 to supplement pressure for a pressure storage tank 4, when the pressure value displayed by the storage tank pressure sensor 5 is larger than the preset pressure value P, the operator opens a high-pressure outlet electromagnetic valve 7 and controls a stepping motor on an electric pressure regulating valve 6 to regulate the pressure, and the requirement on the standard boosting rate starts boosting. Meanwhile, the detection value of the sample pressure sensor 8 is paid attention to in real time, when the detection value of the sample pressure sensor 8 is equal to a preset pressure value P, an operator closes the high-pressure outlet electromagnetic valve 7, the system enters a pressure maintaining stage, and when the pressure maintaining time reaches a water pressure maintaining time T, the operator opens the pressure release valve 9 to discharge the pressure in the sample to a drain pipe to flow outside. In the pressure relief process, after the pressure relief is finished by the detection pressure displayed by the sample pressure sensor 8, the operator closes the pressure relief valve 9, the stepping motor on the electric pressure regulating valve 6 returns to the initial position, the test is finished, and a judgment result is given.
In the water pressure testing system with controllable boosting rate of the embodiment, the booster pump 1 boosts the pressure into the pressure storage tank 4, and the pressure in the pressure storage tank 4 is regulated by the electric pressure regulating valve 6 and then provides a stable boosting rate for a sample through the high-pressure outlet electromagnetic valve 7. Meanwhile, the electric pressure regulating valve 6 has high withstand voltage and wide adjustable range, and the controllability of the high-pressure boosting rate of the system is realized.
Example 2
Unlike embodiment 1, referring to fig. 2, a booster pump 1, a tank pressure sensor 5, an electric pressure regulating valve 6, a high-pressure outlet solenoid valve 7, a sample pressure sensor 8, and a relief valve 9 are connected to a PLC controller 12, respectively. The PLC controller 12 may be any one of those in the prior art, and is configured to control start and stop of the booster pump 1, the electric pressure regulating valve 6, the high-pressure outlet solenoid valve 7, and the pressure release valve 9, so as to facilitate operation control of the system by a worker, and meanwhile, may further receive a pressure value of the pressure storage tank 4 detected by the storage tank pressure sensor 5, a pressure value in a sample detected by the sample pressure sensor 8, and display the pressure value, so as to facilitate the operator to obtain a pressure condition during operation of the system.
In some possible embodiments of the present embodiment, the sample is first filled with water and communicated with the pipeline at the pressure outlet 11, and parameters such as pressure, time and the like are preset on the human-machine interface of the PLC controller 12. The system is started through the PLC 12, the PLC 12 receives the detection result of the storage tank pressure sensor 5, when the storage tank pressure sensor 5 detects that the pressure in the pressure storage tank 4 is smaller than a preset pressure parameter, the PLC 12 starts the booster pump 1 to supplement the pressure to the pressure storage tank 4, when the storage tank pressure sensor 5 detects that the pressure in the pressure storage tank 4 is larger than the preset pressure parameter, the PLC 12 opens the high-pressure outlet electromagnetic valve 7 and controls the stepping motor on the electric pressure regulating valve 6 to regulate the pressure, and the boosting rate starts to boost according to the standard requirement.
When the sample pressure sensor 8 detects that the pressure in the sample is equal to a preset pressure parameter, the PLC 12 closes the high-pressure outlet electromagnetic valve 7, a pressure maintaining stage is started, when the pressure maintaining time reaches the preset time parameter, the PLC 12 opens the pressure release valve 9 to discharge the pressure in the sample to the drain pipe and flow outside, the PLC 12 closes the pressure release valve 9 after detecting that the pressure is discharged completely through the sample pressure sensor 8, the stepping motor on the electric pressure regulating valve 6 returns to the initial position, the test is finished, and a judgment result is given. Based on the aforesaid, provide pressure through pressure holding vessel 4, pressure output is steady, and sample pressure sensor 8 reacts soon, provides the signal for PLC controller 12 after reaching pressure, and PLC controller 12 closes for signal to high pressure outlet solenoid valve 7 again, and the process is realized soon, can avoid the pressure overshoot in the sample.
From the above description of the embodiments, it is clear for a person skilled in the art that the embodiments described herein can be implemented in hardware, software, firmware, middleware, code or any appropriate combination thereof. For a hardware implementation, the micro control unit PLC controller 12 may also be implemented in one or more of the following units: an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microprocessor, other electronic units designed to perform the functions described herein, or a combination thereof. In the present embodiment, a control manner of the corresponding electronic component through the pressure detection value is simply assumed by a person skilled in the art, and a control manner of the PLC controller 12 is adopted, so that accuracy and efficiency of control are improved compared with a manual control manner.
It should be noted that, in this document, the term "comprises/comprising" is intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. The water pressure testing system with the controllable boosting rate is characterized by comprising a booster pump (1), a one-way valve (2), a safety valve (3), a pressure storage tank (4), a storage tank pressure sensor (5), an electric pressure regulating valve (6), a high-pressure outlet electromagnetic valve (7), a sample pressure sensor (8) and a pressure relief valve (9), wherein an inlet of the booster pump (1) is communicated with a water tank (10), an outlet of the booster pump (1) is communicated with an inlet of the one-way valve (2), an outlet of the one-way valve (2) is communicated with an inlet of the electric pressure regulating valve (6), the pressure storage tank (4) is connected between the one-way valve (2) and the electric pressure regulating valve (6), the safety valve (3) and the storage tank pressure sensor (5) are installed on the pressure storage tank (4), and an outlet of the electric pressure regulating valve (6) is communicated with an inlet of the high-pressure outlet electromagnetic valve (7), the outlet of the high-pressure outlet electromagnetic valve (7) is communicated with the inlet of the pressure release valve (9), a pressure outlet (11) is arranged between the high-pressure outlet electromagnetic valve (7) and the pressure release valve (9), and the sample pressure sensor (8) is connected between the high-pressure outlet electromagnetic valve (7) and the pressure outlet (11).
2. The water pressure testing system with the controllable boosting rate according to claim 1, wherein the boosting pump (1), the storage tank pressure sensor (5), the electric pressure regulating valve (6), the high-pressure outlet solenoid valve (7), the sample pressure sensor (8) and the pressure relief valve (9) are respectively connected to a PLC controller (12).
3. The hydraulic pressure test system of the pressure-rise rate controllable type as recited in claim 1, wherein the pressure outlet (11) is provided with a connection flange for connection with a sample storage container.
4. The hydraulic pressure test system with controllable pressure rise rate of claim 3, wherein the connecting flange is provided with a sealing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220119416.5U CN217276923U (en) | 2022-01-18 | 2022-01-18 | Water pressure test system with controllable boosting rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220119416.5U CN217276923U (en) | 2022-01-18 | 2022-01-18 | Water pressure test system with controllable boosting rate |
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| Publication Number | Publication Date |
|---|---|
| CN217276923U true CN217276923U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220119416.5U Active CN217276923U (en) | 2022-01-18 | 2022-01-18 | Water pressure test system with controllable boosting rate |
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| CN (1) | CN217276923U (en) |
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- 2022-01-18 CN CN202220119416.5U patent/CN217276923U/en active Active
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