CN202676406U - Strength explosion detection machine water supply system of water heating product - Google Patents

Abstract

A water supply system for a plumbing product strength blast testing machine, including a water tank, a water outlet connected to the input end of the product under test through a pressure pipe, a water inlet connected to the output end of the product under test through a pressure relief pipe, and connected to an external water source through a water supply pipe; The delivery pump is set on the pressure pipeline, and the motor driving the delivery pump is connected with a frequency converter; the pressure relief switch valve is set on the pressure relief pipeline to control the on-off of the pressure relief pipeline; the pressure sensor is set on the pressure pipeline for Detect the water pressure of the pressure pipeline; the programmable controller and the computer, the programmable controller is respectively connected with the frequency converter, the pressure relief switch valve and the pressure sensor, and the programmable controller is connected with the computer. The utility model has the advantages of simple structure, safety and reliability, High detection accuracy and other advantages.

Description

A water supply system for a plumbing product strength blasting detector

technical field

The utility model relates to a water supply system for a water heating product strength blast detection machine.

Background technique

At present, the water supply system of the strength blast testing machine has a simple structure, poor rationality, and low quality requirements. It is limited to provide water sources for testing, and the components are fixedly installed inside the machine. The accuracy is poor, the water supply system is not equipped with corresponding liquid level detection and related safety protection measures, and the maintenance is inconvenient after the system fails, and the versatility is poor.

Contents of the invention

The purpose of the utility model is to aim at the deficiencies of the prior art, and provide a water supply system for a plumbing product strength blasting detector with a simple structure, safety and reliability, and high detection accuracy.

The purpose of this utility model is achieved through the following technical solutions:

A water supply system for a plumbing product strength blasting detector, characterized in that it includes

Water tank, the water outlet is connected to the input end of the product under test through the pressure pipe, the water inlet is connected to the output end of the product under test through the pressure relief pipe, and connected to the external water source through the water supply pipe;

The conveying pump is arranged on the pressure pipeline, and the motor driving the conveying pump is connected with a frequency converter;

The pressure relief switch valve is arranged on the pressure relief pipeline to control the on-off of the pressure relief pipeline;

The pressure sensor is arranged on the pressure pipeline for detecting the water pressure of the pressure pipeline;

A programmable controller and a computer, the programmable controller is respectively connected with the frequency converter, the pressure relief switch valve and the pressure sensor, and the programmable controller is connected with the computer.

Further, the water tank is provided with a heating device and a temperature sensor, and the heating device and the temperature sensor are connected with a programmable controller.

Further, the water tank is a multi-layer thermal insulation tank.

Further, the water tank is provided with a liquid level sensor, and the water supply pipeline is provided with a water supply on-off valve, and the liquid level sensor and the water supply on-off valve are connected to a programmable controller.

Further, the pressure pipeline is provided with a water supply switching valve, and the water supply switching valve is connected with a programmable controller.

Furthermore, the utility model also includes a return pipe connected between the protective box and the water tank for recovering the water leaked from the tested product.

Further, the protective box, the water tank and the delivery pump are arranged in a detection host, the programmable controller and the computer are arranged in a control center, and the detection host and the control center are independent of each other.

Further, the water tank is provided with an overflow port and a sewage outlet, and the overflow port and the sewage port are connected to an external sewage treatment device through an overflow pipe and a sewage pipe, and a sewage on-off valve is provided on the sewage pipe.

The utility model has the following beneficial effects:

The programmable controller can control the frequency converter to adjust the speed of the delivery pump motor according to the signal of the pressure sensor to adjust the output water pressure of the delivery pump, and control the heating device to work according to the signal of the temperature sensor to adjust and maintain the water temperature, the adjustment of water pressure and water temperature The automatic closed-loop control can efficiently and accurately control the water pressure and water temperature of the pressure pipeline, so as to fully meet the pressure and temperature requirements of various standards for the strength blasting detection process.

The water tank adopts a multi-layer thermal insulation box, which can prevent the transfer of temperature and the outside world, effectively ensure the stability of the temperature, reduce energy loss, and save energy; the overflow port and the sewage outlet are set on the water tank, and the overflow port and the sewage outlet pass through the overflow pipe It is connected with the sewage pipe and the external sewage treatment device, which can prevent the water from overflowing and polluting and damaging the equipment in an accidental situation. It is convenient for the timely cleaning of the settled sludge in the water tank and the unified treatment of the sewage. The level sensor can send a signal to the programmable controller when the liquid level is low to control the water replenishment switch valve to open to replenish water to the water tank, and stop the heating device at the low liquid level position to prevent the water tank from being damaged by dry burning. The programmable controller sends a signal to control the closing of the water supply switch valve, thereby realizing the automatic water supply and safety protection of the water tank.

The detection host and the control center are independent of each other, avoiding the electronic control system being affected by the working environment (such as dust, impurities, water vapor, interference, etc.) to cause aging and damage to electronic components, and ensuring the detection accuracy and service life of the detection machine.

The utility model forms a safe, orderly and efficient closed-loop automatic control system from water output, water recovery, water pressure detection and adjustment, safety protection to signal feedback, information processing and program control. It is compact, has high detection accuracy, meets relevant detection standards, is easy to overhaul, and implements multiple safety protections. It is a highly intelligent water supply system for blasting detectors.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a perspective view of the utility model.

Detailed ways

Referring to Fig. 1 and Fig. 2, a water supply system for a plumbing product strength explosion detection machine includes a detection host 1 and a control center 2, and the detection host 1 is provided with a water tank 11, a delivery pump 14, a pressure relief switch valve 131, and a pressure relief switch valve 131. Sensor 122, water supply on-off valve 121, heating device 111, temperature sensor 112, liquid level sensor 113 and replenishment water on-off valve 114, are provided with programmable controller 22 and computer 21 in the control center 2, wherein, computer 21 can adopt intelligent human The machine interface is replaced, the pressure relief switch valve 131 is a high-pressure solenoid valve, the water supply switch valve 121 is a high-pressure electric ball valve, and the water replenishment switch valve 114 is a solenoid valve.

The water tank 11 is a multi-layer thermal insulation box, its water outlet is connected to the input end of the product under test 3 through a pressure pipe 12, its water inlet is connected to the output end of the product under test 3 through a pressure relief pipe 13, and the water tank 11 is connected to an external water source through a water supply pipe connection, the delivery pump 14 is arranged on the pressure pipeline 12, the motor driving the delivery pump 14 is connected with a frequency converter 141, the pressure relief switch valve 131 is arranged on the pressure relief pipeline 13 to control the on-off of the pressure relief pipeline 13, the pressure sensor 122 Set on the pressure pipeline 12 to detect the water pressure of the pressure pipeline 12; the water supply switch valve 121 is set on the pressure pipeline 12 to control the flow and on-off of the pressure pipeline 12, the water supply switch valve 114 is set on the water supply pipeline, and the temperature sensor 112 and liquid level sensor 113 are arranged on the water tank 11 and are used to detect the temperature and liquid level of the water. The heating device 111 is arranged on the water tank 11 and is used to heat the water in the water tank 11. The programmable controller 22 is connected with the frequency converter 141 and the water supply respectively. On-off valve 121, pressure relief on-off valve 131, temperature sensor 112, liquid level sensor 113, heating device 111, replenishment on-off valve 114 are connected with pressure sensor 122, and programmable controller 22 is connected with computer 21, in order to further recycle unqualified products Water leakage, between the protective box and the water tank 11, the return pipe 14 used to recover the water leaked from the product under test 3 .

The water tank 11 is provided with an overflow port and a sewage outlet, and the overflow port and the sewage port are connected with the external sewage treatment device 4 through the overflow and sewage pipeline 15, and the sewage pipeline is provided with a sewage switch valve (not shown in the figure).

The specific working method is: connect the tested product 3 with the pressure pipeline 12 and the pressure relief pipeline 13 to form a water supply circuit, and set it in a closed protective box, and the delivery pump 14 delivers the water in the water tank 11 to the tested product 3; During the transportation process, the water flow in the pressure pipeline 12 is adjusted by the water supply switch valve 121, and the pressure sensor 122 detects the instantaneous pressure in the pressure pipeline 12 in real time, and feeds back to the programmable controller 22 in the control center 2 and displays it on the computer 21 On the display screen, the control center 2 changes the frequency of the frequency converter 141 in the speed control system through the programmable controller 22 according to the standard requirements, thereby changing the speed of the delivery pump 14, so that the water pressure in the tested product 3 is maintained at the standard requirement The required value and the required duration are collected and recorded by the programmable controller 22. The pressure value in the actual detection process, if the water pressure suddenly drops, the programmable controller 22 automatically determines that the tested product 3 is a substandard product and synchronizes Feedback and display to the computer 21; in the actual detection process, the computer 21 automatically controls the rotating speed of the delivery pump 14 through the programmable controller 22 to control the output pressure of the delivery pump 14, so that the water pressure in the pressure pipeline 12 increases gradually. The programmable controller 22 receives the signal fed back from the pressure sensor 122 and displays it to the computer 21. When the pressure of the water in the pressure pipe 12 begins to decrease, the programmable controller 22 automatically records the pressure value at the critical point and displays it on the computer 21 display screen , the computer 21 automatically counts and analyzes the various detected data to form reports or charts, automatically compares with various standard data, and develops programs according to relevant standard requirements to realize various control functions, such as three-dimensional dynamic display in the pipeline. pressure, the water level of the water tank, the flow direction of the detection water, the pressure in the pressure pipeline 12, the frequency of the drive motor, the switch of each switch valve, the start or close of the delivery pump, etc., and automatically archive the detection data and reports or charts. Can enter the data printing screen to print relevant parameters and detection curves; when the detection is completed and the tested product 3 is a qualified product, first open the pressure relief switch valve 131 to release the water pressure in the pressure pipe 12, and then unload the tested product 3 , prevent high-pressure water from spraying out directly, and ensure the safety of the testing operators; the water discharged from the tested product 3 directly flows back into the water tank 11 through the return pipe 14 during the testing process; when the liquid level sensor 113 in the water tank 11 fails, the water level When the maximum water level is exceeded, the water can directly flow from the overflow pipe to the external sewage treatment device 4. When the inside of the water tank 11 needs to be drained, the water in the water tank 11 can flow into the external sewage treatment device 4 by directly opening the sewage switch valve. To prevent the phenomenon that the water source cannot be controlled when the system is out of control.

When the water in the water tank 11 is reduced to a low liquid level during the detection process, the liquid level sensor 113 sends a replenishment signal to the programmable controller 22, and the programmable controller 22 controls the replenishment switch valve 114 to open to replenish water, and when the low liquid level Stop the heating device at the first position to prevent the water tank from being damaged due to water shortage and dry burning. At the same time, when the liquid level reaches a high level, the water supply switch valve 114 is controlled to close, so that the water supply can be automatically completed without manual real-time monitoring on the spot.

The above is only a preferred embodiment of the utility model, so the scope of implementation of the utility model cannot be limited with this, that is, the equivalent changes and modifications made according to the patent scope of the utility model and the content of the specification should still belong to the utility model. Within the scope covered by the utility model patent.

Claims (8)

1. a water heating product intensity blasting detects the machine water system, it is characterized in that: comprise

Water tank, water delivering orifice is connected with the test product input end by pressure pipeline, and water inlet is connected with the test product output terminal by relief pipeline, and is connected with external water source by the moisturizing pipeline;

Discharge pump is arranged on the pressure pipeline, and the motor that drives discharge pump is connected with frequency converter;

The compression relief cock valve is arranged at the break-make that is used for the control relief pipeline on the relief pipeline;

Pressure transducer is arranged on the pressure pipeline hydraulic pressure for detection of pressure pipeline;

Programmable Logic Controller and computing machine, Programmable Logic Controller are connected with pressure transducer with frequency converter, compression relief cock valve respectively, and Programmable Logic Controller is connected with computing machine.

2. a kind of water heating product intensity blasting according to claim 1 detects the machine water system, and it is characterized in that: be provided with heating arrangement and temperature sensor on the described water tank, heating arrangement is connected with Programmable Logic Controller with temperature sensor.

3. a kind of water heating product intensity blasting according to claim 2 detects the machine water system, and it is characterized in that: described water tank is the multilayer insulation insulation can.

According to claim 1 and 2 or 3 described a kind of water heating product intensity blastings detect the machine water systems, it is characterized in that: be provided with liquid level sensor on the described water tank, be provided with the moisturizing switch valve on the described moisturizing pipeline, liquid level sensor is connected with Programmable Logic Controller with the moisturizing switch valve.

According to claim 1 and 2 or 3 described a kind of water heating product intensity blastings detect the machine water systems, it is characterized in that: be provided with the Water supply switch valve valve on the described pressure pipeline, the Water supply switch valve valve is connected with Programmable Logic Controller.

According to claim 1 and 2 or 3 described a kind of water heating product intensity blastings detect the machine water systems, it is characterized in that: comprise that also being connected to being used between protective housing and the water tank reclaims the reflux line of the water that test product spills.

According to claim 1 and 2 or 3 described a kind of water heating product intensity blastings detect the machine water systems, it is characterized in that: described protective housing, water tank and discharge pump are arranged at one and detect in the main frame, described Programmable Logic Controller and computer installation are in a control center, and it is separate to detect main frame and control center.

According to claim 1 and 2 or 3 described a kind of water heating product intensity blastings detect the machine water systems, it is characterized in that: be provided with gap and sewage draining exit on the described water tank, gap is connected overflow pipe and is connected with outside sewage-treatment plant with blow-off line with sewage draining exit, be provided with the scum cock valve on the blow-off line.

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