WO2020010843A1

WO2020010843A1 - Electrical pressure test pump and electrical pressure tester

Info

Publication number: WO2020010843A1
Application number: PCT/CN2019/074557
Authority: WO
Inventors: 陈杰聪; 李德文
Original assignee: 广东屋联智能科技有限公司
Priority date: 2018-07-13
Filing date: 2019-02-02
Publication date: 2020-01-16

Abstract

An electrical pressure test pump, comprising: a main passage (11), a first passage (12) and a switch valve (15), the main passage (11) being used for connecting to a pipe system, and the main passage (11) being connected to the first passage (12) by means of the switch valve (15), the switch valve (15) being used for controlling the connection/disconnection of the main passage (11) and the first passage (12); and further comprising a second passage (13) that is in communication with the first passage (12) and a third passage (14) that is in communication with the main passage (11), the second passage (13) and the third passage (14) being connected by means of a power pump (16). And an electrical pressure tester, comprising an electrical pressure test pump and a liquid storage container (10). The electrical pressure test pump can complete automatic pressurization, improving the pressurization efficiency and speed. By controlling the connection/disconnection of the main passage (11) and the first passage (12) by means of the switch valve (15), the water intake, pressurization and depressurization steps of the pressure test become easy to operate.

Description

Electric pressure test pump and electric pressure tester Ranch

Technical field

The invention relates to the technical field of pressure test equipment, in particular to an electric pressure test pump and an electric pressure tester.

Background technique

Piping system (including tap water supply system, heating system, etc.) is indispensable for modern buildings. After the installation of the pipeline system, pressure test is a key and necessary acceptance link, which is related to the installation quality, safety and service life of the pipeline system. .

The working principle of the pressure test is to connect the pressure test equipment to one of the water outlets of the pipeline system, and to close the other water outlets of the pipeline system. Pressurize the pipeline system through the pressure test equipment to make the pipeline system meet the pressure test. Required pressure. The pressure is maintained in the piping system for a period of time. Based on the value change range of the pressure gauge (that is, the pressure drop value), it can be judged whether the installation quality of the piping system is acceptable.

At present, the pressure test equipment of the pipeline system basically uses a manual pressure test pump. Manual pressure test pump requires manual pressurization, the pressurization efficiency is low, the operation is laborious, and the speed is slow.

Summary of the invention

In order to overcome the shortcomings of the prior art, the present invention provides an electric pressure test pump and an electric pressure tester to realize automatic pressurization and save manpower, Simple operation, high efficiency and high speed.

The technical solution adopted by the present invention to solve its technical problems is: on the one hand, an electric pressure test pump is provided, comprising: a main channel, a first channel, and an on-off valve; the main channel is used for connection with a pipeline system; The channel is connected to the first channel through the on-off valve, the on-off valve is used to control the on-off of the main channel and the first channel, and further includes a second channel in communication with the first channel, and A third channel communicating with the main channel, and the second channel and the third channel are connected by a power pump.

As a further improvement of the foregoing technical solution, a base body is further included, and the main channel, the first channel, the second channel, the third channel, and the switching valve are disposed in the base body.

As a further improvement of the foregoing technical solution, a gland is further included, and the gland is fixedly connected to the base body to fasten the on-off valve in the base body.

As a further improvement of the above technical solution, the on-off valve is any one of a key valve core, a quick opening valve core, a regulating valve, a plug valve, and a ball valve.

As a further improvement of the above technical solution, the on-off valve is provided between the third passage and the main passage, and between the on-off valve and the base body is provided for the third passage and the main passage Connected circular channels.

As a further improvement of the above technical solution, the power pump is a diaphragm pump or a plunger pump.

As a further improvement of the above technical solution, the power pump is a diaphragm pump, which includes a first check valve, a second check valve, a diaphragm, a diaphragm cover, a floating disk, and a motor, and the diaphragm is fixed to the diaphragm cover. The first check valve and the second check valve are arranged on the diaphragm cover, and the two ends of the first check valve are respectively connected to the second check valve. The channel and the first fluid chamber are in communication, so that the liquid in the second channel flows into the first fluid chamber unidirectionally, and the two ends of the second check valve are respectively connected to the first fluid chamber and the first fluid chamber. Three channels communicate, so that the liquid in the first fluid chamber flows into the third channel unidirectionally, the floating disk is fixedly connected to the diaphragm, and the motor is fixedly connected to the floating disk. The operation drives the floating disk to reciprocate, and then drives the diaphragm to reciprocate, expanding or contracting the space in the first fluid chamber to change the pressure in the first fluid chamber.

As a further improvement of the above technical solution, a bearing is fixedly sleeved on the output shaft of the motor, the floating disk is sleeved on the output shaft of the motor, and an end surface of the floating disk is in contact with an end surface of the bearing. And the end surface of the floating disk is arranged obliquely.

As a further improvement of the above technical solution, a second fluid chamber is further provided between the first check valve and the second channel.

As a further improvement of the above technical solution, a third fluid chamber is further provided between the second check valve and the third channel.

In another aspect, an electric pressure tester is provided, which includes the above-mentioned electric pressure test pump and a liquid storage container, the liquid storage container is in communication with the first channel for storing liquid flowing out of the first channel or from the first channel Externally added liquid to the liquid storage container.

As a further improvement of the above technical solution, a box is further included, and the electric pressure test pump and the liquid storage container are both disposed in the box.

As a further improvement of the above technical solution, the box body is provided with a liquid injection hole for adding liquid into the liquid storage container from the outside, and a filter is further provided between the liquid injection hole and the liquid storage container. network.

As a further improvement of the above technical solution, the box body is provided with a water level display hole for displaying whether the liquid in the liquid storage container is full.

As a further improvement of the above technical solution, a box is further included, the electric pressure test pump is provided in the box, and the liquid storage container is provided outside the box.

As a further improvement of the above technical solution, the main channel is provided with an interface, and the box body is provided with a via hole for connecting the interface with a pipe system.

As a further improvement of the above technical solution, a first seal ring is provided between the on-off valve and the box body, and a second seal ring is provided between the interface and the box body.

As a further improvement of the above technical solution, a pressure sensor is provided on the main channel, and is configured to detect a pressure value of the liquid in the main channel.

As a further improvement of the above technical solution, a control panel is further fixed in the cabinet, and a display screen of the control panel is provided on a surface of the cabinet.

As a further improvement of the above technical solution, the electric pressure test pump is fixedly disposed in the box body, and a shock absorbing pad is provided between the electric pressure test pump and the box body.

As a further improvement of the above technical solution, the electric pressure tester further includes a control system and a pressure sensor, the pressure sensor is provided on the main channel for detecting a pressure value in the main channel; the control system includes: An input device for inputting the first data; a power pump control device for controlling the power pump to work; a timing device for timing when the power pump works so that the pressure in the main channel reaches an input value The device performs timing and outputs a timing time signal; the processing device is connected to the input device, the power pump control device, the timing device, and the pressure sensor, respectively, and receives the first data and controls the power pump control device, the pressure sensor, and the timing Device to work.

As a further improvement of the above technical solution, the electric pressure tester further includes a stepping motor for controlling the opening and closing of the on-off valve, the stepping motor is connected to the processing device, and the processing device receives the first Data and control the stepper motor to work.

As a further improvement of the above technical solution, the electric pressure tester further includes a communication device, the communication device is connected to the processing device, and is configured to receive the second data sent by the processing device.

As a further improvement of the above technical solution, the communication device includes any one of a Bluetooth transmission module, an infrared transmission module, a WIFI transmission module, a 5G network transmission module, a 4G network transmission module, a 3G network transmission module, and a 2G network transmission module or Multiple.

As a further improvement of the above technical solution, the processing device is configured to detect the pressure difference value of the pressure sensor at any two time differences and generate a pressure difference signal; the processing device collects the timing time signal output by the timing device and the timing in real time The pressure signal output by the pressure sensor generates second data according to the timing time signal, the pressure signal, and the pressure difference signal.

As a further improvement of the above technical solution, the electric pressure tester further includes a server and a communication device, one end of the server is connected to the processing device through the communication device, and the other end is connected to a mobile terminal, and the second data is passed through the The server delivers to the mobile terminal.

As a further improvement of the above technical solution, the electric pressure tester further includes a communication device, the communication device is connected to the mobile terminal, and the second data is transmitted to the mobile terminal through the communication device.

As a further improvement of the above technical solution, the electric pressure tester further includes a control board. The input device, power pump control device, timing device, processing device, and communication device are all provided on the control board. The control board also A display panel is provided, and the display panel is connected to the processing device and the input device to display the first data input by the input device and the second data generated by the processing device through the display panel.

The beneficial effects of the present invention are:

In one aspect, the electric pressure test pump of the present invention realizes automatic pressurization of the pipeline system through the power pump, saving manpower, The pressurization efficiency and speed are improved; the on-off of the main channel and the first channel is controlled by the switch valve, so that the steps of taking water, pressurizing, and depressurizing the pressure test are simple.

In addition, by providing a base body, the main channel, the first channel, the second channel, the third channel, and the switching valve are provided in the base body, so that the arrangement manner between various components is more compact, and the electric pressure test pump has Smaller size, convenient for pressure testers to carry.

On the other hand, the electric pressure tester of the present invention is provided with an electric pressure test pump, so that the pipeline system can be automatically pressurized by the power pump, saving manpower, The pressurization efficiency and speed are improved; the on-off of the main channel and the first channel is controlled by the switch valve, so that the steps of taking water, pressurizing and depressurizing for pressure test detection are simple to operate.

In addition, the electric pressure tester of the present invention is provided with a box body and a liquid storage container, and the electric pressure test pump and the liquid storage container are arranged in the box body, so that the structure of the electric pressure tester is more compact, the volume is smaller, and it is convenient to carry around.

In addition, by setting a control system, the work of the electric pressure tester is automatically controlled by the control system. The first data is input through the input device, and the processing device receives the first data and controls the work of the power pump control device, timing device, and pressure sensor. The pump control device further controls the work of the power pump to perform pressure test. The intelligent electric pressure tester of the invention realizes automatic pressure test, automatically controls the pressure value of the pressure test, judges the result of pressure test, and stores data, saving manpower, simple operation, High pressure test efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

The invention is further described below with reference to the drawings and embodiments.

1 is a schematic structural diagram of an electric pressure test pump according to a first embodiment of the present invention;

2 is a schematic cross-sectional view of the middle longitudinal section of FIG. 1;

3 is a schematic cross-sectional view of a middle longitudinal section at the base in FIG. 1;

4 is a schematic diagram of a water communication structure inside the electric pressure tester according to the second embodiment of the present invention;

5 is a schematic structural diagram of an electric pressure tester according to a second embodiment of the present invention;

FIG. 6 is a schematic structural diagram of FIG. 5 after removing an upper case of the box;

FIG. 7 is a schematic structural diagram of FIG. 5 after removing a lower casing of the box; FIG.

8 is a schematic diagram of a middle longitudinal section of FIG. 5;

FIG. 9 is a schematic structural view of FIG. 5 from another perspective.

10 is a schematic structural diagram of a control system of the electric pressure tester of the present invention;

detailed description

In the following, the concept, specific structure, and technical effects of the present invention will be clearly and completely described in combination with the embodiments and the drawings to fully understand the objects, schemes, and effects of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

It should be noted that, if there is no special explanation, when a certain feature is called "fixed" and "connected" to another feature, it can be directly fixed and connected to another feature, or it can be indirectly fixed and connected to another feature. One characteristic. In addition, the descriptions of the upper, lower, left, right, front, rear, etc. used in the present invention are only relative to the mutual positional relationship of the components of the present invention in the drawings.

In addition, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one skilled in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein, the term "and / or" includes any combination of one or more of the associated listed items.

First embodiment, please refer to FIG. 1 and FIG. 2. The electric pressure test pump of the present invention includes a main channel 11, a first channel 12, a second channel 13, a third channel 14, an on-off valve 15, and a power pump 16.

One end of the main channel 11 is used to communicate with the indoor piping system. The other end of the main channel 11 is connected to the first channel 12 through an on-off valve 15. The on-off between the main channel 11 and the first channel 12 is controlled by the on-off valve 15. When the indoor pipe system is installed to perform the pressure test step, the main channel 11 of the electric pressure test pump is connected to one of the water outlets of the indoor pipe system, the remaining water outlets of the pipe system are closed, and the indoor pipes are closed. The main valve between the system and the outdoor piping system is opened, and the on-off valve 15 is opened. The on-off valve 15 controls the main channel 11 to communicate with the first channel 12, and the first channel 12 is connected to the water storage container. At high pressure, the water in the outdoor piping system flows into the water storage container through the indoor piping system, the main channel 11, and the first channel 12.

The first channel 12 is connected to the water storage container, the second channel 13 is in communication with the first channel 12, the third channel 14 is in communication with the main channel 11, and the second channel 13 and the third channel 14 are connected through a power pump 16. When the water intake step of the pressure test is completed and the pressurization step is performed, the main valve between the indoor piping system and the outdoor piping system is closed, and the on-off valve 15 is closed. The on-off valve 15 controls the main channel 11 and the first channel 12 Disconnected, the power pump 16 starts to work, generating suction to the second channel 13 and pressure to the third channel 14, at this time the direction of water flow is from the water storage container to the first channel 12 to the second channel 13 to the power pump 16 to The third channel 14 goes to the main channel 11 and finally flows into the indoor piping system through the main channel 11 to form a pressure in the indoor piping system that meets the pressure test requirements to detect whether the indoor piping system leaks water, and then detect the indoor piping system. Whether the installation quality of the piping system is acceptable.

When the pressure relief step of the pressure test is performed, the on-off valve 15 is opened, and the on-off valve 15 controls the main channel 11 to communicate with the first channel 12. Due to the high pressure in the indoor pipe system, the water in the indoor pipe system The main channel 11 and the first channel 12 flow into the water storage container to release the pressure in the indoor piping system.

Of course, in other different embodiments, other liquids may also be used for pressure testing, such as using saline, alcohol, antifreeze, and the like.

In this embodiment, the power pump 16 is preferably a diaphragm pump. Of course, according to actual conditions, other types of pumps such as a plunger pump can also be selected in other different embodiments.

Moreover, in this embodiment, specifically, the power pump 16 includes a first check valve 160, a second check valve 161, a diaphragm 162, a diaphragm cover 163, a floating disk 164, and a motor 165.

The diaphragm cover 163 is fixed on the diaphragm 162 and forms a first fluid chamber 166 therebetween. The first check valve 160 and the second check valve 161 are both provided on the diaphragm cover 163 and the first check valve 160 The two ends communicate with the second channel 13 and the first fluid chamber 166 respectively, and the liquid in the second channel 13 flows into the first fluid chamber 166 unidirectionally. The two ends of the second check valve 161 communicate with the first fluid chamber. The chamber 166 and the third channel 14 communicate with each other, and the liquid in the first fluid chamber 166 flows into the third channel 14 in one direction. The floating disk 164 and the diaphragm 162 are fixedly connected, and the floating disk 164 and the motor 165 are fixedly connected. The operation of the motor 165 drives the floating disk 164 to reciprocate, and then drives the diaphragm 162 to reciprocate, so that the space in the first fluid chamber 166 expands or contracts back and forth, thereby providing power for liquid flowing in or out of the first fluid chamber 166.

The output shaft of the motor 165 is fixedly provided with a bearing 167, and the floating disk 164 is sleeved on the output shaft of the motor 165. The end surface of the floating disk 164 is in contact with the end surface of the bearing 167. In order to make the floating disk 164 driven by the motor 165, In this embodiment, the side where the floating disk 164 contacts the bearing 167 is set as an inclined surface. In this way, during the rotation of the motor 165, the floating disk 164 and the outer ring of the bearing 167 rotate with each other, so that the floating disk 164 The reciprocating swing drives the diaphragm 162 to reciprocate.

Preferably, a second fluid chamber 168 is further provided between the first check valve 160 and the second channel 13.

Preferably, a third fluid chamber 169 is further provided between the second check valve 161 and the third channel 14.

Further, the electric pressure test pump of the present invention further includes a base body 100. The base body 100 serves as a shell and covers the main channel 11, the first channel 12, the second channel 13, and the third channel 14 therein. There is a gland 101, and the gland 101 and the base body 100 are fixedly connected by screws, and the on-off valve 15 Fastened to the base body 100.

Specifically, the gland 101 is provided with an opening for one end of the on-off valve 15 to pass through. The on-off valve 15 is provided with a shoulder 50 that resists the gland 101. The shoulder 50 is in close contact with the gland 101, so that the gland 101 fastens the on-off valve 15.

In this embodiment, the on-off valve 15 is preferably any one of a key valve core, a quick opening valve core, a regulating valve, a plug valve, and a ball valve.

In this embodiment, as shown in FIG. 3, in order to make the structure of the electric pressure test pump more compact, the on-off valve 15 is provided at the connection position between the third channel 14 and the main channel 11, and is provided between the on-off valve 15 and the base body 100. An annular passage 51 through which liquid passes, the annular passage 51 is disposed in the circumferential direction of the on-off valve 15, and the liquid in the third passage 14 flows into the main passage 11 through the annular passage.

It should be noted that the electric pressure test pump of the present invention can perform pressure test detection on valves, pressure vessels, etc. in addition to pressure test detection on pipeline systems.

Second embodiment, please refer to FIG. 4. The electric pressure tester of the present invention includes the electric pressure test pump according to the first embodiment and the liquid storage container 10. The electric pressure test pump is used to communicate with the indoor pipeline system, and is used for The indoor pipeline system is pressurized, and the liquid storage container 10 is in communication with the electric pressure test pump, and is used to provide the electric pressure test pump with the liquid required for pressure test.

When the indoor pipe system is installed to perform the pressure test step, the main channel 11 of the electric pressure test pump is connected to one of the water outlets of the indoor pipe system, the remaining water outlets of the pipe system are closed, and the indoor pipes are closed. The main valve between the system and the outdoor piping system is opened, and the on-off valve 15 is opened. The on-off valve 15 controls the main channel 11 to communicate with the first channel 12, and the first channel 12 is connected to the liquid storage container 10. At a higher pressure, water in the outdoor piping system flows into the liquid storage container 10 through the indoor piping system, the main channel 11, and the first channel 12.

The first channel 12 is connected to the liquid storage container 10, the second channel 13 is in communication with the first channel 12, the third channel 14 is in communication with the main channel 11, and the second channel 13 and the third channel 14 are connected through a power pump 16. When the water intake step of the pressure test is completed and the pressurization step is performed, the main valve between the indoor piping system and the outdoor piping system is closed, and the on-off valve 15 is closed. The on-off valve 15 controls the main channel 11 and the first channel 12 Disconnected, the power pump 16 starts to work, generating suction to the second channel 13 and generating pressure to the third channel 14, at this time the direction of water flow is from the liquid storage container 10 to the first channel 12 to the second channel 13 to the power pump 16 Go to the third channel 14 and then to the main channel 11, and finally flow into the indoor piping system through the main channel 11, so that the pressure in the indoor piping system meets the pressure test requirements to detect whether the indoor piping system is leaking, and then the indoor Whether the installation quality of the piping system is qualified.

When the pressure relief step of the pressure test is performed, the on-off valve 15 is opened, and the on-off valve 15 controls the main channel 11 to communicate with the first channel 12. Due to the high pressure in the indoor pipe system, the water in the indoor pipe system The main channel 11 and the first channel 12 flow into the liquid storage container 10 to release the pressure in the indoor piping system.

Of course, in other different embodiments, other liquids may also be used for pressure testing, and the liquids also include saline, alcohol, antifreeze, and the like.

Hereinafter, the intelligent electric pressure tester of the present invention will be described in further detail with reference to FIGS. 5 to 9.

The electric pressure test pump of the present invention further includes a case body 110. In this embodiment, preferably, the electric pressure test pump is provided in the case body 110; in another embodiment, the liquid storage container 10 is provided in the case body Outside 110, the liquid storage container 10 communicates with the first channel 12 through a pipe. For this purpose, an opening (not shown) is provided on the case 110 for the liquid storage container 10 to communicate with the first channel 12; In one embodiment, the liquid storage container 10 is disposed inside the box body 110. In this embodiment, the liquid storage container 10 and the first channel 12 are preferably in direct communication.

When the liquid storage container 10 is set in the box body 110, the electric pressure tester has better convenience. Therefore, in the present invention, the liquid storage container 10 is set in the box body 110.

Further, the liquid storage container 10 is integrated in the box body 110, and the space in the box body 110 can be used to the maximum, so that the structure of the electric pressure tester is more compact, the volume is smaller, and it is convenient to carry around.

Further, the case 110 is further provided with a liquid injection hole 1111 for injecting liquid into the liquid storage container 10 from the outside, so as to avoid the pressure test cannot be completed due to insufficient liquid amount in the liquid storage container 10, preferably, the injection A filter 1112 is also provided between the liquid hole 1111 and the liquid storage container 10, and the impurities in the liquid injected from the liquid injection hole 1111 are removed through the filter 1112 to ensure the purity of the liquid in the liquid storage container 10, thereby protecting the electric motor. The pressure test pump is not damaged by impurities, which improves the service life of the electric pressure test pump.

Further, a water level display hole 1100 is further provided in the box body 110. The water level display hole 1100 is preferably provided at an upper position on the side of the box body 110. When the liquid height of the liquid storage container 10 exceeds the position of the water level display hole 1100, At this time, the liquid will flow out from the water level display hole 1100, which can intuitively understand whether the liquid in the liquid storage container 10 is full. When the liquid is injected into the liquid storage container 10 from the outside, the air in the liquid storage container 10 can be displayed from the water level. The hole 1100 is discharged.

In this embodiment, an end 200 of the main channel 11 connected to the indoor pipe system is further provided with an interface 200 for connecting with the pipe system, and the box 110 is further provided with a via hole for connecting the interface 200 with the pipe system.

In this embodiment, the main channel 11 is further provided with a pressure sensor 17. The pressure sensor 17 is used to detect the magnitude of the pressure value in the main channel 11. In addition, a display 110 electrically connected to the pressure sensor 17 is fixed on the case 110. The panel 3 and the display panel 3 display the magnitude of the pressure value detected by the pressure sensor 17 in real time, which is convenient for the pressure tester to visually observe the change of the pressure.

Preferably, a control board 2 is further provided in the box body 110, the display panel 3 is fixedly disposed on the control board 2, and a slot (not shown in the figure) is provided on the upper surface of the box body 110, and the display panel 3 is embedded in the In the slot, a light-transmitting film for protecting the display panel 3 is provided on the upper surface of the cabinet 110.

In this embodiment, a base body 100 is further provided in the box body 110. The main channel 11, the first channel 12, the second channel 13, and the third channel 14 are all disposed in the base body 100. The base body 100 is provided with a gland 101 for pressing. The cover 101 is fixedly connected to the base body 100 and the box body 110 by screws to fasten the base body 100 and the box body 110 together.

In the present embodiment, the power pump 16 is provided with an arc-shaped arc-shaped strip 111, and both ends of the arc-shaped strip 111 are fixedly connected with the casing 110 by screws to fasten the power pump 16 to the casing 110. Inside.

A damping pad (not shown in the figure) is also provided between the power pump 16 and the box 110 and the arc-shaped bar 111 to prevent the box 110 from generating excessive vibration and noise due to the work of the power pump 16.

Preferably, as shown in FIG. 9, the bottom surface of the case 110 is further provided with a foot pad 1113 for supporting the entire electric pressure tester, and the foot pad 1113 uses a cushioning and shock-absorbing material to ensure the smooth contact between the case 110 and the support surface.

In order to enable automatic pressure test detection of the indoor pipe system, the electric pressure tester of the present invention further includes a control system. Referring to FIG. 10, a schematic diagram of the control system of the present invention is shown. The control system includes an input device, a power pump control device, a timing device, and a processing device.

An input device is used for inputting first data, where the first data includes pressure test pressure data and time data of the pipeline system, and allowable pressure difference data; the pressure value data, that is, the pressure value in the pipeline, may be 5000PA, 10000PA, etc .; time value data refers to the pressure test time of the electric pressure tester to the pipeline system; pressure difference data refers to the allowable pressure difference between the time difference between the start of the pressure test and the end of the pressure test; the input device can be a touch screen, a keyboard , Mouse, and speech recognition equipment.

The power pump control device is used to control the power pump to work. It can be a strong electrical component such as an electric key capable of responding to the processor device's work, or a weak electrical component composed of an integrated circuit, a processor, and a single-chip microcomputer. Its main purpose is The response processing device controls the power pump to work.

The timing device, when the power pump works to make the pipeline pressure reach the input pressure value, the timing device performs timing and outputs a timing time signal. The timing time signal may include the length of the timing time, the timing point of the timing and the timing point of the timing.

The processing device is respectively connected with the input device, the power pump control device, the timing device and the pressure sensor. The processing device can receive the first data input by the input device and control the power pump control device and the timing device to work; the processing device can also collect in real time The timing time signal output by the timing device and the pressure signal output by the pressure sensor are connected to a display device for display, where the display device may be a display.

When the electric pressure tester of the present invention is in operation, the electric pressure tester is first communicated with the indoor pipe system through the main channel 11 so that the indoor pipe system is filled with liquid into the liquid storage container 10, and when the liquid storage container 10 After the liquid in the liquid is enough, the first data is input through the input device. The processing device receives the first data input from the input device and controls the power pump control device to work. The power pump control device controls the power pump 16 to work and starts to the indoor piping system. Pressurize. When the indoor pipeline system reaches the pressure required for pressure test, the processing device controls the timing device to start timing. At the same time, the pressure sensor detects the pressure value in the main channel 11 in real time, and the processing device collects the timing output by the timing device in real time. The time signal and the pressure signal output by the pressure sensor are displayed by the display device, so as to know the pressure leakage situation of the indoor pipe system.

The processing device is respectively connected to the power pump control device, the timing device, the input device, and the pressure sensor, and receives the first data to control the power pump control device, the pressure sensor, and the timing device to perform work. In this process, for example, the first data received by the processor includes a test pressure of 5000 PA, a test time of 5 minutes, and an allowable pressure difference of 100 PA. The processing device first controls the power pump to make the pipeline pressure reach 5000PA, and then controls the power pump to stop working. At the same time, the timing device will perform timing. When it reaches 5 minutes, the timing device outputs a timing signal to the processing device, and the pressure sensor outputs a pressure difference data signal. To the processing device. The processing device is any one of a microcontroller, a processor, an FPGA, and a controller.

During the above pressure test process, the processing device collects the timing time signal output by the timing device and the pressure signal output by the pressure sensor in real time, wherein the timing time signal is the timing time of the timing device and the pressure signal is the pressure value in the pipeline system. The device is used for detecting the pressure difference value of the pressure sensor at any two time differences and generating a pressure difference signal, and generating second data according to the timing time signal, the pressure signal and the pressure difference signal, and the second data includes a pressure test result.

Preferably, the control system further includes a communication device, and the communication device is connected to the processing device, and is configured to receive the second data sent by the processing device. The communication device may select any one or more of a Bluetooth transmission module, an infrared transmission module, a WIFI transmission module, a 5G network transmission module, a 4G network transmission module, a 3G network transmission module, and a 2G network transmission module.

Further, the control system further includes a server. One end is connected to the processing device through a communication device and the other end is connected to a mobile terminal. The second data is transmitted to the mobile terminal through the server, and the second data is received through the mobile terminal. The user of the mobile terminal knows the pressure test pressure and pressure test time during the working process of the electric pressure tester and the pressure difference between the two pipeline systems at any time through the server, so that the user can objectively and comprehensively know the pressure test personnel in the Use this electric pressure tester to perform all parameters during the pressure test.

The intelligent electric pressure tester of the present invention further includes a stepping motor for controlling the connection or disconnection of the on-off valve 15, the stepping motor is connected to the processing device, and the processing device controls the stepping motor to work after receiving the first data. The motor-controlled on-off valve 15 communicates or disconnects the main channel 11 with the first channel 12.

In this embodiment, preferably, the input device, timing device, and processing device are all integrated on the control board 2; and the input device is preferably the first control button 20. In addition, the display panel 3 is the above-mentioned display device, and the display panel 3 is connected to a processing device on the control board 2 for displaying the first data and the second data.

It should be noted that in addition to the pressure test of the pipeline system, the intelligent electric pressure tester of the present invention can also perform the pressure test of valves, pressure vessels, and the like.

The above is a detailed description of the preferred implementation of the present invention, but the invention is not limited to the described embodiments, and those skilled in the art can make various equivalent deformations or substitutions without departing from the spirit of the present invention. These equivalent modifications or replacements are all included in the scope defined by the claims of this application.

Claims

An electric pressure test pump, comprising: a main channel, a first channel and an on-off valve, wherein the main channel is used for connection with a pipeline system, and the main channel and the first channel are connected through the on-off valve The on-off valve is used to control the opening and closing of the main channel and the first channel, and further includes a second channel communicating with the first channel and a third channel communicating with the main channel. The two channels are connected to the third channel through a power pump.
The electric pressure test pump according to claim 1, further comprising a base body, wherein the main channel, the first channel, the second channel, the third channel, and a switching valve are disposed in the base body; the switching valve The annular passage is provided between the third passage and the main passage, and an annular passage is provided between the on-off valve and the base body for the third passage to communicate with the main passage. Ranch
The electric pressure test pump according to claim 1, wherein the power pump is a diaphragm pump, comprising: a first check valve, a second check valve, a diaphragm, a diaphragm cover, a floating disk, and a motor; The diaphragm is fixedly connected to the diaphragm cover, and a first fluid chamber is formed between the diaphragm. The first check valve and the second check valve are provided on the diaphragm cover. The first check valve The two ends communicate with the second channel and the first fluid chamber, respectively, so that the liquid in the second channel flows into the first fluid chamber in one direction, and the two ends of the second check valve are respectively connected with the first fluid chamber. The first fluid chamber and the third channel communicate with each other, so that the liquid in the first fluid chamber flows into the third channel unidirectionally, the floating disk is fixedly connected to the diaphragm, and the motor is connected to the floating disk. The fixed connection drives the floating disk to reciprocate through the rotation of the motor, thereby driving the diaphragm to reciprocate, expanding or contracting the space in the first fluid chamber to change the pressure in the first fluid chamber. Ranch
The electric pressure test pump according to claim 3, wherein a bearing is fixedly sleeved on the output shaft of the motor, the floating disk is sleeved on the output shaft of the motor, and an end face of the floating disk It is in contact with the end surface of the bearing, and the end surface of the floating disk is inclined. Ranch
An electric pressure tester, comprising the electric pressure test pump according to any one of claims 1 to 4 and a liquid storage container, wherein the liquid storage container is in communication with the first channel for storing The liquid flowing out of the first channel or the liquid added to the liquid storage container from the outside. Ranch
The electric pressure tester according to claim 5, further comprising a box, wherein the electric pressure test pump and the liquid storage container are both disposed in the box. Ranch
The electric pressure tester according to claim 6, wherein the case is provided with a liquid injection hole for adding liquid into the liquid storage container from the outside, and the liquid injection hole and the storage A filter screen is also provided between the liquid containers. Ranch
The electric pressure tester according to any one of claims 5 to 7, further comprising a control system and a pressure sensor, wherein the pressure sensor is provided on the main channel for detecting the inside of the main channel Pressure value

The control system includes:

An input device for inputting first data;

A power pump control device for controlling the power pump to work;

A timing device, when the power pump works so that the pressure in the main channel reaches an input value, the timing device performs timing and outputs a timing time signal;

The processing device is respectively connected to the input device, the power pump control device, the timing device, and the pressure sensor, and receives the first data and controls the power pump control device, the pressure sensor, and the timing device to work.
The electric pressure tester according to claim 8, further comprising a stepping motor for controlling the opening and closing of the on-off valve, the stepping motor is connected to the processing device, and the processing device receives The first data controls the operation of the stepper motor. Ranch
The electric pressure tester according to claim 8, further comprising a communication device, the communication device being connected to the processing device and configured to receive the second data sent by the processing device. Ranch
The electric pressure tester according to claim 10, wherein the communication device comprises a Bluetooth transmission module, an infrared transmission module, a WIFI transmission module, a 5G network transmission module, a 4G network transmission module, a 3G network transmission module, and a 2G network Any one or more of the transmission modules. Ranch
The electric pressure tester according to claim 10, wherein:

The processing device is configured to detect the pressure difference value of the pressure sensor at any two time differences and generate a pressure difference signal;

The processing device collects the timing time signal output by the timing device and the pressure signal output by the pressure sensor in real time, and generates second data according to the timing time signal, the pressure signal, and the pressure difference signal.
The electric pressure tester according to claim 10, further comprising a server and a communication device, wherein one end of the server is connected to the processing device through the communication device, and the other end is connected to a mobile terminal, and the second Data is transferred to the mobile terminal through the server. Ranch
The electric pressure tester according to claim 8, further comprising a communication device, the communication device is connected to a mobile terminal, and the second data is transmitted to the mobile terminal through the communication device. Ranch
The electric pressure tester according to claim 10, further comprising a control board, wherein the input device, power pump control device, timing device, processing device, and communication device are all provided on the control board, and the A display panel is also provided on the control board, and the display panel is connected to the processing device and the input device to display the first data input by the input device and the generated data by the processing device through the display panel.第二数据。 The second data. Ranch