CN213392610U - Reliability testing device for multi-path plunger pump - Google Patents
Reliability testing device for multi-path plunger pump Download PDFInfo
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- CN213392610U CN213392610U CN202022102496.7U CN202022102496U CN213392610U CN 213392610 U CN213392610 U CN 213392610U CN 202022102496 U CN202022102496 U CN 202022102496U CN 213392610 U CN213392610 U CN 213392610U
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Abstract
The utility model discloses a reliability testing device for a multi-path plunger pump, which comprises an accommodating part and a pressure sensor, wherein the accommodating part is provided with an accommodating cavity; the water supply part is arranged in the accommodating cavity and is provided with a water supply end and a water return end; the testing units are arranged in the accommodating cavity and have the same structure and respectively comprise a main pipeline and a branch pipeline, wherein the main pipeline is sequentially provided with a filter, a PV pump, a pressure sensor, an electromagnetic valve and a plunger pump along a downstream direction, the branch pipeline is communicated with a pressure regulating valve, the inlet end of the main pipeline is communicated with the water supply end of the water supply part, the outlet end of the main pipeline is communicated with the water return end of the water supply part, the inlet end of the branch pipeline is communicated with the main pipeline between the PV pump and the pressure sensor, and the outlet end of the branch pipeline is communicated with the outlet end of the main pipeline. The utility model discloses simple structure, the volume is less, convenient operation, safe and reliable, can conveniently carry out batch test to the reliability of a plurality of plunger pumps, has effectively shortened test cycle.
Description
Technical Field
The utility model belongs to the technical field of the plunger pump capability test device technique and specifically relates to a multichannel plunger pump reliability testing arrangement is related to.
Background
The plunger pump is a key component in the medical appliance product, and the quality of the plunger pump directly influences the reliability of the whole instrument. Therefore, in product development, reliability experiments are usually performed on a plurality of alternative plunger pumps to visually obtain performance data and conveniently evaluate each plunger pump, so that a product is matched with a plunger pump with a proper model, and the reliability of the whole instrument is improved. At present, a fatigue testing method is often adopted for plunger pump reliability testing, and the defects of large platform size, complex circuit, complex test, low automation degree and the like exist due to the fact that the whole machine is required to be connected, and the existing testing device has no pressure detection point, cannot measure a key voltage value and cannot timely detect the water leakage fault of the plunger pump, so that more difficulties are brought to plunger pump detection work, and the difficulty of product development is increased.
Disclosure of Invention
In order to solve the problem, the utility model provides a multichannel plunger pump reliability testing device specifically can take following technical scheme:
multichannel plunger pump reliability test device, include
An accommodating part with an accommodating cavity;
the water supply part is arranged in the accommodating cavity and is provided with a water supply end and a water return end;
the testing units are arranged in the accommodating cavity and have the same structure and respectively comprise a main pipeline and a branch pipeline, wherein the main pipeline is sequentially provided with a filter, a PV pump, a pressure sensor, an electromagnetic valve and a plunger pump along a downstream direction, the branch pipeline is communicated with a pressure regulating valve, the inlet end of the main pipeline is communicated with the water supply end of the water supply part, the outlet end of the main pipeline is communicated with the water return end of the water supply part, the inlet end of the branch pipeline is communicated with the main pipeline between the PV pump and the pressure sensor, and the outlet end of the branch pipeline is communicated with the outlet end of the main pipeline.
The containing cavity is also internally provided with a power supply module, a signal processing module, a PLC module, a pressure value measuring module electrically connected with the pressure sensor, and a multi-path voltage measuring module electrically connected with the plunger pump.
The accommodating part is a box body with an upper cover, and a spring rod is arranged between the box body and the upper cover.
The containing cavity of the box body is divided into a first cavity, a second cavity and a third cavity through a partition plate, the first cavity is located above the second cavity, the third cavity is located on one side of the first cavity and one side of the second cavity, and a horizontal mounting plate is arranged above the first cavity and the third cavity.
And a power supply module, a signal processing module, a PLC module, a pressure value measuring module and a multi-path voltage measuring module are arranged in the first chamber.
And a filter, a PV pump, a pressure sensor, an electromagnetic valve and a pressure regulating valve are arranged in the second chamber.
And a purification water bucket serving as the water supply part is arranged in the third chamber.
And a plurality of plunger pumps are arranged on the horizontal mounting plate side by side.
The horizontal mounting plate is provided with a vertical mounting plate, and the vertical mounting plate is provided with a buckle for fixing the plunger pump.
And the vertical mounting plate is provided with water leakage detection test paper.
The utility model provides a multichannel plunger pump reliability testing arrangement, simple structure, the volume is less, convenient operation, safe and reliable, can directly read the operating pressure value, looks over key voltage data directly perceived, in time detects the trouble of leaking, conveniently carries out batch test to the reliability of a plurality of plunger pumps, has effectively shortened test cycle, has better cooperated new product research and development work.
Drawings
Fig. 1 is a schematic structural view of the present invention (connection pipes between the respective members are omitted).
Fig. 2 is a schematic diagram of the piping connections of fig. 1 for testing a single plunger pump.
Fig. 3 is a control block diagram of the circuit of fig. 1.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
As shown in FIG. 1, the reliability testing device for multi-channel plunger pump of the present invention comprises a containing part, a water supply part, a testing unit and an electric control unit. Specifically, the accommodating part is a box body 1.2 with an upper cover 1.1, and a spring rod 1.3 for supporting is arranged between the box body 1.2 and the upper cover 1.1. The chamber that holds of box body 1.2 divide into first cavity, second cavity and third cavity through baffle 1.4, and above-mentioned first cavity is located the second cavity top, and the third cavity is located the right side of first cavity and second cavity, and horizontal mounting board 1.5 that links to each other with box body 1.2 lateral wall is installed to first cavity and third cavity top, is connected with banding vertical mounting panel 1.6 on the horizontal mounting board 1.5, installs six silica gel buckles 1.7 on the vertical mounting panel 1.6 side by side. A power module 2.1, a signal processing module 2.2, a PLC module 2.3, a pressure value measuring module 2.4 and a multi-path voltage measuring module 2.5 are installed in the first chamber. Six groups of filters 3.1, PV pumps 3.2, pressure sensors 3.3, electromagnetic valves 3.4 and pressure regulating valves 3.5 are arranged in the second chamber. A purification water tank 4 as a water supply part is installed in the third chamber. Six plunger pumps 3.6 connected with the silica gel buckles 1.7 are arranged on the horizontal mounting plate 1.5 side by side. In order to facilitate the check of the plunger pump 3.6 whether water leakage occurs, the vertical mounting plate 1.6 is also adhered with water leakage detection test paper 1.8.
As shown in fig. 2, the filter 3.1, the PV pump 3.2, the pressure sensor 3.3, the solenoid valve 3.4, the pressure regulating valve 3.5 and the plunger pump 3.6 are connected by pipelines to form six test units. Each test unit adopts the same structure and comprises a main pipeline and a branch pipeline, wherein the main pipeline is sequentially connected with a filter 3.1, a PV pump 3.2, a pressure sensor 3.3, an electromagnetic valve 3.4 and a plunger pump 3.6 along the downstream direction, the branch pipeline is communicated with a pressure regulating valve 3.5, the inlet end of the main pipeline close to one side of the filter 3.1 is communicated with the water supply end of a purified water barrel 4, the outlet end of the main pipeline close to one side of the plunger pump 3.6 is communicated with the water return end of the purified water barrel 4, the inlet end of the branch pipeline is communicated with the main pipeline between the PV pump 3.2 and the pressure sensor 3.3, and the outlet end of the branch pipeline is communicated with the outlet end of the main pipeline. The number of the test units is determined according to design requirements.
During operation, firstly, the PV pump 3.2 in each test unit extracts purified water from the purified water bucket 4 to wash the main pipeline and the branch pipelines for about 3s, in the process, the actual pressure value in the main pipeline is detected through the pressure sensor 3.3, and meanwhile, the pressure of the main pipeline is adjusted through the pressure adjusting valve 3.5 until the test requirement is met. Then, the PV pump 3.2 is shut down, the electromagnetic valve 3.4 is closed, the plunger pump 3.6 is started, the plunger pump 3.6 is enabled to pump the remaining liquid in the main pipeline, and the operation of one test period is completed after liquid pumping and liquid injection are carried out once respectively. In the process, the multi-path voltage measuring module 2.5 reads and displays the working voltage value of the plunger pump 3.6 in real time. And then, repeating the steps, and circularly carrying out the operations of pipeline flushing and liquid pumping and injecting test of the plunger pump for multiple times until the reliability test work of the multi-path plunger pump is completed.
The electric control unit comprises a power module 2.1, a signal processing module 2.2, a PLC module 2.3, a pressure value measuring module 2.4, a multi-path voltage measuring module 2.5 and the like, wherein the pressure value measuring module 2.4 is electrically connected with a pressure sensor 3.3, and the multi-path voltage measuring module 2.5 is electrically connected with a plurality of plunger pumps 3.6. Specifically, as shown in fig. 3, firstly, the upper computer sends an instruction to the signal processing module 2.2 to instruct the PV pump 3.2 and the electromagnetic valve 3.4 to operate, so that pressure is generated in the liquid pipeline, at this time, the pressure value measuring module 2.4 converts the actual pipeline pressure data measured by the pressure sensor 3.3 into an electrical signal, and the electrical signal is transmitted to the signal processing module 2.2 and then communicated with the upper computer for storage. Then, the multi-path voltage measuring module 2.5 is used for testing the working voltage of the plunger pump 3.6 and feeding the working voltage back to the PLC module 2.3 for processing. And finally, the PLC module 2.3 and the signal processing module 2.2 perform data conversion and output and display results.
It should be noted that in the description of the present invention, terms of orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationship 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.
Claims (10)
1. The utility model provides a multichannel plunger pump reliability testing arrangement which characterized in that: comprises that
An accommodating part with an accommodating cavity;
the water supply part is arranged in the accommodating cavity and is provided with a water supply end and a water return end;
the testing units are arranged in the accommodating cavity and have the same structure and respectively comprise a main pipeline and a branch pipeline, wherein the main pipeline is sequentially provided with a filter, a PV pump, a pressure sensor, an electromagnetic valve and a plunger pump along a downstream direction, the branch pipeline is communicated with a pressure regulating valve, the inlet end of the main pipeline is communicated with the water supply end of the water supply part, the outlet end of the main pipeline is communicated with the water return end of the water supply part, the inlet end of the branch pipeline is communicated with the main pipeline between the PV pump and the pressure sensor, and the outlet end of the branch pipeline is communicated with the outlet end of the main pipeline.
2. The multi-way plunger pump reliability testing device of claim 1, wherein: the containing cavity is also internally provided with a power supply module, a signal processing module, a PLC module, a pressure value measuring module electrically connected with the pressure sensor, and a multi-path voltage measuring module electrically connected with the plunger pump.
3. The multi-way plunger pump reliability testing device of claim 2, wherein: the accommodating part is a box body with an upper cover, and a spring rod is arranged between the box body and the upper cover.
4. The multi-way plunger pump reliability testing device of claim 3, wherein: the containing cavity of the box body is divided into a first cavity, a second cavity and a third cavity through a partition plate, the first cavity is located above the second cavity, the third cavity is located on one side of the first cavity and one side of the second cavity, and a horizontal mounting plate is arranged above the first cavity and the third cavity.
5. The multi-way plunger pump reliability testing device of claim 4, wherein: and a power supply module, a signal processing module, a PLC module, a pressure value measuring module and a multi-path voltage measuring module are arranged in the first chamber.
6. The multi-way plunger pump reliability testing device of claim 4, wherein: and a filter, a PV pump, a pressure sensor, an electromagnetic valve and a pressure regulating valve are arranged in the second chamber.
7. The multi-way plunger pump reliability testing device of claim 4, wherein: and a purification water bucket serving as the water supply part is arranged in the third chamber.
8. The multi-way plunger pump reliability testing device of claim 4, wherein: and a plurality of plunger pumps are arranged on the horizontal mounting plate side by side.
9. The multi-way plunger pump reliability testing device of claim 8, wherein: the horizontal mounting plate is provided with a vertical mounting plate, and the vertical mounting plate is provided with a buckle for fixing the plunger pump.
10. The multi-way plunger pump reliability testing device of claim 9, wherein: and the vertical mounting plate is provided with water leakage detection test paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022102496.7U CN213392610U (en) | 2020-09-23 | 2020-09-23 | Reliability testing device for multi-path plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022102496.7U CN213392610U (en) | 2020-09-23 | 2020-09-23 | Reliability testing device for multi-path plunger pump |
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| Publication Number | Publication Date |
|---|---|
| CN213392610U true CN213392610U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022102496.7U Active CN213392610U (en) | 2020-09-23 | 2020-09-23 | Reliability testing device for multi-path plunger pump |
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| Country | Link |
|---|---|
| CN (1) | CN213392610U (en) |
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- 2020-09-23 CN CN202022102496.7U patent/CN213392610U/en active Active
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