CN216746660U - Excrement collecting system valve detection test bed - Google Patents
Excrement collecting system valve detection test bed Download PDFInfo
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- CN216746660U CN216746660U CN202123087393.9U CN202123087393U CN216746660U CN 216746660 U CN216746660 U CN 216746660U CN 202123087393 U CN202123087393 U CN 202123087393U CN 216746660 U CN216746660 U CN 216746660U
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Abstract
The utility model discloses a valve detection test bed of an excrement collecting system, which comprises a total air source pressure regulating filter, wherein the inlet end of the total air source pressure regulating filter is connected with an air source, the outlet end of the total air source pressure regulating filter is connected with the inlet end of a pressure regulating valve, and the outlet end of the pressure regulating valve is connected with the inlet end of a pressure maintaining solenoid valve; the outlet end of the pressure maintaining electromagnetic valve is connected with the pressure tank; the pressure tank is connected with an air tightness detection intelligent pressure controller and an intermediate pressure maintaining device; the middle pressure maintaining device is connected with an inlet end of an inlet electromagnetic valve, and an outlet end of the inlet electromagnetic valve is connected with an inlet end of a valve to be tested; the inlet end of the outlet electromagnetic valve is connected with the outlet end of the valve to be tested, and the outlet end of the outlet electromagnetic valve is connected with an intermediate pressure maintaining device; the middle pressure maintaining device is connected with an intelligent pressure controller for detecting the switching action and a main outlet electromagnetic valve; the system also comprises a PLC controller and a touch screen which are communicated with each other. The detection of various valves can be realized, and the detection efficiency is high; the actual use working condition can be simulated, and the set detection parameters, control logic and execution mode meet the functional requirements of the original vehicle.
Description
Technical Field
The utility model relates to a EMUs collection just system is newly made and is overhauld technical field, especially relates to an album just system valve class test bench.
Background
Various electromagnetic valves and ball valves are used as important components of the motor train unit excrement collecting system, and in the process of newly manufacturing or overhauling the motor train unit excrement collecting system, the functions of the various electromagnetic valves and ball valves need to be detected, such as the air tightness of the various electromagnetic valves and ball valves, whether the opening and closing actions of the electromagnetic valves are normal under the condition of power on and power off, and the like. At present, in order to detect under the condition of actual use working conditions, various electromagnetic valves and ball valves of the motor train unit excrement collecting system basically need to be actually installed on the system for function testing, so that the operation is complex and the efficiency is low.
Disclosure of Invention
The utility model aims at providing an excrement and urine collection system valve class test bench need not to be connected to excrement and urine collection system, can solve the problem that all kinds of solenoid valves of excrement and urine collection system and ball valve function detected, and whether the gas tightness and the switch action of detectable excrement and urine collection system valve class are normal.
In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:
a kind of collection excrement system valve class test bed, including:
the air source unit comprises a total air source pressure regulating filter 1, and the inlet end of the total air source pressure regulating filter is connected with an air source;
at least one group of first test groups comprises a first pressure regulating valve 2, the inlet end of the first pressure regulating valve is connected with the outlet end of the total gas source pressure regulating filter 1, and the outlet end of the first pressure regulating valve is connected with the inlet end of a first pressure-retaining electromagnetic valve 3; the outlet end of the first pressure-maintaining electromagnetic valve 3 is connected with a first pressure tank 4; the first pressure tank 4 is connected with a first air tightness detection intelligent pressure controller 5 and a first intermediate pressure maintaining device 6; the first middle pressurizer 6 is connected with the inlet ends of a plurality of inlet electromagnetic valves 7, and the outlet ends of the inlet electromagnetic valves 7 are used for connecting the inlet ends of the valves to be tested; the system also comprises a plurality of outlet electromagnetic valves 8, the inlet ends of the outlet electromagnetic valves are connected with the outlet ends of the valves to be tested, and the outlet ends of the outlet electromagnetic valves are connected with a second middle pressure maintaining device 9; the second intermediate pressure maintaining device 9 is connected with an intelligent pressure controller 10 for detecting switching action and a first main outlet electromagnetic valve 11;
the control system comprises a PLC (programmable logic controller) 17 and a touch screen 18 which are communicated with each other, wherein the PLC 17 is connected with each electromagnetic valve of the first test group, the first air tightness detection intelligent pressure controller 5, the switch action detection intelligent pressure controller 10 and the valve to be tested.
Further, the valve detection test bed of the excrement collecting system further comprises at least one second test group, wherein the second test group comprises a second pressure regulating valve 12, the inlet end of the second pressure regulating valve is connected with the outlet end of the main air source pressure regulating filter 1, and the outlet end of the second pressure maintaining electromagnetic valve 13 is connected with the inlet end of the main air source pressure regulating filter; the outlet end of the second pressure maintaining electromagnetic valve 13 is connected with a second pressure tank 14; the second pressure tank 14 is connected with a second air tightness detection intelligent pressure controller 15; the system also comprises a second main outlet electromagnetic valve 16, wherein during detection, the inlet end of a valve to be detected is connected to the second pressure tank 14, and the outlet end of the valve to be detected is connected to the second main outlet electromagnetic valve 16; each electromagnetic valve of the second test group and the second air tightness detection intelligent pressure controller 15 are connected with the PLC 17.
Further, the first test groups are two groups, the outlet end of the first pressure regulating valve 2 in one group is further connected with the inlet end of an air source electromagnetic valve 19, the outlet end of the air source electromagnetic valve 19 is used for connecting the control end of the pneumatic two-way valve to be tested, the inlet end of the pneumatic two-way valve to be tested is connected with the outlet end of the inlet electromagnetic valve 7, and the outlet end of the pneumatic two-way valve to be tested is connected with the inlet end of the outlet electromagnetic valve 8.
Further, the valve detection test bed for the excrement collecting system further comprises a cabinet body 20, wherein a mounting plate 24 is arranged on the table surface of the cabinet body, a clamp 21 is arranged on the mounting plate and used for mounting and fixing a valve to be detected, and a positioning pin 22 is arranged on the opposite side of a pressing block of the clamp 21.
Further, a sealing ring 23 is arranged at the position where the pressing block of the clamping device 21 is contacted with the sealing surface of the valve to be measured.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a collection just system valve class test bench, can realize carrying out the function detection to solenoid valve and ball valve stick, change convenient, swift; various valves can be detected simultaneously, and the detection efficiency is high; the working conditions such as voltage fluctuation, air pressure and the like during the actual use of valves can be simulated, and the set detection parameters, control logic and execution mode meet the functional requirements of the original vehicle; whether the valve airtightness is intact and the opening and closing actions are normal can be detected, the opening and closing action times, the airtightness detection time, the detection process and the detection result are displayed on the touch screen, and the detection method is more visual.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic view of a valve detection test bed of the excrement collecting system;
FIG. 2 is a front view of a valve detection test bed of the excrement collecting system;
FIG. 3 is a rear view of a valve detection test bed of the excrement collecting system;
FIG. 4 is a schematic structural view of a valve detection test bed of the excrement collecting system;
FIG. 5 is a top view of a mounting plate of a valve detection test bed of the excrement collecting system;
in the above figures: 1. the intelligent pressure control system comprises a main air source pressure regulating filter, 2, a first pressure regulating valve, 3, a first pressure-maintaining solenoid valve, 4, a first pressure tank, 5, a first air tightness detection intelligent pressure controller, 6, a first middle pressure maintaining device, 7, an inlet solenoid valve, 8, an outlet solenoid valve, 9, a second middle pressure maintaining device, 10, a switch action detection intelligent pressure controller, 11, a first main outlet solenoid valve, 12, a second pressure regulating valve, 13, a second pressure maintaining solenoid valve, 14, a second pressure tank, 15, a second air tightness detection intelligent pressure controller, 16, a second main outlet solenoid valve, 17, a PLC controller, 18, a touch screen, 19, an air source solenoid valve, 20, a cabinet body, 21, a clamp, 22, a positioning pin, 23, a sealing ring, 24, a mounting plate, 25, a power supply port and 26, and an air supply port.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the present invention with reference to the accompanying drawings makes it clear that the described embodiments are some, but not all, embodiments of the present invention. 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.
Referring to fig. 1 to 4, the present embodiment provides a valve detection test bed for a feces collection system, including:
the air source unit comprises a total air source pressure regulating filter 1, and the inlet end of the total air source pressure regulating filter is connected with an air source;
two groups of first test groups, wherein one group of the first test groups comprises a first pressure regulating valve 2, the inlet end of the first pressure regulating valve is connected with the outlet end of the main gas source pressure regulating filter 1, and the outlet end of the first pressure regulating valve is connected with the inlet end of a first pressure maintaining electromagnetic valve 3; the outlet end of the first pressure-maintaining electromagnetic valve 3 is connected with a first pressure tank 4; the first pressure tank 4 is connected with a first air tightness detection intelligent pressure controller 5 and a first intermediate pressure maintaining device 6; the first middle pressure maintaining device 6 is connected with the inlet ends of three inlet electromagnetic valves 7, and the outlet ends of the inlet electromagnetic valves 7 are used for connecting the inlet ends of the valves to be tested; the system also comprises three outlet electromagnetic valves 8, wherein the inlet ends of the three outlet electromagnetic valves are connected with the outlet end of the valve to be tested, and the outlet end of the three outlet electromagnetic valves is connected with a second middle pressure maintaining device 9; the second intermediate pressure maintaining device 9 is connected with an intelligent pressure controller 10 for detecting switching action and a first main outlet electromagnetic valve 11;
the outlet end of the first pressure regulating valve 2 in the other group of the first test group is further connected with the inlet end of an air source electromagnetic valve 19, the outlet end of the air source electromagnetic valve 19 is used for connecting the control end of the pneumatic two-way valve to be tested, the inlet end of the pneumatic two-way valve to be tested is connected with the outlet end of the inlet electromagnetic valve 7, and the outlet end of the pneumatic two-way valve to be tested is connected with the inlet end of the outlet electromagnetic valve 8; in the group, the first middle pressurizer 6 is connected with six inlet ends of the inlet electromagnetic valves 7, and the second middle pressurizer 9 is connected with six outlet ends of the outlet electromagnetic valves 8.
A second testing group, wherein the second testing group comprises a second pressure regulating valve 12, the inlet end of the second pressure regulating valve is connected with the outlet end of the main air source pressure regulating filter 1, and the outlet end of the second pressure regulating valve is connected with the inlet end of a second pressure maintaining electromagnetic valve 13; the outlet end of the second pressure maintaining electromagnetic valve 13 is connected with a second pressure tank 14; the second pressure tank 14 is connected with a second air tightness detection intelligent pressure controller 15; the system also comprises a second main outlet electromagnetic valve 16, wherein during detection, the inlet end of a valve to be detected is connected to the second pressure tank 14, and the outlet end of the valve to be detected is connected to the second main outlet electromagnetic valve 16; each electromagnetic valve of the second test group and the second air tightness detection intelligent pressure controller 15 are connected with the PLC 17.
The control system comprises a PLC (programmable logic controller) 17 and a touch screen 18 which are communicated with each other, wherein the PLC 17 is connected with each electromagnetic valve of the first test group, the first intelligent air tightness detection pressure controller 5, the intelligent switch action detection pressure controller 10 and a valve to be tested;
the touch screen 18 and the PLC 17 adopt Ethernet communication, which is more stable than RS232/RS485 communication; the touch screen 18 outputs signals to the PLC controller 17, and the PLC controller 17 feeds back the processed signals to the touch screen 18. Meanwhile, the PLC controller 17 controls each of the solenoid valves and the valve to be tested through an intermediate relay according to a signal obtained from the touch screen 18.
Referring to fig. 4 and 5, the testing device further includes a cabinet 20 configured as a box with a door, wherein a mounting plate 24 is disposed on a table top of the cabinet, a clamp 21 is disposed on the mounting plate for mounting and fixing the valve to be tested, and a power supply port 25 and an air supply port 26 are disposed on the box. The valve to be tested is fixed in a manual compression mode, and is convenient and quick to replace; a positioning pin 22 is arranged on the opposite side of the pressing block of the clamping device 21; a sealing ring 23 is arranged at the position where a pressing block of the clamping device 21 is contacted with the sealing surface of the valve to be tested, so that end surface sealing can be realized; the seal ring 23 is made of polyurethane; and the sealing ring 23 and the positioning pin 22 are both provided with holes and used for air inlet and air outlet during detection of the valve to be detected.
First gas tightness detects intelligent pressure controller 5, second gas tightness detects intelligent pressure controller 15, touch-sensitive screen 18 and fixes on cabinet body outside mesa, pressurizer 9, switching action detects intelligent pressure controller 10, PLC controller 17 and each in the middle of pressurizer 6, the second in the middle of first overhead tank 4, second overhead tank 14, the first the solenoid valve is fixed inside the test bench.
The embodiment provides a collection just system valve class test bench theory of operation:
and connecting a power supply of the test bed to 220V, connecting an air source to the pressure of 1MPa, and respectively adjusting the first pressure regulating valve 2 and the second pressure regulating valve 12 of the first group to be detected and the second group to be detected to detection pressure values according to the original vehicle parameter specification.
And placing the valve to be detected on the corresponding positioning pin 22, connecting the power supply of the valve to be detected, pressing the clamp 21 tightly, and starting detection. And selecting a valve to be detected on the interface of the touch screen 18, selecting a first group to be detected when detecting the opening and closing action, and pressing a 'start detection' button on the interface of the touch screen 18 to start detection.
When opening action is detected, the first pressure-maintaining electromagnetic valve 3, the inlet electromagnetic valve 7, the outlet electromagnetic valve 8 and the valve to be detected are all opened, the first main outlet electromagnetic valve 11 is closed, at the moment, the first intelligent air tightness detection pressure controller 5 displays the pressure value of the first pressure tank 4, and when the pressure values of the first intelligent air tightness detection pressure controller 5 and the intelligent switch action detection pressure controller 10 are the same, the opening action is qualified; after the opening action is detected, the first pressure-maintaining electromagnetic valve 3 is closed, the inlet electromagnetic valve 7, the outlet electromagnetic valve 8, the first total outlet electromagnetic valve 11 and the valve to be detected are opened, the first pressure tank 4 is restored to a normal pressure state, the pressure values of the first air tightness detection intelligent pressure controller 5 and the switch action detection intelligent pressure controller 10 are all zero, and the valve to be detected is ready to be detected to be closed;
when the closing action is detected, the first pressure-maintaining electromagnetic valve 3, the inlet electromagnetic valve 7 and the outlet electromagnetic valve 8 are opened, the valve to be detected and the first total outlet electromagnetic valve 11 are closed, at the moment, the pressure value of the intelligent pressure controller 10 for detecting the opening and closing action is zero, and the closing action is qualified.
The number of switching actions may be set by the touch screen 18.
After the valve switch action that awaits measuring detects the completion, carry out the gas tightness automatically and detect:
during the gas tightness detects, the valve that awaits measuring and first total export solenoid valve 11 closes, inlet solenoid valve 7, outlet solenoid valve 8 open, first pressure retaining solenoid valve 3 opens a period of time, to pressurize in the first overhead tank 4, after a certain time first pressure retaining solenoid valve 3 closes, begins the gas tightness and detects the timing. The first air tightness detection intelligent pressure controller 5 detects and displays the pressure value of the first pressure tank 4 in real time, and the pressure drop value is qualified if being smaller than the original vehicle parameter specified value in the specified time. After the detection is finished, the first pressure-maintaining electromagnetic valve 3 is closed, the inlet electromagnetic valve 7, the outlet electromagnetic valve 8, the first total outlet electromagnetic valve 11 and the valve to be detected are opened, and the first pressure tank 4 is restored to a normal pressure state.
It should be noted that, when the switching operation detection and the air-tightness detection need to be performed simultaneously, the first group to be tested without the air supply solenoid valve 19 is selected; when only the airtightness needs to be detected, the second group to be detected can be selected; and when the valve to be detected is a pneumatic two-way valve, selecting the first group to be detected connected with the air source electromagnetic valve 19 for detection. When the second group to be detected detects the air tightness, the principle is the same as that of the first group to be detected for detecting the air tightness.
The valve detection test bed for the excrement collecting system can simultaneously detect various valves such as a pneumatic two-way valve, two ball valves, a Y6 electromagnetic valve, a Y1 electromagnetic valve, a toilet water inlet electromagnetic valve, a fluid valve, a head car toilet faucet water inlet electromagnetic valve, a common car toilet faucet water inlet electromagnetic valve, an anti-freezing emptying electromagnetic valve and the like. The working condition of valves in actual use can be simulated, and the set detection parameters, control logic and execution mode meet the functional requirements of the original vehicle. It can detect whether the air tightness of the valves is intact and whether the opening and closing actions are normal. The number of times of opening and closing actions, the air tightness detection time, the detection process and the detection result are displayed on the touch screen, and the method is more visual. And a detection report can be generated for the detection result, and the detection report can be printed and archived. Meanwhile, the test bed can realize the functions of fault self-checking and the like.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides an excrement collecting system valve class detection test platform which characterized in that includes:
the air source unit comprises a total air source pressure regulating filter (1), and the inlet end of the total air source pressure regulating filter is connected with an air source;
at least one group of first test groups comprises a first pressure regulating valve (2), the inlet end of the first pressure regulating valve is connected with the outlet end of the main gas source pressure regulating filter (1), and the outlet end of the first pressure regulating valve is connected with the inlet end of a first pressure-retaining electromagnetic valve (3); the outlet end of the first pressure-maintaining electromagnetic valve (3) is connected with a first pressure tank (4); the first pressure tank (4) is connected with a first air tightness detection intelligent pressure controller (5) and a first intermediate pressure maintaining device (6); the first middle pressure maintaining device (6) is connected with inlet ends of a plurality of inlet electromagnetic valves (7), and outlet ends of the inlet electromagnetic valves (7) are connected with inlet ends of valves to be tested; the device also comprises a plurality of outlet electromagnetic valves (8), the inlet ends of the outlet electromagnetic valves are connected with the outlet ends of the valves to be tested, and the outlet ends of the outlet electromagnetic valves are connected with a second middle pressure maintaining device (9); the second middle pressure maintaining device (9) is connected with an intelligent pressure controller (10) for detecting switching action and a first main outlet electromagnetic valve (11);
the control system comprises a PLC (programmable logic controller) and a touch screen (18), wherein the PLC (17) is communicated with the PLC and the touch screen, and the PLC (17) is connected with each electromagnetic valve of the first test group, the first air tightness detection intelligent pressure controller (5), the switch action detection intelligent pressure controller (10) and the valve to be tested.
2. A test bed for detecting valves of a feces collection system according to claim 1, characterized in that it further comprises at least one set of second test set comprising a second pressure regulating valve (12) having an inlet end connected to the outlet end of the main air source pressure regulating filter (1) and an outlet end connected to the inlet end of a second pressure maintaining solenoid valve (13); the outlet end of the second pressure maintaining electromagnetic valve (13) is connected with a second pressure tank (14); the second pressure tank (14) is connected with a second air tightness detection intelligent pressure controller (15); the system also comprises a second main outlet electromagnetic valve (16), wherein during detection, the inlet end of a valve to be detected is connected to the second pressure tank (14), and the outlet end of the valve to be detected is connected to the second main outlet electromagnetic valve (16); and each electromagnetic valve and a second air tightness detection intelligent pressure controller (15) of the second test group are connected with the PLC (17).
3. A test bed for detecting valves of a feces collection system according to claim 1, wherein the first test group is two groups, the outlet end of the first pressure regulating valve (2) in one group is further connected with the inlet end of an air source solenoid valve (19), the outlet end of the air source solenoid valve (19) is used for connecting the control end of a pneumatic two-way valve to be tested, the inlet end of the pneumatic two-way valve to be tested is connected with the outlet end of the inlet solenoid valve (7), and the outlet end of the pneumatic two-way valve to be tested is connected with the inlet end of the outlet solenoid valve (8).
4. A test bed for detecting valves of an excrement collecting system according to claim 1, further comprising a cabinet body (20), wherein a mounting plate (24) is arranged on the table top of the cabinet body, a clamp (21) is arranged on the cabinet body and used for mounting and fixing a valve to be detected, and a positioning pin (22) is arranged on the opposite side of a pressing block of the clamp (21).
5. A test bed for detecting valves of a feces collection system according to claim 4, characterized in that a sealing ring (23) is arranged at the position where a pressing block of the clamping device (21) is contacted with a sealing surface of a valve to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123087393.9U CN216746660U (en) | 2021-12-10 | 2021-12-10 | Excrement collecting system valve detection test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123087393.9U CN216746660U (en) | 2021-12-10 | 2021-12-10 | Excrement collecting system valve detection test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216746660U true CN216746660U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123087393.9U Active CN216746660U (en) | 2021-12-10 | 2021-12-10 | Excrement collecting system valve detection test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216746660U (en) |
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2021
- 2021-12-10 CN CN202123087393.9U patent/CN216746660U/en active Active
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