CN203587338U - Pressure switch life detection tool - Google Patents
Pressure switch life detection tool Download PDFInfo
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- CN203587338U CN203587338U CN201320797277.2U CN201320797277U CN203587338U CN 203587338 U CN203587338 U CN 203587338U CN 201320797277 U CN201320797277 U CN 201320797277U CN 203587338 U CN203587338 U CN 203587338U
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- pressure switch
- pressure
- life detection
- detection tool
- controller
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 230000001276 controlling effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
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Abstract
The utility model discloses a pressure switch life-span detects frock, include: a fluid supply device (1); a pressure regulating valve (2) connected to a fluid output of the fluid supply device (1); the inlet end of the pressure switch mounting position (5) is connected with one end, far away from the fluid supply device (1), of the pressure regulating valve (2) through an inlet pipeline; and the discharge pipeline is communicated with the outlet end of the pressure switch mounting position (5). The utility model provides a pressure switch life-span detects frock will wait to detect pressure switch installs in pressure switch installation position, reaches the actual operating condition of simulation pressure switch when the complete machine operation, accomplishes pressure switch's life-span detection operation. Through the service life detection of the pressure switch, the service life quality of the pressure switch is controlled in the factory detection process, and the probability of the failure of the whole machine due to the failure of the pressure switch is reduced.
Description
Technical Field
The utility model relates to a check out test set technical field, in particular to pressure switch life-span detects frock.
Background
A pressure switch is a pressure control device that generates an alarm or control signal when the measured pressure reaches a rated value.
Taking the high-voltage switch in the water purifier as an example, the high-voltage switch installed in the water purifier is used for automatically controlling the water purifier to work. When the water pressure of the purified water reaches a higher pressure (such as 0.3Mpa), the high-voltage switch sends out a control signal to cut off the power supply, so that the water purifier is shut down; the discharge system of the pure water works (for example, a tap is opened to discharge water), when the water pressure of the pure water is reduced to lower pressure (for example, 0.15 Mpa), the high-voltage switch sends out a control signal, and the power supply is switched on, so that the water purifier enters a normal water production state. Through setting up high voltage switch, ensured the operation security of water purification machine.
However, the high-voltage switch is frequently operated, and the service life performance index of the high-voltage switch seriously influences the probability of the water purifier failing. When the high-voltage switch is out of service due to the fact that the service life of the high-voltage switch is prolonged, the whole machine is prone to failure.
Therefore, how to detect the service life of the pressure switch and reduce the failure rate of the whole machine becomes a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a pressure switch life-span detects frock to detect pressure switch's life reduces the complete machine fault rate.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a pressure switch life-span detects frock, includes:
a fluid supply device;
a pressure regulating valve connected to a fluid output of the fluid supply;
the inlet end of the pressure switch mounting position is connected with one end, far away from the fluid supply device, of the pressure regulating valve through an inlet pipeline;
and the discharge pipeline is communicated with the outlet end of the pressure switch mounting position.
Preferably, in the above pressure switch life detection tool, the fluid supply device is an air source.
Preferably, in the above-mentioned pressure switch life detection frock, still include set up in the manometer on the entering pipeline.
Preferably, the pressure switch service life detection tool further comprises an inlet electromagnetic valve arranged on the inlet pipeline.
Preferably, the pressure switch service life detection tool further comprises a discharge solenoid valve arranged on the discharge pipeline.
Preferably, in the above-mentioned pressure switch life detection frock, still include the controller, the controller includes the control get in the solenoid valve with the alternative relay who opens of letting out the solenoid valve.
Preferably, in the above pressure switch life detection tool, the controller further includes a time relay for controlling on/off of the intermediate relay.
Preferably, in the above pressure switch life detection tool, the controller further includes a counter for controlling on/off of the time relay.
Preferably, in the above-mentioned pressure switch life detection frock, the controller still includes switch.
Preferably, in the above-mentioned pressure switch life detection frock, the controller still includes the fuse.
According to the above technical scheme, the utility model provides a pressure switch life-span detects frock will wait to detect pressure switch installs in pressure switch installation position, adjusts the fluid pressure that fluid supply device carried to the pressure switch of pressure switch installation position through the pressure regulating valve, adjusts the pressure impact to pressure switch, makes the inside micro-gap switch of pressure switch take place to vibrate, and then reaches the actual operating condition of simulation pressure switch when the complete machine moves, accomplishes pressure switch's life-span detection operation. Through the service life detection of the pressure switch, the service life quality of the pressure switch is controlled in the factory detection process, and the probability of the failure of the whole machine due to the failure of the pressure switch is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pressure switch life detection tool provided in an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a controller according to an embodiment of the present invention.
Wherein,
the device comprises a fluid supply device-1, a pressure regulating valve-2, a pressure gauge-3, an inlet electromagnetic valve-4, a pressure switch mounting position-5, an intermediate relay-6, a controller-7, a discharge electromagnetic valve-8, a time relay-9, a counter-10, a fuse-11 and a power switch-12.
Detailed Description
The utility model discloses a pressure switch life-span detects frock to detect pressure switch's life reduces the complete machine fault rate.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a pressure switch life detection tool according to an embodiment of the present invention.
As shown in fig. 1, the embodiment of the utility model provides a pressure switch life-span detects frock, include: a fluid supply device 1; a pressure regulating valve 2 connected to a fluid output end of the fluid supply device 1; the inlet end of the pressure switch mounting position 5 is connected with one end, far away from the fluid supply device 1, of the pressure regulating valve 2 through an inlet pipeline; and the discharge pipeline is communicated with the outlet end of the pressure switch mounting position 5.
The embodiment of the utility model provides a pressure switch life-span detects frock, the pressure switch that will wait to detect installs in pressure switch installation position 5, adjusts the fluid pressure that fluid supply device 1 carried to the pressure switch of pressure switch installation position 5 through air-vent valve 2, adjusts the pressure impact to pressure switch, makes the inside micro-gap switch of pressure switch vibrate, and then reaches the actual operating condition of simulation pressure switch when the complete machine moves, accomplishes pressure switch's life-span detection operation. Through the service life detection of the pressure switch, the service life quality of the pressure switch is controlled in the factory detection process, and the probability of the failure of the whole machine due to the failure of the pressure switch is reduced.
In the present embodiment, the fluid supply device 1 is a gas source. Preferably, the gas that the air supply provided is pollution-free gas, and through leading into gaseous detection to the pressure switch of pressure switch installation position 5, when reaching the detection effect, can directly be discharged gas from the escape canal, need not to retrieve or clearance. Of course, a liquid-detection pressure switch can also be used, i.e. the fluid supply device 1 is a hydraulic pump or a water supply line, which is not described here and is within the scope of protection.
The pressure range of the air source is determined by the opening pressure and the closing pressure of the actually detected pressure switch. Taking a high-voltage switch in a water purifier as an example, when the high-voltage switch reaches 0.3Mpa, the power is cut off to stop the water purifier, and when the high-voltage switch reaches 0.15Mpa, the power is automatically switched on to enable the water purifier to normally work, and when the high-voltage switch is detected, the pressure range of an air source is 0-0.6Mpa, namely the high-voltage off value (0.3 Mpa) and the low-voltage on value (0.15 Mpa) of the high-voltage switch are included, so that the test is completed.
In order to improve the precision that the pressure regulating valve 2 adjusted the fluid pressure of fluid supply device 1, the embodiment of the utility model provides an in the pressure switch life-span detection frock, still including setting up manometer 3 on getting into the pipeline. Adjust pressure regulating valve 2 through observing when manometer 3 to in the internal pressure that gets into the pipeline of audio-visual understanding, and then through pressure regulating valve 2 regulated pressure, accomplish the accurate control and let in fluidic pressure to the pressure switch of pressure switch installation position 5.
As shown in fig. 1, the pressure switch life detection tool provided in this embodiment further includes an inlet solenoid valve 4 disposed on the inlet pipeline. The inlet solenoid valve 4 is opened to allow fluid to flow to the pressure switch mounting location 5 and into the pressure switch.
Further, the pressure switch life-span that this embodiment provided detects frock still includes sets up the solenoid valve 8 of letting out on discharge line. The drain solenoid valve 8 is opened to drain the fluid in the pressure switch. Through setting up entering solenoid valve 4 and letting out solenoid valve 8, can control pressure switch's opening and closing effectively, improve the control of fluid process pressure switch's time, and then improved the effect to pressure switch's detection effect.
As shown in fig. 1 and 2, the pressure switch service life detection tool further includes a controller 7, and the controller 7 includes an intermediate relay 6 for controlling the alternate opening of the inlet solenoid valve 4 and the outlet solenoid valve 8. As shown in fig. 1, the intermediate relay 6 is in communication connection with the inlet solenoid valve 4 and the outlet solenoid valve 8; as shown in fig. 2, in the M1 circuit of the intermediate relay 6, a single-pole double-throw type is used together with the inlet solenoid valve 4 and the outlet solenoid valve 8, that is, the intermediate relay 6 controls the inlet solenoid valve 4 and the outlet solenoid valve 8, the outlet solenoid valve 8 is closed when the inlet solenoid valve 4 is opened, and the inlet solenoid valve 4 is closed when the outlet solenoid valve 8 is opened.
When the intermediate relay 6 does not send out a control signal, the inlet electromagnetic valve 4 is in a normally open state, and the outlet electromagnetic valve 8 is in a stadium state.
Further, the utility model provides an in the pressure switch life-span detect frock, controller 7 still includes the time relay 9 of the break-make of control auxiliary relay 6. As shown in fig. 2, the on-off control of the time relay 9 on the intermediate relay 6 realizes the control of the detected on-time and off-time in the detection process of the pressure switch, so as to control the adjustment of the single detection time.
The controller 7 also comprises a counter 10 which controls the on-off of the time relay 9. The on-off of the time relay 9 is controlled by the on-off counter 10, and the on-off times of the pressure switch are directly recorded. The number of on-off times, i.e., the number of times of detection of the detected pressure switch, may also be recorded at each on-off time.
The embodiment of the utility model provides a controller 7 in the pressure switch life-span detects frock, controller 7 still includes switch 12. Through setting up switch 12 for turn on controller 7 after pressure switch installs in pressure switch installation position 5, and in the in-process of dismantling and changing new pressure switch from pressure switch installation position 5 after will detecting, turn off switch 12 of controller 7, reduced power consumption when having improved the operational safety.
As shown in fig. 2, in the pressure switch life detection process, first, the power switch 12 is turned on, so that the controller 7 is turned on. The on-off of the time relay 9 is controlled by a counter 10 in the controller 7, and at the same time, the detection times are recorded, wherein the recorded data are directly given by a pressure switch in the pressure switch mounting position 5 to be an on-short signal. Every time the pressure switch is switched on and off sequentially, the counter 10 records one datum, and the function of presetting the service life detection times can also be realized, namely, a preset numerical value is set in the counter 10, and when the pressure switch finishes the detection times of the preset numerical value, the detection is informed.
In order to improve the operation safety of the pressure switch service life detection tool provided by the embodiment, the controller 7 further comprises a fuse 11. The fuse 11 is a protection device when an abnormality occurs in a circuit, such as a fuse or a circuit breaker applied in daily life.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
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 (10)
1. The utility model provides a pressure switch life-span detects frock which characterized in that includes:
a fluid supply device (1);
a pressure regulating valve (2) connected to a fluid output of the fluid supply device (1);
the inlet end of the pressure switch mounting position (5) is connected with one end, far away from the fluid supply device (1), of the pressure regulating valve (2) through an inlet pipeline;
and the discharge pipeline is communicated with the outlet end of the pressure switch mounting position (5).
2. The pressure switch life detection tool according to claim 1, wherein the fluid supply device (1) is an air source.
3. The pressure switch life detection tool according to claim 1, further comprising a pressure gauge (3) disposed on the inlet pipe.
4. The pressure switch life detection tool according to claim 1, further comprising an inlet solenoid valve (4) disposed on the inlet pipe.
5. The pressure switch life detection tool according to claim 4, further comprising a discharge solenoid valve (8) disposed on the discharge pipe.
6. The pressure switch life detection tool according to claim 5, further comprising a controller (7), wherein the controller (7) comprises an intermediate relay (6) controlling the alternate opening of the inlet solenoid valve (4) and the outlet solenoid valve (8).
7. The pressure switch service life detection tool according to claim 6, wherein the controller (7) further comprises a time relay (9) for controlling the on-off of the intermediate relay (6).
8. The pressure switch life detection tool according to claim 7, wherein the controller (7) further comprises a counter (10) for controlling on/off of the time relay (9).
9. The pressure switch life detection tool of claim 8, wherein the controller (7) further comprises a power switch (12).
10. Pressure switch life detection tooling according to any one of claims 6 to 9, characterized in that the controller (7) further comprises a fuse (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797277.2U CN203587338U (en) | 2013-12-06 | 2013-12-06 | Pressure switch life detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797277.2U CN203587338U (en) | 2013-12-06 | 2013-12-06 | Pressure switch life detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587338U true CN203587338U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320797277.2U Expired - Fee Related CN203587338U (en) | 2013-12-06 | 2013-12-06 | Pressure switch life detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587338U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697759A (en) * | 2013-12-06 | 2015-06-10 | 珠海格力电器股份有限公司 | pressure switch life detection tool |
| TWI570760B (en) * | 2015-03-24 | 2017-02-11 | 洪斐喆 | A method of inspecting pressure switch |
| CN117031269A (en) * | 2023-08-17 | 2023-11-10 | 明瀚科技(苏州)有限公司 | Switch inspection device and inspection method |
-
2013
- 2013-12-06 CN CN201320797277.2U patent/CN203587338U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697759A (en) * | 2013-12-06 | 2015-06-10 | 珠海格力电器股份有限公司 | pressure switch life detection tool |
| TWI570760B (en) * | 2015-03-24 | 2017-02-11 | 洪斐喆 | A method of inspecting pressure switch |
| CN117031269A (en) * | 2023-08-17 | 2023-11-10 | 明瀚科技(苏州)有限公司 | Switch inspection device and inspection method |
| CN117031269B (en) * | 2023-08-17 | 2024-03-08 | 明瀚科技(苏州)有限公司 | Switch inspection device and inspection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20211206 |