CN203629819U - Safety valve testing device - Google Patents
Safety valve testing device Download PDFInfo
- Publication number
- CN203629819U CN203629819U CN201320860998.3U CN201320860998U CN203629819U CN 203629819 U CN203629819 U CN 203629819U CN 201320860998 U CN201320860998 U CN 201320860998U CN 203629819 U CN203629819 U CN 203629819U
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- safety valve
- pressure
- testing device
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Abstract
The utility model provides a safety valve testing device. The safety valve testing device according to the utility model is used to test safety valves. The safety valve testing device comprises air sources communicated with an air inlet of a safety valve, solenoid valves arranged between the air sources and the air inlet of the safety valve, a first pressure sensor arranged on a pressure outward discharge opening of the safety valve, and a second pressure sensor arranged on a pressure inward discharge opening of the safety valve. The device replaces manpower to perform rapid testing of the safety valve, efficiency is improved for several times, effectively monitoring is performed on performance of the safety valve, testing results are recorded automatically and determined intelligently, product quality is improved, and accuracy is ensured.
Description
Technical field
The utility model relates to air conditioner and water heater field, especially, relates to a kind of safety valve testing device.
Background technology
In hot water machine core component attemperater, safety valve is as its indispensable safety attachment, its relate in let out opening pressure and the opening pressure performance that leaks has determined that can it normally use.To this, inspection party faces inside and outside relieving characteristics and controls project as key, and existing detection method falls behind, and each opening pressure that leaks that detects lets out end in also needing to seal with screw thread sealing cap, and once can only examine one, complex steps, and operating personnel's intensity is large, checkability is low, by manual read's tensimeter data, artificial judgment result, there is human factor, do not guarantee 100% testing result.
Utility model content
The utility model object is to provide a kind of safety valve testing device, and to solve, manual testing's intensity is large, accuracy is low, inefficient technical matters.
For achieving the above object, the utility model provides a kind of safety valve testing device, and for test safety valve, safety valve testing device comprises: source of the gas, and source of the gas is connected with the air intake opening of safety valve; Solenoid valve, is arranged between source of the gas and the air intake opening of safety valve; The first pressure transducer, is arranged on the outer drain port of pressure of safety valve; The second pressure transducer, is arranged on the interior drain port of pressure of safety valve.
Further, safety valve testing device also comprises controller, the admission pressure of controller control source of the gas.
Further, source of the gas comprises the source of the gas of multiple pressure specification.
Further, between multiple sources of the gas and air intake opening, be provided with solenoid valve.
Further, controller comprises analog input module and the Programmable Logic Controller PLC of mutual electrical connection.
Further, analog input module is electrically connected with the first pressure transducer and the second pressure transducer respectively.
Further, Programmable Logic Controller PLC is electrically connected with solenoid valve.
The utlity model has following beneficial effect:
This device replaces manually to be tested fast to safety valve, and efficiency improves several times, the performance of safety valve is effectively monitored, and automatically recorded intelligent decision test result, improves the quality of products and guarantees accuracy.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of safety valve testing device of the present utility model.
Reference numeral in accompanying drawing is as follows: 10, safety valve; 20, source of the gas; 30, solenoid valve; 41, the first pressure transducer; 42, the second pressure transducer; 11, air intake opening; 12, the outer drain port of pressure; 13, drain port in pressure.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, according to safety valve testing device of the present utility model, for test safety valve 10, safety valve testing device comprises: source of the gas 20, and source of the gas 20 is connected with the air intake opening 11 of safety valve 10; Solenoid valve 30, is arranged between source of the gas 20 and the air intake opening 11 of safety valve 10; The first pressure transducer 41, is arranged on the outer drain port 12 of pressure of safety valve 10; The second pressure transducer 42, is arranged on the interior drain port 13 of pressure of safety valve 10.This device replaces manually to be tested fast to safety valve, and efficiency improves several times, the performance of safety valve is effectively monitored, and automatically recorded intelligent decision test result, improves the quality of products and guarantees accuracy.
Referring to Fig. 1, safety valve testing device also comprises controller, the admission pressure of controller control source of the gas 20.Source of the gas 20 comprises the source of the gas of multiple pressure specification.Between multiple sources of the gas 20 and air intake opening 11, be provided with solenoid valve 30, in figure, the bleed pressure of output respectively of four solenoid valves 30 is 0.1MP, 0.2MP, 0.6MP and 0.7MP.
Controller comprises analog input module and the Programmable Logic Controller PLC of mutual electrical connection.Analog input module is electrically connected with the first pressure transducer 41 and the second pressure transducer 42 respectively.Programmable Logic Controller PLC is electrically connected with solenoid valve 30.
This device utilizes pressure transducer, analog input module, elementary cell PLC controls, the devices such as basic circuit, adopt DC24V power module, for whole control circuit power supply, open and set source of the gas 20, solenoid valve 30 air inlets, carrying out safety valve 10 to air intake opening 11 tests, utilize drain port 13 in the first detected pressures of high-accuracy pressure transducer, pressure is exported analog quantity linear voltage through the second pressure transducer 42 and is changed into digital signal to analog module, carry out control algorithm through elementary cell PLC, be less than drain port 13 pressure 0.004MP in pressure, be greater than the interior drain port 13 pressure 0.1MP of pressure in this scope, automatically result of determination is qualified, as qualified in given air intake opening 11 pressure of solenoid valve 30 air inlet, be that the drain port 13 pressure leakage amounts telltale lamp that exceeds standard is bright defective in pressure, man-machine interface autostore test result.The same solenoid valve of program automatic switchover air inlet 0.2MP, the outer drain port 12 of the first pressure transducer 41 open detection pressure.The same step of outward leakage completes detection by that analogy.
Referring to Fig. 1, according to safety valve testing method of the present utility model, source of the gas 20 is to air intake opening 11 air feed; Detect the pressure output value P2 of the second pressure transducer 42 being connected with drain port 13 in the pressure of safety valve 10, if P2 in interior pressure release power setting range, in pressure release power test passes, otherwise warning; The pressure output value P1 that detects the first pressure transducer 41 being connected with the outer drain port 12 of pressure of safety valve 10, if in P1 pressure release power outside setting range, the pressure test that leaks is qualified, otherwise reports to the police; Inside let out pressure test and the pressure test that leaks all qualified in specification product.
The source of the gas of changing different air pressure after above-mentioned testing procedure loops above-mentioned test.The air pressure of source of the gas 20 comprises 0.1MP, 0.2MP, 0.6MP and 0.7MP.Interior pressure release power setting range P2 >=0.004MP or P2≤0.1MP; Pressure setting scope P1 >=0.008MP or P1≤0.2MP leak.
1. plug in press observing and controlling case start man-machine interface and Programmable Logic Controller PLC, analog module all electric.
2. set safety valve of water tank pressure interior drain port 13 pressure 0.004MP, 0.1MP and pressure outer drain port 12 pressure 0.08MP, the 0.2MP on touch-screen and adjust source of the gas.
3. on fixture, place secure sample valve 10 Pen-down detection switches and signal enabling test detected.
4.0.1MP solenoid valve air inlet is carried out safety valve 10 to air intake opening 11 and is tested.
5. utilize drain port 13 in the first detected pressures of high-accuracy pressure transducer,
6. pressure is exported analog quantity linear voltage through the second pressure transducer 42 and is changed into digital signal to analog module
7. carry out control algorithm through elementary cell PLC, be less than drain port 13 pressure 0.004MP in pressure, be greater than in the interior drain port 13 pressure 0.1MP setting ranges of pressure, it is qualified that the interior pressure release power of automatic result of determination opens port,
8. as drain port 13 pressure leakage amounts in pressure, to exceed setup parameter telltale lamp on 22 touch-screens bright defective, man-machine interface autostore test result.
9. the same solenoid valve of program automatic switchover air inlet 0.2MP, the outer drain port 12 of the first pressure transducer 41 open detection pressure.Pressure changes into digital signal through the 36 pressure transducer output analog quantity linear voltages that leak to analog module
10. carry out control algorithm through elementary cell PLC, be less than 34 and leak and open port pressure 0.008MP, be greater than 34 and leak and open in port pressure 0.2MP setting range, result of determination leaks automatically, and to open port be qualified to pressure,
11. as 34 leak opens port pressure leakage rate to exceed setup parameter telltale lamp on 22 touch-screens bright defective, man-machine interface autostore test result.
12. other secure sample valves by that analogy above-mentioned steps complete detection.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Easy to operate, the quick test of the utility model, intelligent decision result, stability are high, reliable.Once check multiple safety valve efficiency to improve several times simultaneously, can effectively monitor safety valve, improve the quality of products and guarantee accuracy.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a safety valve testing device, for test safety valve (10), is characterized in that, described safety valve testing device comprises:
Source of the gas (20), described source of the gas (20) is connected with the air intake opening (11) of described safety valve (10);
Solenoid valve (30), is arranged between described source of the gas (20) and the described air intake opening (11) of described safety valve (10);
The first pressure transducer (41), is arranged on the outer drain port (12) of pressure of described safety valve (10);
The second pressure transducer (42), is arranged on the interior drain port (13) of pressure of described safety valve (10).
2. safety valve testing device according to claim 1, is characterized in that, described safety valve testing device also comprises controller, the admission pressure of source of the gas (20) described in described controller control.
3. safety valve testing device according to claim 1, is characterized in that, described source of the gas (20) comprises the source of the gas of multiple pressure specification.
4. safety valve testing device according to claim 3, is characterized in that, between multiple described sources of the gas (20) and described air intake opening (11), is provided with solenoid valve (30).
5. safety valve testing device according to claim 2, is characterized in that, described controller comprises analog input module and the Programmable Logic Controller PLC of mutual electrical connection.
6. safety valve testing device according to claim 5, is characterized in that, described analog input module is electrically connected with described the first pressure transducer (41) and described the second pressure transducer (42) respectively.
7. safety valve testing device according to claim 5, is characterized in that, described Programmable Logic Controller PLC is electrically connected with described solenoid valve (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860998.3U CN203629819U (en) | 2013-12-24 | 2013-12-24 | Safety valve testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860998.3U CN203629819U (en) | 2013-12-24 | 2013-12-24 | Safety valve testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203629819U true CN203629819U (en) | 2014-06-04 |
Family
ID=50816285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320860998.3U Withdrawn - After Issue CN203629819U (en) | 2013-12-24 | 2013-12-24 | Safety valve testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203629819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729840A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Safety valve testing device and testing method |
| CN110057571A (en) * | 2019-04-12 | 2019-07-26 | 超威电源有限公司 | A kind of detection device and method of electric boosted automobile-used Capsule formula safety valve |
-
2013
- 2013-12-24 CN CN201320860998.3U patent/CN203629819U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729840A (en) * | 2013-12-24 | 2015-06-24 | 珠海格力电器股份有限公司 | Safety valve testing device and testing method |
| CN104729840B (en) * | 2013-12-24 | 2017-11-14 | 珠海格力电器股份有限公司 | Safety valve testing device and method of testing |
| CN110057571A (en) * | 2019-04-12 | 2019-07-26 | 超威电源有限公司 | A kind of detection device and method of electric boosted automobile-used Capsule formula safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20171114 |