CN203685771U - Leakage alarm monitoring device of engineering mechanical hydraulic system - Google Patents
Leakage alarm monitoring device of engineering mechanical hydraulic system Download PDFInfo
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- CN203685771U CN203685771U CN201420017000.8U CN201420017000U CN203685771U CN 203685771 U CN203685771 U CN 203685771U CN 201420017000 U CN201420017000 U CN 201420017000U CN 203685771 U CN203685771 U CN 203685771U
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Abstract
The utility model discloses a leakage alarm monitoring device of an engineering mechanical hydraulic system. The leakage alarm monitoring device of the engineering mechanical hydraulic system comprises a signal isolator. The input end of the signal isolator is connected with a liquid level sensor used for detecting the liquid level of hydraulic oil in an oil tank in real time, and the two output ends of the signal isolator are connected with a liquid level display screen and a leakage sound-light alarm device respectively. The leakage sound-light alarm device comprises a PLC module, a GSM module connected with the PLC module, a warning lamp and a warning horn. The PLC module is connected with one output end of the signal isolator, and the GSM module is connected with a GSM antenna. The input end of the PLC module is connected with a key module, the output end of the PLC module is connected with an alarm relay, and the alarm relay is connected into a power supply loop of the warning lamp and the warning horn in series. The liquid level display screen is connected with the output end of the PLC module. The leakage alarm monitoring device of the engineering mechanical hydraulic system can be mounted and used conveniently in an engineering mechanical cab, the function is complete, the phenomena of oil resource loss and environmental pollution are avoided, and system efficiency can be prevented from being lowered.
Description
Technical field
The utility model belongs to technical field of engineering machinery, especially relates to a kind of construction machinery hydraulic system leakage alarms monitoring device.
Background technique
Along with the continuous expansion of China's foundation engineering construction scale, Domestic market is very fast to the increase in demand of engineering machinery, has promoted the development of China's construction machinery industry.Hydraulic system is widely applied in the travel driving system and work system of engineering machinery.But construction machinery hydraulic system in the course of the work, always there will be some problems, especially pipeline leakage problem.According to relevant statistics, in engineering machinery fault, leakage of oil (leaking outside) fault accounts for 20%～30, and wherein oil hydraulic cylinder oil leakage fault accounts for 33%, and pipe arrangement accounts for 23%, and hydraulic pressure installation accounts for 20%.If add interior leakage, the shared ratio of oil leakage fault will be larger.Systemic contamination, oil temperature is too high all can cause machinery hydraulic system leakage of oil, the leakage of oil that wherein pipeline problem causes most serious of all with pipeline problem.Because construction machinery hydraulic system pipeline is more, once leakage problem appears in hydraulic pipe line, be generally not easy to be found, so not only cause fluid resources loss, environmental pollution, system effectiveness to reduce, when serious, also will cause shutdown loss.
Model utility content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of construction machinery hydraulic system leakage alarms monitoring device is provided, its easy to install in engineering machinery driving cabin, complete function, avoid causing fluid resources loss, environmental pollution and system effectiveness to reduce, practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of construction machinery hydraulic system leakage alarms monitoring device, it is characterized in that: comprise the signal isolator that is converted to the two-way output signal of isolating with input signal for Jiang Yi road input signal, the input end of described signal isolator is connected to the liquid level sensor in the fuel tank that is arranged on construction machinery hydraulic system and for the liquid level of hydraulic oil in fuel tank being carried out detect in real time, two output terminals of described signal isolator are connected to respectively liquid level display screen and reveal acoustic-optic alarm, described liquid level display screen and leakage acoustic-optic alarm are all arranged on instrument panel side in engineering machinery driving cabin, the gsm module that described leakage acoustic-optic alarm comprises PLC module and joins with PLC module, and warning light and alarming horm, the output terminal of described PLC module and signal isolator joins, on described gsm module, be connected to GSM antenna, the input end of described PLC module is connected to key-press module, the output terminal of described PLC module is connected to alarm relay, described alarm relay is connected in the current supply circuit of warning light and the current supply circuit of alarming horm, the output terminal of described liquid level display screen and PLC module joins.
Above-mentioned a kind of construction machinery hydraulic system leakage alarms monitoring device, is characterized in that: the model of described signal isolator is SWP8034.
Above-mentioned a kind of construction machinery hydraulic system leakage alarms monitoring device, is characterized in that: described liquid level sensor is magnetostrictive liquid level sensor.
Above-mentioned a kind of construction machinery hydraulic system leakage alarms monitoring device, is characterized in that: described liquid level display screen is digitron display screen.
Above-mentioned a kind of construction machinery hydraulic system leakage alarms monitoring device, is characterized in that: described PLC module is Siemens S7-200 series of PLC module.
The utility model compared with prior art has the following advantages:
1, the utility model circuit structure is simple, easy-to-connect, easy to install in engineering machinery driving cabin.
2, complete function of the present utility model, not only can show liquid level information in real time by liquid level display screen, is convenient to driver and staff and monitors at any time the situation of change of hydraulic oil liquid level in fuel tank; The lamp that can also give the alarm in the time that leakage of oil occurs flicker alarm signal and audible ringing signal, there is oil leakage phenomenon in prompting staff; Can also send alarming short message by gsm module and GSM days alignment staff's mobile phone, realize long-distance alarm, even in the situation that engineering machinery is not worked, also can realize the comprehensive protection to construction machinery hydraulic system leakage phenomenon.
3, the utility model can be found in time the oil leakage phenomenon of construction machinery hydraulic system and send alarm, has avoided causing fluid resources loss, environmental pollution and system effectiveness to reduce, and can also reduce shutdown loss.
4, of the present utility model to realize cost low, practical, and using effect is good, is convenient to promote the use of.
In sum, easy to install in engineering machinery driving cabin of the utility model, complete function, has avoided causing fluid resources loss, environmental pollution and system effectiveness to reduce, practical, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Description of reference numerals:
1-signal isolator; 2-liquid level sensor; 3-liquid level display screen;
4-PLC module; 5-gsm module; 6-warning light;
7-alarming horm; 8-GSM antenna; 9-key-press module;
10-alarm relay.
Embodiment
As shown in Figure 1, the utility model comprises the signal isolator 1 that is converted to the two-way output signal of isolating with input signal for Jiang Yi road input signal, the input end of described signal isolator 1 is connected to the liquid level sensor 2 in the fuel tank that is arranged on construction machinery hydraulic system and for the liquid level of hydraulic oil in fuel tank being carried out detect in real time, two output terminals of described signal isolator 1 are connected to respectively liquid level display screen 3 and reveal acoustic-optic alarm, described liquid level display screen 3 and leakage acoustic-optic alarm are all arranged on instrument panel side in engineering machinery driving cabin, the gsm module 5 that described leakage acoustic-optic alarm comprises PLC module 4 and joins with PLC module 4, and warning light 6 and alarming horm 7, described PLC module 4 is joined with the output terminal of signal isolator 1, on described gsm module 5, be connected to GSM antenna 8, the input end of described PLC module 4 is connected to key-press module 9, the output terminal of described PLC module 4 is connected to alarm relay 10, described alarm relay 10 is connected in the current supply circuit of warning light 6 and the current supply circuit of alarming horm 7, described liquid level display screen 3 joins with the output terminal of PLC module 4.
As shown in Figure 1, in the present embodiment, the model of described signal isolator 1 is SWP8034.Described liquid level sensor 2 is magnetostrictive liquid level sensor.Described liquid level display screen 3 is digitron display screen.Described PLC module 4 is Siemens S7-200 series of PLC module.
Working principle of the present utility model and working procedure are: liquid level sensor 2 liquid level of hydraulic oil in the fuel tank of construction machinery hydraulic system is detected in real time and by detect to such an extent that signal is exported to signal isolator 1, the signal that signal isolator 1 is exported liquid level sensor 2 is divided into two, liquid level display screen 3 is exported on one tunnel, carry out liquid level demonstration, be convenient to driver and staff and monitor at any time the situation of change of hydraulic oil liquid level in fuel tank, PLC module 4 is exported on another road, PLC module 4 is received to such an extent that detection level value is compared with the domain of walker value of the liquid level arranging by operation push-button module 9 in advance, in the time that detection level value is in domain of walker value, do not illustrate and do not leak, in the time detecting level value lower than domain of walker value, illustrate leakage has occurred, now, PLC module 4 is controlled alarm relay 10 and is connected the current supply circuit of warning light 6 and the current supply circuit of alarming horm 7 simultaneously, warning light 6 starts flicker and reports to the police, alarming horm 7 warning of sounding, there is oil leakage phenomenon in prompting staff, keep in repair in time, thereby reduce the loss to greatest extent, in addition, PLC module 4 can also send alarming short message to staff's mobile phone by gsm module 5 and GSM antenna 8, realize long-distance alarm, even in the situation that engineering machinery is not worked, also can realize the comprehensive protection to construction machinery hydraulic system leakage phenomenon.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. a construction machinery hydraulic system leakage alarms monitoring device, it is characterized in that: comprise the signal isolator (1) that is converted to the two-way output signal of isolating with input signal for Jiang Yi road input signal, the input end of described signal isolator (1) is connected to the liquid level sensor (2) in the fuel tank that is arranged on construction machinery hydraulic system and for the liquid level of hydraulic oil in fuel tank being carried out detect in real time, two output terminals of described signal isolator (1) are connected to respectively liquid level display screen (3) and reveal acoustic-optic alarm, described liquid level display screen (3) and leakage acoustic-optic alarm are all arranged on instrument panel side in engineering machinery driving cabin, the gsm module (5) that described leakage acoustic-optic alarm comprises PLC module (4) and joins with PLC module (4), and warning light (6) and alarming horm (7), described PLC module (4) is joined with the output terminal of signal isolator (1), on described gsm module (5), be connected to GSM antenna (8), the input end of described PLC module (4) is connected to key-press module (9), the output terminal of described PLC module (4) is connected to alarm relay (10), described alarm relay (10) is connected in the current supply circuit of warning light (6) and the current supply circuit of alarming horm (7), described liquid level display screen (3) joins with the output terminal of PLC module (4).
2. according to a kind of construction machinery hydraulic system leakage alarms monitoring device claimed in claim 1, it is characterized in that: the model of described signal isolator (1) is SWP8034.
3. according to a kind of construction machinery hydraulic system leakage alarms monitoring device claimed in claim 1, it is characterized in that: described liquid level sensor (2) is magnetostrictive liquid level sensor.
4. according to a kind of construction machinery hydraulic system leakage alarms monitoring device claimed in claim 1, it is characterized in that: described liquid level display screen (3) is digitron display screen.
5. according to a kind of construction machinery hydraulic system leakage alarms monitoring device claimed in claim 1, it is characterized in that: described PLC module (4) is Siemens S7-200 series of PLC module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017000.8U CN203685771U (en) | 2014-01-10 | 2014-01-10 | Leakage alarm monitoring device of engineering mechanical hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017000.8U CN203685771U (en) | 2014-01-10 | 2014-01-10 | Leakage alarm monitoring device of engineering mechanical hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685771U true CN203685771U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420017000.8U Expired - Fee Related CN203685771U (en) | 2014-01-10 | 2014-01-10 | Leakage alarm monitoring device of engineering mechanical hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592676A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Supporting leg hydraulic cylinder suitable for engineering machine |
| CN109827636A (en) * | 2019-03-14 | 2019-05-31 | 国投新疆罗布泊钾盐有限责任公司 | Digital liquid level measuring instrument |
| CN111156426A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Liquefied hydrocarbon spherical tank leakage protection device and method |
-
2014
- 2014-01-10 CN CN201420017000.8U patent/CN203685771U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592676A (en) * | 2016-12-06 | 2017-04-26 | 泸州长江液压密封件有限公司 | Supporting leg hydraulic cylinder suitable for engineering machine |
| CN111156426A (en) * | 2018-11-08 | 2020-05-15 | 中国石油化工股份有限公司 | Liquefied hydrocarbon spherical tank leakage protection device and method |
| CN109827636A (en) * | 2019-03-14 | 2019-05-31 | 国投新疆罗布泊钾盐有限责任公司 | Digital liquid level measuring instrument |
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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 |
Granted publication date: 20140702 Termination date: 20150110 |
|
| EXPY | Termination of patent right or utility model |