CN102477902B - Alarm monitoring device for anti-explosion power machine pneumatic protection system - Google Patents
Alarm monitoring device for anti-explosion power machine pneumatic protection system Download PDFInfo
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- CN102477902B CN102477902B CN 201010557677 CN201010557677A CN102477902B CN 102477902 B CN102477902 B CN 102477902B CN 201010557677 CN201010557677 CN 201010557677 CN 201010557677 A CN201010557677 A CN 201010557677A CN 102477902 B CN102477902 B CN 102477902B
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Abstract
The invention relates to an alarm monitoring device for an anti-explosion power machine pneumatic protection system, comprising a water level control valve, an exhaust temperature control valve, a coolant temperature control valve, a machine body temperature control valve and a machine oil pressure control valve which are connected in parallel. Air inlets of the control valves are communicated with an air source; air outlets of the control valves are divided into two branches, one branch is connected to different positions of a fault indicator, and the other branch is connected to a main air outlet pipe through a check valve; an oil-breaking cylinder and an air-breaking cylinder are connected on to the main air outlet pipe; when a certain index exceeds standard, the air inlet and the air outlet of the corresponding control valve are communicated, compressed air input by the air source enters into a corresponding position of the fault indicator, and the fault indicator is used for warning an index fault corresponding to the position; and the compressed air also enters into the oil-breaking cylinder and the air-breaking cylinder through the check valve, so that a power machine is halted due to oil and air breaking. The alarm monitoring device is free of anti-explosion processing, has simple principle, and can be used for displaying an alarming index in real time, and the maintenance time is reduced.
Description
Technical field
The present invention relates to the alarm monitoring field, particularly a kind of alarm monitor for anti-explosion power machine pneumatic protection system.
Background technique
In the process that the driving of coal mine roadway is exploited and transported, need to use multiple colliery special vehicle.Diesel engine is widely used in the colliery with in special vehicle with its larger power and low user cost.Anti-explosion diesel engine in use has stricter requirement to delivery temperature, body surface temperature, cooling water temperature, engine oil pressure, the cleaned water tank lowest water level of diesel engine; above-mentioned every any one when being above standard; diesel engine should be reported to the police and autostop; otherwise; can cause diesel engine to damage, cause the danger of explosive gas blast under coal mine.Therefore, its parameters is effectively detected, monitors, in time fix a breakdown, reduce engineering time most important.
Referring to Fig. 1; existing anti-explosion diesel engine air protective system theory structure is shown; the altitude valve 11 of this pneumatic protection system, delivery temperature control valve 12, coolant temperature control valve 13, organism temperature control valve 14, engine oil pressure control valve 15 are connected in parallel successively; the suction port of above-mentioned each control valve is communicated with source of the gas; the air outlet is communicated to total steam outlet pipe, is connected with oil-break cylinder 16 on total steam outlet pipe, die cylinder 17 and air horn 18.
When exceeding standard appears in the arbitrary control valve detection of above-mentioned pneumatic protection system middle water level control valve 11, delivery temperature control valve 12, coolant temperature control valve 13, organism temperature control valve 14 and engine oil pressure control valve 15 index; the suction port of corresponding control valve and air outlet are communicated with; gas enters total steam outlet pipe; promote oil-break cylinder 16 and die cylinder 17 actions; the anti-explosion diesel engine oil-break of dying is shut down, and by air horn 18 caution of blowing a whistle.Although above-mentioned pneumatic protection system can be shut down caution when breaking down, the field maintenance personnel can't go wrong according to concrete which index of this alarm signal judgement.
At present, the alarm monitor of common protective system, sensor installation on each control valve, sensor is transferred to controller with the signal that detects, and controller is realized the alarming index monitoring according to the signal that detects.But, the sensor work of need to switching on, therefore it needed to carry out technological processing for explosion protection feature according to the safety of coal mines standard before using, and the power supply that is used in combination with sensor, controller etc. relate to electric device all needs to carry out technological processing for explosion protection feature, causes the processing of this protective gear to use operation comparatively loaded down with trivial details; Simultaneously, the structure of this alarm monitor is comparatively complicated, and volume is larger, in the situation that the complete machine space is definite, is unfavorable for the layout of complete machine structure.
Summary of the invention
Purpose of the present invention provides a kind of alarm monitor for anti-explosion power machine pneumatic protection system, and this device need not to carry out technological processing for explosion protection feature, and its principle is simple, and in time the display alarm index, reduce engineering time.
A kind of alarm monitor for anti-explosion power machine pneumatic protection system of the present invention, comprise the altitude valve, delivery temperature control valve, coolant temperature control valve, organism temperature control valve and the engine oil pressure control valve that are connected in parallel, the suction port of above-mentioned each control valve is communicated with source of the gas, the bifurcation road, air outlet of above-mentioned each control valve, a branch road is connected to the diverse location of fault indication device; Another branch road is communicated to total steam outlet pipe via one-way valve, is connected with the oil-break cylinder and the cylinder of dying on total steam outlet pipe; During a certain index exceeding standard, the suction port of corresponding control valve and air outlet are communicated with, and the pressurized air of source of the gas input enters the relevant position of fault indication device, and fault indication device is warned index fault corresponding to this position; Pressurized air also enters oil-break cylinder and the cylinder of dying through one-way valve, makes the shutdown of dying of power engine oil-break.
Preferably, also be connected with air horn on described total steam outlet pipe, send alarm signal when pressurized air enters.
Preferably, described fault indication device is the warning indication box, and the warning indication box is provided with and the air outlet of each control valve suction port one to one; When certain suction port of warning indication box enters pressurized air, warn index fault corresponding to this suction port.
Preferably, the enterprising gas port of warning indication box is connected with respectively cylinder, and the pressurized air that enters from suction port ejects the piston rod in cylinder, the index fault that the piston rod extended position is corresponding.
Preferably, described fault indication device is 5 cylinders, is communicated with the air outlet of each control valve respectively.
Preferably, power engine is diesel engine.
Compared with prior art, the present invention has the following advantages:
Alarm monitor of the present invention need not power supply, when a certain index exceeding standard, only needs the just index of monitoring alarm of connection by gas circuit.The present invention need not to carry out technological processing for explosion protection feature, and its principle is simple, and in time the display alarm index, reduce engineering time.
Description of drawings
Fig. 1 is existing anti-explosion diesel engine air protective system principle assumption diagram;
Fig. 2 is alarm monitor the first example structure figure of the present invention;
Fig. 3 is the present invention indication box concrete structure figure that reports to the police;
Fig. 4 is alarm monitor the second example structure figure of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Alarm monitor of the present invention need not power supply, when a certain index exceeding standard, only needs the just index of monitoring alarm of connection by gas circuit.The present invention need not to carry out technological processing for explosion protection feature, and its principle is simple, and in time the display alarm index, reduce engineering time.Power engine of the present invention can be diesel engine or petrol engine.
Referring to Fig. 2, alarm monitor the first example structure is shown.The altitude valve 11 of this pneumatic protection system, delivery temperature control valve 12, coolant temperature control valve 13, organism temperature control valve 14, engine oil pressure control valve 15 are connected in parallel successively.The suction port of above-mentioned each control valve is communicated with source of the gas, bifurcation road, air outlet, a branch road is connected to the corresponding suction port of index display box 10, and another branch road is communicated to total steam outlet pipe via one-way valve 19, is connected with oil-break cylinder 16 on total steam outlet pipe, die cylinder 17 and air horn 18.
Under normal state, each control valve is in normally off.When a certain index exceeding standard, the suction port of the control valve that this index is corresponding is communicated with the air outlet, and pressurized air passes through, and pressurized air one tunnel enters total steam outlet pipe, promotes oil-break cylinder 16 and cylinder 17 actions of dying, and the anti-explosion diesel engine oil-break of dying is shut down; Another road enters the corresponding suction port of alert index display box 10, and alarming index display box 10 shows information warning at corresponding position, and which index exceeding standard the maintenance man can judge according to information warning, can in time process and get rid of fault.
For example, during excessive discharge temperature, delivery temperature control valve 12 is opened, and open suction port and air outlet, and pressurized air is leaded up to one-way valve and entered total steam outlet pipe, promotes oil-break cylinder 16 and cylinder 17 actions of dying, and the anti-explosion diesel engine oil-break of dying is shut down; Another road enters the 4th suction port of alert index display box 10, alert index display box 10 caution delivery temperature faults.The maintenance man can not need to detect according to this information warning again, just knows the fault point, convenient in time processing.
Referring to Fig. 3, the present invention's indication box concrete structure of reporting to the police is shown, warning indication box 10 comprises 5 cylinder 10A, carry out respectively each index sign of reporting to the police in cylinder 10A mounting point, when arbitrary index exceeding standard, pressurized air enters respective cylinder 10A, and piston rod 101 actions that promote cylinder are stretched out, reporting to the police according to the index of the cylinder location that stretches out piston rod 101 identifies, and can judge the warning of which index exceeding standard.
Those skilled in the art should know, the present invention's indication box 10 of reporting to the police can be the fault indication device of various structures, only need fault indication device different position corresponding one by one with each control valve, during a certain index exceeding standard, the suction port of corresponding control valve and air outlet are communicated with, the pressurized air of source of the gas input enters the relevant position of fault indication device, and fault indication device is warned index fault corresponding to this position.
Referring to Fig. 4, alarm monitor the second example structure is shown.The altitude valve 11 of this pneumatic protection system, delivery temperature control valve 12, coolant temperature control valve 13, organism temperature control valve 14, engine oil pressure control valve 15 are connected in parallel successively.The suction port of above-mentioned each control valve is communicated with source of the gas, bifurcation road, air outlet, and a branch road is connected to corresponding cylinder 10A; Another branch road is communicated to total steam outlet pipe via one-way valve 19, is connected with oil-break cylinder 16 on total steam outlet pipe, die cylinder 17 and air horn 18.
In this embodiment, the quantity of cylinder 10A is corresponding one by one with the caution index.Carry out respectively each index sign of reporting to the police in cylinder 10A mounting point, when a certain index exceeding standard, pressurized air enters corresponding cylinder 10A, promotes the action of cylinder 10A piston rod and stretches out.Reporting to the police according to the index of the cylinder location that stretches out piston rod 101 identifies, and can judge the warning of which index exceeding standard.
Should be pointed out that warning indicator is not limited by cited example can, so long as utilize the element of compressed air-driven all to can be used as warning indicator.But no matter select which kind of indicator elment, all drop in the protection domain of claim of the present invention.
The above is only the preferred embodiment of the present invention, does not consist of the restriction to protection domain of the present invention.Any any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present invention.
Claims (6)
1. alarm monitor that is used for anti-explosion power machine pneumatic protection system; comprise the altitude valve, delivery temperature control valve, coolant temperature control valve, organism temperature control valve and the engine oil pressure control valve that are connected in parallel; the suction port of above-mentioned each control valve is communicated with source of the gas, it is characterized in that:
The bifurcation road, air outlet of above-mentioned each control valve, a branch road is connected to the diverse location of fault indication device; Another branch road is communicated to total steam outlet pipe via one-way valve, is connected with the oil-break cylinder and the cylinder of dying on total steam outlet pipe;
During arbitrary index exceeding standard in delivery temperature, body surface temperature, cooling water temperature, engine oil pressure, cleaned water tank lowest water level, the suction port of corresponding control valve and air outlet are communicated with, the pressurized air of source of the gas input enters the relevant position of fault indication device, and fault indication device is warned index fault corresponding to this position; Pressurized air also enters oil-break cylinder and the cylinder of dying through one-way valve, makes the shutdown of dying of power engine oil-break.
2. alarm monitor as claimed in claim 1, is characterized in that, also is connected with air horn on described total steam outlet pipe, sends alarm signal when pressurized air enters.
3. alarm monitor as claimed in claim 1, is characterized in that, described fault indication device is the warning indication box, and the warning indication box is provided with and the air outlet of each control valve suction port one to one; When certain suction port of warning indication box enters pressurized air, warn index fault corresponding to this suction port.
4. alarm monitor as claimed in claim 3, is characterized in that, the enterprising gas port of warning indication box is connected with respectively cylinder, and the pressurized air that enters from suction port ejects the piston rod in cylinder, the index fault that the piston rod extended position is corresponding.
5. alarm monitor as claimed in claim 1, is characterized in that, described fault indication device is 5 cylinders, is communicated with the air outlet of each control valve respectively.
6. alarm monitor as claimed in claim 1, is characterized in that, power engine is diesel engine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010557677 CN102477902B (en) | 2010-11-24 | 2010-11-24 | Alarm monitoring device for anti-explosion power machine pneumatic protection system |
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| CN 201010557677 CN102477902B (en) | 2010-11-24 | 2010-11-24 | Alarm monitoring device for anti-explosion power machine pneumatic protection system |
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| CN102477902A CN102477902A (en) | 2012-05-30 |
| CN102477902B true CN102477902B (en) | 2013-06-12 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109707499B (en) * | 2018-12-06 | 2020-12-04 | 连云港天明装备有限公司 | Water level protection device for mining vehicle engine |
| CN109973218B (en) * | 2019-02-26 | 2021-05-14 | 中国煤炭科工集团太原研究院有限公司 | Explosion-proof diesel engine protection system with organic oil detection display device and implementation method thereof |
| CN109882262A (en) * | 2019-03-16 | 2019-06-14 | 连云港天明装备有限公司 | Mining assistant conveyance vehicle engine oil protective device |
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|---|---|---|---|---|
| GB2042437A (en) * | 1979-01-20 | 1980-09-24 | Ganz Mavag Mozdony Vagon | Explosion-proof diesel locomotive |
| CN201209480Y (en) * | 2008-04-18 | 2009-03-18 | 三一重型装备有限公司 | Automatic protection apparatus of anti-explosion diesel engine |
| FR2921619A1 (en) * | 2007-10-02 | 2009-04-03 | Peugeot Citroen Automobiles Sa | Pneumatic control device for motor vehicle, has diagnostic system comprising electrical pressure switches on solenoid valve, where switches are connected to one passage opening and provide error information in case of failure of device |
| CN101825014A (en) * | 2010-04-22 | 2010-09-08 | 吉林长城机械制造有限公司 | Automatic protection device for coal mine explosion-proof diesel locomotive |
| CN201851214U (en) * | 2010-11-24 | 2011-06-01 | 三一重型装备有限公司 | Alarm monitoring device for anti-explosion power machine pneumatic protection system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2840212A1 (en) * | 1977-09-30 | 1979-04-12 | Borletti Spa | DEVICE FOR MONITORING THE READINESS OF OPERATIONAL FUNCTIONS OF MOTOR VEHICLES |
| JPH10104114A (en) * | 1996-09-30 | 1998-04-24 | Nissan Motor Co Ltd | Leakage diagnostic apparatus in processing apparatus for evaporated fuel of engine |
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2010
- 2010-11-24 CN CN 201010557677 patent/CN102477902B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042437A (en) * | 1979-01-20 | 1980-09-24 | Ganz Mavag Mozdony Vagon | Explosion-proof diesel locomotive |
| FR2921619A1 (en) * | 2007-10-02 | 2009-04-03 | Peugeot Citroen Automobiles Sa | Pneumatic control device for motor vehicle, has diagnostic system comprising electrical pressure switches on solenoid valve, where switches are connected to one passage opening and provide error information in case of failure of device |
| CN201209480Y (en) * | 2008-04-18 | 2009-03-18 | 三一重型装备有限公司 | Automatic protection apparatus of anti-explosion diesel engine |
| CN101825014A (en) * | 2010-04-22 | 2010-09-08 | 吉林长城机械制造有限公司 | Automatic protection device for coal mine explosion-proof diesel locomotive |
| CN201851214U (en) * | 2010-11-24 | 2011-06-01 | 三一重型装备有限公司 | Alarm monitoring device for anti-explosion power machine pneumatic protection system |
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| CN102477902A (en) | 2012-05-30 |
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Effective date of registration: 20170103 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, Room 502, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sany Heavy Equipment Co.,Ltd. Address before: Yansai Lake Street 110027 economic and Technological Development Zone Liaoning city Shenyang province No. 31 Patentee before: Sany Heavy Equipment Co.,Ltd. |