CN110148922A - Wet shot Electrical Control protects system - Google Patents
Wet shot Electrical Control protects system Download PDFInfo
- Publication number
- CN110148922A CN110148922A CN201910296473.3A CN201910296473A CN110148922A CN 110148922 A CN110148922 A CN 110148922A CN 201910296473 A CN201910296473 A CN 201910296473A CN 110148922 A CN110148922 A CN 110148922A
- Authority
- CN
- China
- Prior art keywords
- unit
- controller
- sensor
- electrical control
- wet shot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0822—Integrated protection, motor control centres
Abstract
Wet shot Electrical Control protects system, including the detection unit being sequentially connected electrically, input unit, control unit, export execution unit, the detection unit includes fluid detection sensors, filter core clogging sensor, oil temperature sensor, motor overheating sensor, the input unit includes signal transmission device, the signal that sensor unit in inspection unit checks is transmitted to control unit, described control unit includes controller, controller is connected with man-machine interface, the data that the man-machine interface can be received with real-time display controller, the output execution unit includes that radiator opens/guard's valve, cool dose of pump of speed opens/guard's valve, the oil return path switching switch of filter, the detection unit, input unit, control unit, man-machine interface, output execution unit is respectively connected with power supply unit.
Description
Technical field
The present invention relates to a kind of wet shot Electrical Controls to protect system.
Background technique
Tunnel device in engineering machinery, as the important component of construction link, to the reliability requirement pole of equipment
Height, equipment damage duration caused by engineering construction is huge with expenses, especially wet shot, for unstable crag, not and
When injection excavation face will lead to tunnel cave.
Currently, the safeguard measure under the working condition of tunnel device is inadequate, causes equipment failure rate higher, be also difficult to sometimes
Find the reason of failure causes.
CN 201711164324 discloses a kind of mechanical breakdown monitoring unit, for carrying out mechanical breakdown prison to motor
Control, and export mechanical breakdown monitoring data；Motor protection controller, for carrying out electric fault monitoring, and root to motor
Whether control instruction is exported extremely according to electric fault monitoring data and mechanical breakdown monitoring data, to realize the tripping to motor
Protection.
CN 201810474966 discloses overvoltage protection control system, including voltage detection module, data reference
Module, signal analysis module, overcurrent fusing module, controller, excess temperature fusing module and fusing module；The voltage detection module
For the real-time voltage information in real-time monitoring route and real-time voltage information is transferred to signal analysis module, Database Reference
The normal range value of module storage voltage signal.
But the prior art lacks comprehensive safeguard measure to engineering machinery.When existing wet-spraying machine carries out construction operation, even
What is connect is external power supply, and the use environment of wet-spraying machine determines that the unstable and failure rate of external power supply is higher, often will appear
Under-voltage and over-voltage caused by the dislocation phase of power supply, external voltage fluctuations, in motor work progress, motor thermal overload will also result in electricity
Machine and electric-control system damage.Under unstable external power supply environment, long working be easy to cause motor and electric-control system to damage
It is bad.
Summary of the invention
The technical problem to be solved by the present invention is to overcoming the deficiencies of the prior art and provide a kind of to be the electricity of wet-spraying machine
Machine and electric-control system provide the system of omnibearing protection.
The technical solution used to solve the technical problems of the present invention is that wet shot Electrical Control protects system, including successively it is electrically connected
Detection unit, input unit, the control unit, output execution unit connect, the detection unit includes fluid detection sensors, electricity
Machine overheat sensor, the input unit include signal transmission device, and the signal that inspection unit is detected is transmitted to control unit,
Described control unit includes controller, and controller is connected with man-machine interface, and the man-machine interface can be connect with real-time display controller
The data being subject to, the output execution unit include that the opening of accelerator pump/guard's valve, motor opens/guard's valve, and the detection is singly
Member, input unit, control unit, man-machine interface, output execution unit are respectively connected with power supply unit.
Further, the detection unit further includes filter core clogging sensor and oil temperature sensor.
Further, the corresponding output execution unit of the filter core clogging sensor is filter paths switching switch and filter core
Replacement
Further, the corresponding output execution unit of the oil temperature sensor is that heating/scattered radiator opens/guard's valve.
Further, said supply unit includes motor dislocation circuitry phase or overvoltage/undervoltage circuit.
Further, the controller is equipped with three-level protective system, and the first order protects system are as follows: when the practical electricity of construction power supply
When pressure is more than theoretical value ± 5%, the specifying information of controller recording voltage and time；Protect system in the second level are as follows: when more than theory
When value ± 8%, controller recording voltage specifying information and time simultaneously carry out warning note；The third level protects system are as follows: when more than reason
When by value ± 10%, controller recording voltage specifying information and time simultaneously stop working.
The invention has the following beneficial effects: providing quick and accurate omnibearing protection for wet-spraying machine circuit system, simultaneously
The time that failure occurs is recorded, the troubleshooting in later period is conducive to, to improve the service life of wet-spraying machine and warp that wet-spraying machine uses
Ji property.
Detailed description of the invention
Fig. 1 is the block diagram of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment present invention is further described in detail.
The present invention includes the detection unit being sequentially connected electrically, input unit, control unit, output execution unit, and detection is single
Member includes fluid detection sensors, motor overheating sensor, and input unit includes signal transmission device, and inspection unit is detected
Signal is transmitted to control unit, and control unit includes controller, and controller is connected with man-machine interface, and man-machine interface can be shown in real time
Show the data that controller receives, output execution unit includes that the opening of accelerator pump/guard's valve, motor open/guard's valve, the inspection
It surveys unit, input unit, control unit, man-machine interface, output execution unit and is respectively connected with power supply unit.
Detection unit further includes filter core clogging sensor and oil temperature sensor, and the corresponding output of filter core clogging sensor executes
Unit is filter paths switching switch and filter element replacing；The corresponding output execution unit of oil temperature sensor is heating/radiator
Open/guard's valve.
Power supply unit includes motor dislocation circuitry phase or overvoltage/undervoltage circuit.
Controller is equipped with two class protection system to the protection of temperature and fluid detection, and the first order protects system are as follows: works as construction
When, when actual result that sensor detects is more than first threshold, controller records specifying information and time and alarms；The second level
Protection system are as follows: when the actual result that sensor detects is more than second threshold, controller records specifying information and time simultaneously
It stops working.
In the construction process, motor thermal overload be easy to cause motor and electric-control system to damage to the motor of wet-spraying machine, passes through electricity
Machine overheat sensor detection thermal overload is simultaneously shut down and is recorded, and the failure rate of dynamical system is advantageously reduced.
The cleannes of wet shot machine hydraulic system are very big on the influence of the failure rate in the service life of hydraulic valve, pump and hydraulic system,
Filter core stopping state is detected by filter core clogging sensor, the failure rate of hydraulic system can be greatly lowered.
The oil temperature of wet-spraying machine is very big on the influence of the failure rate in the service life of hydraulic valve, pump and hydraulic system, is passed by oil temperature
Sensor detects temperature anomaly, and the failure of hydraulic system can be greatly lowered.Wet-spraying machine at work, using the hydraulic oil of 46#,
The ideal oil temperature section of plunger pump be 47 DEG C~70 DEG C, oil temperature detection, especially -10 DEG C and hereinafter, construction start rear hydraulic pressure system
System automatic preheating simultaneously records, and avoids highly viscous oil liquid under low-temperature condition that oil pump is caused to be emptied and damage；When oil temperature is higher than 60 DEG C
When, radiator fan is automatically turned on and is recorded；When oil temperature is higher than 80 DEG C of first threshold, alarm and record；When oil temperature is higher than second
At 85 DEG C of threshold value, shuts down and record.
Display screen in man-machine interface is connected with battery voltage sensor, can be provided for the breakdown judge of man-machine interface according to
According to voltage is less than 2.8V, client can be reminded to replace battery with forced shutdown by repeatedly alarming.
In wet-spraying machine, fluid detection sensors detect whether accelerator entrance has fluid to pass through, fluid free when detecting
When time is more than first threshold 15s, controller issues alarm, when the detection fluid free time being more than second threshold 20s, control
Device control accelerator pump stops working, and avoids the dry combustion method of accelerator pump stator from occasioning a delay the duration to client, while can be to avoid easy
The damage for damaging part, causes use cost to increase to client.
Controller is equipped with three-level protective system to the protection of supply voltage, prevents the virtual voltage of construction power supply to fluctuate and causes
The damage of motor and electric-control system when wet-spraying machine is constructed.When the virtual voltage (theoretical power supply 380V) of construction power supply is more than theoretical value
When ± 5%, the specifying information of controller recording voltage and time；When being more than theoretical value ± 8%, controller recording voltage is specifically believed
Breath and time simultaneously carry out warning note；When being more than theoretical value ± 10%, controller recording voltage specifying information and time simultaneously stop
Work；The voltage fluctuation in building site be it is recurrent, generation be all it is a certain instantaneous, sometimes operator can not discover, and pass through
The three-level protective being equipped with can effectively protect electric-control system.
Those skilled in the art can carry out various modifications to the present invention and modification, if these modifications and variations are at this
Within the scope of invention claim and its equivalent technologies, then these modifications and variations also still the protection scope of this patent it
It is interior.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (7)
1. wet shot Electrical Control protects system, which is characterized in that single including the detection unit that is sequentially connected electrically, input unit, control
Member, output execution unit, the detection unit includes fluid detection sensors, motor overheating sensor, the input unit packet
Signal transmission device is included, the signal that inspection unit is detected is transmitted to control unit, and described control unit includes controller, control
Device is connected with man-machine interface, the data that the man-machine interface can be received with real-time display controller, the output execution unit
Opening including accelerator pump/guard's valve, motor opens/guard's valve, the detection unit, input unit, control unit, man-machine boundary
Face, output execution unit are respectively connected with power supply unit.
2. wet shot Electrical Control according to claim 1 protects system, which is characterized in that the detection unit further includes filter core
Clogging sensor and oil temperature sensor.
3. wet shot Electrical Control according to claim 2 protects system, which is characterized in that the filter core clogging sensor is corresponding
Output execution unit be filter paths switching switch and filter element replacing.
4. wet shot Electrical Control according to claim 2 protects system, which is characterized in that the oil temperature sensor is corresponding defeated
Execution unit is that heating/radiator opens/guard's valve out.
5. wet shot Electrical Control described according to claim 1~one of 4 protects system, which is characterized in that said supply unit packet
Include motor dislocation circuitry phase or overvoltage/undervoltage circuit.
6. wet shot Electrical Control described according to claim 1~one of 4 protects system, which is characterized in that the controller is to temperature
The protection of degree and fluid detection is equipped with two class protection system, and the first order protects system are as follows: when construction, reality that sensor detects
When border result is more than first threshold, controller records specifying information and time and alarms；Protect system in the second level are as follows: work as sensor
When the actual result detected is more than second threshold, controller records specifying information and time and stops working.
7. wet shot Electrical Control described according to claim 1~one of 4 protects system, which is characterized in that the controller is to electricity
The protection of source voltage is equipped with three-level protective system, when the virtual voltage of construction power supply is more than theoretical value ± 5%, controller record
The specifying information of voltage and time；When being more than theoretical value ± 8%, controller recording voltage specifying information and time are simultaneously reported
Alert prompt；When being more than theoretical value ± 10%, controller recording voltage specifying information and time simultaneously stop working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296473.3A CN110148922A (en) | 2019-04-13 | 2019-04-13 | Wet shot Electrical Control protects system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910296473.3A CN110148922A (en) | 2019-04-13 | 2019-04-13 | Wet shot Electrical Control protects system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110148922A true CN110148922A (en) | 2019-08-20 |
Family
ID=67589713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910296473.3A Pending CN110148922A (en) | 2019-04-13 | 2019-04-13 | Wet shot Electrical Control protects system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110148922A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110285339A1 (en) * | 2010-05-19 | 2011-11-24 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Heat removal from motor components |
| CN203233142U (en) * | 2013-03-19 | 2013-10-09 | 中国石油化工股份有限公司 | Motor temperature control protection system |
| CN103744344A (en) * | 2014-01-24 | 2014-04-23 | 湖南五新重型装备有限公司 | Two-motor drive control system of concrete spraying vehicle |
| CN104653443A (en) * | 2015-01-20 | 2015-05-27 | 湖南五新重型装备有限公司 | Accelerating agent pump protection device and vehicle-mounted type wet spraying machine |
| CN104847378A (en) * | 2014-10-14 | 2015-08-19 | 湖南五新重型装备有限公司 | Control system of vehicle-mounted type concrete wet spraying car |
| CN108448533A (en) * | 2018-03-29 | 2018-08-24 | 河南首翔电子有限公司 | Overvoltage alarm and overpressure protection circuit |
-
2019
- 2019-04-13 CN CN201910296473.3A patent/CN110148922A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110285339A1 (en) * | 2010-05-19 | 2011-11-24 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Heat removal from motor components |
| CN203233142U (en) * | 2013-03-19 | 2013-10-09 | 中国石油化工股份有限公司 | Motor temperature control protection system |
| CN103744344A (en) * | 2014-01-24 | 2014-04-23 | 湖南五新重型装备有限公司 | Two-motor drive control system of concrete spraying vehicle |
| CN104847378A (en) * | 2014-10-14 | 2015-08-19 | 湖南五新重型装备有限公司 | Control system of vehicle-mounted type concrete wet spraying car |
| CN104653443A (en) * | 2015-01-20 | 2015-05-27 | 湖南五新重型装备有限公司 | Accelerating agent pump protection device and vehicle-mounted type wet spraying machine |
| CN108448533A (en) * | 2018-03-29 | 2018-08-24 | 河南首翔电子有限公司 | Overvoltage alarm and overpressure protection circuit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190820 |