CN102230488A - Sewage discharge device for hydraulic system - Google Patents
Sewage discharge device for hydraulic system Download PDFInfo
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- CN102230488A CN102230488A CN 201110116734 CN201110116734A CN102230488A CN 102230488 A CN102230488 A CN 102230488A CN 201110116734 CN201110116734 CN 201110116734 CN 201110116734 A CN201110116734 A CN 201110116734A CN 102230488 A CN102230488 A CN 102230488A
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Abstract
The invention relates to the technical field of hydraulic oil purification and disposal and discloses a sewage discharge device for a hydraulic system. The sewage discharge device for the hydraulic system comprises a controller and at least one probing electrode, wherein the probing electrode is arranged in hydraulic oil on the bottom of a hydraulic oil tank; the electric signal output end of the probing electrode is connected with the electric signal receiving end of the controller; the probing electrode is used for detecting an electric signal of the hydraulic oil on the bottom of the hydraulic oil tank; the controller is used for receiving the electric signal and comparing the electric signal with a preset value; if the electric signal is more than the preset value, the controller sends a sewage discharge signal; and the hydraulic oil containing moisture and impurities on the bottom of the hydraulic oil tank is discharged. According to the sewage discharge device for the hydraulic system, moisture and impurities in the hydraulic oil tank can be accurately discharged in time.
Description
Technical field
The present invention relates to hydraulic oil purification treatment technology field, relate in particular to a kind of hydraulic system drainage device of can be in time, exactly the moisture in the hydraulic oil container, impurity being discharged.
Background technique
Hydraulic work system can produce aqueous vapor because of the hydraulic oil cooling after a period of time; The impurity that impurity in hydraulic tubing, hydraulic pressure components and parts impact and the wearing and tearing of hydraulic pressure components and parts are produced is usually along with hydraulic oil arrives in the hydraulic oil container by systemic circulation.The density of moisture and the impurity all density than hydraulic oil is big; moisture and impurity can accumulate in the bottom of hydraulic oil container usually; if the moisture in the hydraulic oil container, impurity are not in time discharged; when hydraulic system is worked once more; moisture and impurity may enter oil hydraulic circuit once more, and hydraulic system is caused damage.
For moisture, impurity are discharged from hydraulic oil container, some drainage device have appearred in the prior art, below simply introduce wherein a kind of.
Please referring to Fig. 1, Fig. 1 is the structural representation of a kind of hydraulic system drainage device in the prior art.
As shown in Figure 1, hydraulic oil container 1 ' carries oil returning tube 11 ' and flowline 19 ', be provided with electric heater 18 ' in the hydraulic oil container 1 ', the top of hydraulic oil container 1 ' is provided with the mouth 15 ' of bleeding, moisture separator 16 ', vacuum pump 17 ', and the bottom of hydraulic oil container 1 ' is provided with ball valve 13 ', dirt collecting tank 12 ' and blowdown valve 14 '.
By electric heater 18 ' hydraulic oil is heated, make that the water evaporation in the hydraulic oil forms aqueous vapor, aqueous vapor can be discharged hydraulic oil container 1 ' by the mouth 15 ' of bleeding, moisture separator 16 ', vacuum pump 17 '; Regularly open blowdown valve 14 ', discharge the moisture and the impurity of hydraulic oil container 1 ' bottom.
The hydraulic system drainage device of this structure, the staff can't judge whether hydraulic oil container 1 ' bottom contains moisture and impurity, usually adopt the mode of regularly opening blowdown valve 14 ' to carry out blowdown, if 1 ' portion does not have moisture and impurity at the bottom of the hydraulic oil container, with regard to the normal hydraulic oil of discharge section, cause the waste of hydraulic oil; If hydraulic oil container 1 ' contains moisture and impurity, fail in time these moisture that are harmful to and impurity to be discharged, when hydraulic system is worked once more, moisture and impurity may enter oil hydraulic circuit once more, and hydraulic system is caused damage.
Therefore, how to develop a kind of hydraulic system drainage device of can be in time, exactly the moisture in the hydraulic oil container, impurity being discharged, become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
The purpose of this invention is to provide a kind of hydraulic system drainage device, this hydraulic system drainage device can be in time, exactly the moisture in the hydraulic oil container, impurity are discharged.
To achieve these goals, the invention provides a kind of hydraulic system drainage device, comprise controller, be no less than one rapier, described rapier is located in the hydraulic oil of hydraulic oil container bottom, and the electrical signal of described rapier is connected with the electrical signal receiving terminal of controller;
Described rapier is used to detect the electrical signal of the hydraulic oil of hydraulic oil container bottom; Described controller receives described electrical signal, and described electrical signal and predefined value are compared, and greater than predefined value, then described controller sends the blowdown signal as if described electrical signal, discharges the hydraulic oil that moisture and impurity are contained in the hydraulic oil container bottom.
Preferably, also comprise switch valve, described blowdown signal is a control signal of opening described switch valve.
Preferably, described switch valve is the unidirectional electrical magnet valve.
Preferably, the bottom of described hydraulic oil container is provided with the dirt collecting tank that is communicated with this hydraulic oil container, and described switch valve is located on the pipeline between described dirt collecting tank and the described hydraulic oil container.
Preferably, described rapier is located on the described switch valve.
Preferably, the oil outlet place of described dirt collecting tank is provided with blowdown valve.
Preferably, described rapier is located on the described blowdown valve.
Preferably, also comprise signal adapter, the electrical signal of described rapier is connected with the electrical signal of signal adapter, and the electrical signal of described signal adapter is connected with the electrical signal receiving terminal of described controller.
Preferably, described rapier comprises rapier, following rapier, and the described rapier, described rapier down gone up is arranged side by side bottom in described hydraulic oil container at vertical direction; Described when going up electrical signal that rapier detected, electrical signal that described rapier is down detected all greater than predefined value, described controller sends the blowdown signal.
Preferably, described blowdown signal is the blowdown alarm signal.
Hydraulic system drainage device provided by the invention comprises controller, is no less than one rapier, rapier is located in the hydraulic oil of hydraulic oil container bottom, rapier is used to detect the electrical signal of the hydraulic oil of hydraulic oil container bottom, controller receives this electrical signal, and this electrical signal and predefined value compared, if electrical signal is greater than predefined value, controller then sends the blowdown signal, discharges the hydraulic oil that moisture and impurity are contained in the hydraulic oil container bottom.
The hydraulic system drainage device of this structure detects whether contain moisture and impurity in the hydraulic oil by rapier, because the poor conductor that normal hydraulic oil is electricity, the electrical signal that rapier sent is less; Moisture is the weak conductor of electricity, impurity is the good conductor of electricity, contain the weak conductor of the hydraulic oil of moisture and impurity for electricity, therefore, this moment, electrical signal that rapier produced was than big many of the detection electrical signal that normal hydraulic oil produced, and can judge whether contain moisture and impurity in the hydraulic oil by the size of judging the electrical signal that rapier produces.
When containing moisture and impurity in the hydraulic oil; controller sends the blowdown signal; the hydraulic oil that can in time hydraulic oil fuel tank bottom be contained moisture and impurity is discharged; neither can cause the waste of normal hydraulic oil; can not make that again moisture and impurity will enter oil hydraulic circuit once more, can effectively protect hydraulic system.
Description of drawings
Fig. 1 is the structural representation of a kind of hydraulic system drainage device in the prior art;
Fig. 2 is the working principle schematic representation of a kind of embodiment of hydraulic system drainage device provided by the present invention;
Fig. 3 is the structural representation that the position is set of hydraulic system drainage device rapier among Fig. 2;
Wherein, among Fig. 1-Fig. 3:
Hydraulic oil container 1 ', oil returning tube 11 ', dirt collecting tank 12 ', ball valve 13 ', blowdown valve 14 ', the mouth 15 ' of bleeding, moisture separator 16 ', vacuum pump 17 ', electric heater 18 ', flowline 19 ';
Embodiment
In order to make those skilled in the art better understand technological scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 3, Fig. 2 is the working principle schematic representation of a kind of embodiment of hydraulic system drainage device provided by the present invention; Fig. 3 is the structural representation that the position is set of hydraulic system drainage device rapier among Fig. 2.
As Fig. 2, shown in Figure 3, hydraulic system drainage device provided by the invention comprises that controller 4, quantity are no less than one rapier, described rapier is located in the hydraulic oil of hydraulic oil container 1 bottom, and the electrical signal of described rapier is connected with the electrical signal receiving terminal of controller 4.
Rapier is used to detect the electrical signal of the hydraulic oil of hydraulic oil container 1 bottom, this electrical signal can be current signal or voltage signal, controller 4 is used to receive described electrical signal, and described electrical signal and predefined value compared, if electrical signal is greater than predefined value, controller 4 sends the blowdown signal, discharges the hydraulic oil that moisture and impurity are contained in hydraulic oil container 1 bottom.
The hydraulic system drainage device of this structure detects whether contain moisture and impurity in the hydraulic oil by rapier, because the poor conductor that normal hydraulic oil is electricity, the electrical signal that rapier sent is less; Moisture is the weak conductor of electricity, impurity is the good conductor of electricity, contain the weak conductor of the hydraulic oil of moisture and impurity for electricity, therefore, this moment, electrical signal that rapier produced was than big many of the detection electrical signal that normal hydraulic oil produced, and can judge whether contain moisture and impurity in the hydraulic oil by the size of judging the electrical signal that rapier produces.
When containing moisture and impurity in the hydraulic oil; controller 4 sends the blowdown signal; the hydraulic oil that can in time hydraulic oil fuel tank bottom be contained moisture and impurity is discharged; neither can cause the waste of normal hydraulic oil; can not make that again moisture and impurity will enter oil hydraulic circuit once more, can effectively protect hydraulic system.
In the concrete scheme, the bottom of hydraulic oil container 1 can be provided with the drain outlet, and rapier can be arranged in this drain outlet.
In the concrete scheme, can also comprise switch valve, switch valve can be located at the bottom of hydraulic oil container 1, opens switch valve and the hydraulic oil of hydraulic oil container 1 bottom can be discharged; The blowdown signal that controller 4 sends can be for opening the control signal of switch valve, the electrical signal that sends when rapier is during greater than predefined value, controller 4 sends control signal to switch valve, and switch valve will be opened, and the hydraulic oil that moisture and impurity are contained in hydraulic oil container 1 bottom is discharged from switch valve.
In the preferred version, switch valve can be unidirectional electrical magnet valve 3, and controller 4 can be by the open and close that dead electricity is controlled unidirectional electrical magnet valve 3 that gets of control unidirectional electrical magnet valve 3.
In the concrete scheme, the bottom of hydraulic oil container 1 can be provided with the dirt collecting tank 6 that is communicated with hydraulic oil container 1, this dirt collecting tank 6 can be communicated with described hydraulic oil container 1 by described drain outlet, switch valve can be arranged on the pipeline between dirt collecting tank 6 and the hydraulic oil container 1, and promptly switch valve can be arranged on the blowoff line between dirt collecting tank 6 and the hydraulic oil container 1.
In the preferred version, rapier can be arranged on the switch valve, and rapier can detect in the hydraulic oil of hydraulic oil container 1 bottom whether contain moisture and impurity more exactly.
In the preferred version, also can be provided with signal adapter 5 between rapier and the controller 4, the electrical signal of rapier is connected with the electrical signal receiving terminal of signal adapter 5, and the electrical signal of signal adapter 5 is connected with the electrical signal receiving terminal of controller 4.The analog signal conversion that signal adapter 5 can send rapier is a digital signal, can be more accurately, transmission of electric signals stably.
In the preferred version, rapier comprises rapier 21, following rapier 22, last rapier 21, down rapier 22 is located at the bottom of hydraulic oil container 1 side by side at vertical direction, and the electrical signal that last rapier 21 detected, time rapier 22 detected electrical signal are during all greater than predefined value, and controller 4 will send the blowdown signal.Have only last rapier 21, when down the electrical signal that detected of rapier 22 is all greater than predefined value, controller 4 just sends control signal to unidirectional electrical magnet valve 3, control unidirectional electrical magnet valve 3 is opened, the hydraulic oil that hydraulic oil container 1 bottom is contained moisture and impurity is discharged.
If last rapier 21 detected electrical signal are less than predefined value, down rapier 22 detected electrical signal are greater than predefined value; can whether need blowdown by artificial judgment; can provide the blowdown signal if desired; after unidirectional electrical magnet valve 3 obtains signal; open unidirectional electrical magnet valve 3 to dirt collecting tank 6 blowdowns; help protecting unidirectional electrical magnet valve 3 and controller 4 like this, prevent to lose efficacy because of frequent movement causes components and parts.
In the preferred version, the oil outlet place of dirt collecting tank 6 also can be provided with blowdown valve, by the hydraulic oil that contains moisture and impurity in the dirt collecting tank 6 can being discharged of blowdown valve.
In the more excellent scheme, rapier can be arranged on the blowdown valve, hydraulic oil in the hydraulic oil container 1 enters in the dirt collecting tank 6, whether contain moisture and impurity by the hydraulic oil that detects in the dirt collecting tank 6, and then whether the hydraulic oil of judging hydraulic oil container 1 inner bottom part contain moisture and impurity, and this scheme can be provided with rapier comparatively easily.
In the foregoing description, the blowdown signal that controller 4 sends can also be the blowdown alarm signal, when the detected electrical signal of rapier during greater than predefined value, controller 4 sends the blowdown alarm signal, after the staff hears this alarm signal, but the manual unlocking switch valve, this scheme can be saved unidirectional electrical magnet valve 3.
The hydraulic system drainage device that the foregoing description provided, adopt two rapiers that are arranged side by side at vertical direction, the present invention is not limited thereto, can also adopt one or more rapiers, rapier can be provided with fuel tank bottom sides position, when hydraulic system is not worked, also rapier can be arranged on moisture and the easy position of precipitating of impurity in the hydraulic oil container 1.
The above only is the description of the preferred implementation of invention; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. hydraulic system drainage device, it is characterized in that, comprise controller (4), be no less than one rapier, described rapier is located in the hydraulic oil of hydraulic oil container (1) bottom, and the electrical signal of described rapier is connected with the electrical signal receiving terminal of described controller (4);
Described rapier is used to detect the electrical signal of the hydraulic oil of hydraulic oil container (1) bottom; Described controller (4) receives described electrical signal, and described electrical signal and predefined value are compared, and greater than predefined value, then described controller (4) sends the blowdown signal as if described electrical signal, discharges the hydraulic oil that moisture and impurity are contained in hydraulic oil container (1) bottom.
2. hydraulic system drainage device according to claim 1 is characterized in that, also comprises switch valve, and described blowdown signal is a control signal of opening described switch valve.
3. hydraulic system drainage device according to claim 2 is characterized in that, described switch valve is unidirectional electrical magnet valve (3).
4. hydraulic system drainage device according to claim 2, it is characterized in that, the bottom of described hydraulic oil container (1) is provided with the dirt collecting tank (6) that is communicated with this hydraulic oil container (1), and described switch valve is located on the pipeline between described dirt collecting tank (6) and the described hydraulic oil container (1).
5. according to each described hydraulic system drainage device of claim 2-4, it is characterized in that described rapier is located on the described switch valve.
6. hydraulic system drainage device according to claim 4 is characterized in that, the oil outlet place of described dirt collecting tank (6) is provided with blowdown valve.
7. hydraulic system drainage device according to claim 6 is characterized in that described rapier is located on the described blowdown valve.
8. hydraulic system drainage device according to claim 1, it is characterized in that, also comprise signal adapter (5), the electrical signal of described rapier is connected with the electrical signal receiving terminal of signal adapter (5), and the electrical signal of described signal adapter (5) is connected with the electrical signal receiving terminal of described controller (4).
9. hydraulic system drainage device according to claim 1, it is characterized in that, described rapier comprises rapier (21), following rapier (22), and described upward rapier (21), described rapier (22) down are arranged side by side in the bottom of described hydraulic oil container (1) at vertical direction; Described when going up electrical signal that rapier (21) detected, electrical signal that described rapier (22) is down detected all greater than predefined value, described controller (4) sends the blowdown signal.
10. hydraulic system drainage device according to claim 1 is characterized in that, described blowdown signal is the blowdown alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110116734 CN102230488A (en) | 2011-05-06 | 2011-05-06 | Sewage discharge device for hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110116734 CN102230488A (en) | 2011-05-06 | 2011-05-06 | Sewage discharge device for hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN102230488A true CN102230488A (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110116734 Pending CN102230488A (en) | 2011-05-06 | 2011-05-06 | Sewage discharge device for hydraulic system |
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| Country | Link |
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| CN (1) | CN102230488A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001006051A1 (en) * | 1999-07-14 | 2001-01-25 | Greenearth Cleaning, Llc | System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning |
| US20020043976A1 (en) * | 1999-12-17 | 2002-04-18 | Holladay John Scott | Modular electromagnetic sensing apparatus |
| US20030196277A1 (en) * | 2002-04-22 | 2003-10-23 | General Electric Company | Apparatus and method for article cleaning |
| US20050126606A1 (en) * | 2003-12-11 | 2005-06-16 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Solvent cleaning process |
| CA2547470A1 (en) * | 2006-05-18 | 2007-11-18 | Donald Mckenzie | Filling sensor for a holding tank |
| CN101328917A (en) * | 2008-06-13 | 2008-12-24 | 宁波保税区天扬机械电子科技有限公司 | System and method for on-line monitoring hydraulic oil and lubricant oil conditions |
| US20090278699A1 (en) * | 2008-05-12 | 2009-11-12 | John Vander Horst | Recreational vehicle holding tank sensor probe |
| CN202031924U (en) * | 2011-05-06 | 2011-11-09 | 三一重工股份有限公司 | Blow-off device for hydraulic system |
-
2011
- 2011-05-06 CN CN 201110116734 patent/CN102230488A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001006051A1 (en) * | 1999-07-14 | 2001-01-25 | Greenearth Cleaning, Llc | System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning |
| US20020043976A1 (en) * | 1999-12-17 | 2002-04-18 | Holladay John Scott | Modular electromagnetic sensing apparatus |
| US20030196277A1 (en) * | 2002-04-22 | 2003-10-23 | General Electric Company | Apparatus and method for article cleaning |
| US20050126606A1 (en) * | 2003-12-11 | 2005-06-16 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Solvent cleaning process |
| CA2547470A1 (en) * | 2006-05-18 | 2007-11-18 | Donald Mckenzie | Filling sensor for a holding tank |
| US20090278699A1 (en) * | 2008-05-12 | 2009-11-12 | John Vander Horst | Recreational vehicle holding tank sensor probe |
| CN101328917A (en) * | 2008-06-13 | 2008-12-24 | 宁波保税区天扬机械电子科技有限公司 | System and method for on-line monitoring hydraulic oil and lubricant oil conditions |
| CN202031924U (en) * | 2011-05-06 | 2011-11-09 | 三一重工股份有限公司 | Blow-off device for hydraulic system |
Non-Patent Citations (2)
| Title |
|---|
| 《煤炭工程》 20110331 庞政铎等 重载齿轮油污染度传感器的研发 , 第03期 * |
| 《矿山机械》 20000710 涂群章等 液压(或润滑)油液污染度在线监测的发展现状 , 第07期 * |
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Application publication date: 20111102 |