CN203670053U - Diesel engine unit oil supplement system - Google Patents
Diesel engine unit oil supplement system Download PDFInfo
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- CN203670053U CN203670053U CN201420043247.7U CN201420043247U CN203670053U CN 203670053 U CN203670053 U CN 203670053U CN 201420043247 U CN201420043247 U CN 201420043247U CN 203670053 U CN203670053 U CN 203670053U
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- 239000013589 supplement Substances 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000002283 diesel fuel Substances 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims description 23
- 239000002828 fuel tank Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 92
- 238000011161 development Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 239000007921 spray Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Abstract
The utility model relates to the field of diesel power generation, in particular to a diesel engine unit oil supplement system comprising a liquid level meter, a controller, a control circuit, an oil supply pump and an oil supply tank. The liquid level meter generates a liquid level signal according to the level of diesel oil in an oil tank of a diesel engine unit. The controller acquires the liquid level signal and transmits a refueling electrical signal or refueling stop electrical signal to the control circuit according to a preset refueling level range. The control circuit controls the oil supply pump to add oil to the oil tank of the diesel engine unit from the oil supply tank according to the refueling electrical signal; or the control circuit controls the oil supply pump to stop adding the oil to the oil tank of the diesel engine unit from the oil supply tank according to the refueling stop electrical signal. The controller acquires the liquid level signal measured by the liquid level meter, the liquid level signal is compared with a preset refueling level in the controller, when the liquid level signal is smaller than or equal to the preset refueling level, the controller controls the oil supply pump to operate and to add the oil to the oil tank of the diesel engine unit from the oil supply tank, and during the process, manual operation is not required; accordingly, refueling efficiency is high, and labor consumption is zero.
Description
Technical field
The utility model relates to diesel generation field, in particular to diesel engine unit oil-supplementing system.
Background technique
Diesel engine unit oil-supplementing system is used to diesel generating set repairing.
Existing diesel engine unit oil-supplementing system, the fuel tank major part of diesel engine unit adopts manually refuels, though there is electric oil charging still still to need the artificial electronic startup oil pump button that goes, refuels, and the efficiency of refueling is lower and need to consume manpower.
Model utility content
The purpose of this utility model is to provide diesel engine unit oil-supplementing system, to solve the above problems.
Diesel engine unit oil-supplementing system is provided in embodiment of the present utility model, has comprised: level meter, controller, control circuit, oil feed pump and oil feeding reservoirs;
Described level meter generates liquid level signal according to the diesel oil liquid level of the fuel tank of described diesel engine unit;
Described controller obtains described liquid level signal, and according to default fill level interval, sends oiling electrical signal or the electrical signal that stops refueling to control circuit;
Described control circuit, according to described oiling electrical signal, is controlled the fuel tank of oil feed pump from described oil feeding reservoirs to described diesel engine unit and is refueled;
Or, described control circuit according to described in stop refueling electrical signal, control the fuel tank that oil feed pump stops from described oil feeding reservoirs to described diesel engine unit and refuel.
Further, in above-mentioned diesel engine unit oil-supplementing system, also comprise: remote monitoring terminal;
Described remote monitoring terminal is electrically connected described controller and described control circuit, for controller described in remote monitoring and described control circuit.
Further, in above-mentioned diesel engine unit oil-supplementing system, described controller is also connected with display module, for the liquid level signal that shows that described controller obtains.
Further, in above-mentioned diesel engine unit oil-supplementing system, described control circuit comprises oiling mode conversion switch 6SA1, automatically controls oiling pattern or manually controls oiling pattern for selecting.
Further, in above-mentioned diesel engine unit oil-supplementing system, described oil feed pump comprises the first oil pump and the second oil pump in parallel, described oiling mode conversion switch 6SA1 comprises: automatically to control the first oil pump and be primary the second oil pump be switch contact for subsequent use, automatically control the second oil pump is that primary the first oil pump is switch contact for subsequent use, and closes automatic control and open the switch contact of manually controlling.
Further, in above-mentioned diesel engine unit oil-supplementing system, described control circuit also comprises: double power supply converting switch QF;
Described oil feed pump and described oiling mode conversion switch 6SA1 all connect outside dual power supply by described double power supply converting switch QF.
Further, in above-mentioned diesel engine unit oil-supplementing system, described control circuit also comprises: two power switch 1QF and 2QF, and two A.C. contactor 1KM and 2KM;
Between the motor of described the first oil pump and described double power supply converting switch, be in series with successively an A.C. contactor 1KM and a power switch 1QF, the coil of described A.C. contactor 1KM is electrically connected described controller;
Between the motor of described the second oil pump and described double power supply converting switch, be in series with successively another A.C. contactor 2KM and another power switch 2QF, the coil of described A.C. contactor 2KM is electrically connected described controller.
Further, in above-mentioned diesel engine unit oil-supplementing system, described control circuit also comprises: two thermorelay 1KH and 2KH;
Between described the first oil pump and described A.C. contactor 1KM, be in series with thermorelay 1KH;
Between described the second oil pump and described A.C. contactor 2KM, be in series with thermorelay 2KH.
The diesel engine unit oil-supplementing system that the utility model embodiment provides, it obtains by controller the liquid level signal that level meter records, and compare with fill level default in controller, in the time that liquid level signal is less than or equal to default fill level, the work of controller control oil feed pump, refuels to the fuel tank of described diesel engine unit, in this course from oil feeding reservoirs, without manual operation, refuel efficiency higher and without consume manpower.
Accompanying drawing explanation
Fig. 1 shows a kind of embodiment's of diesel engine unit oil-supplementing system of the present utility model system architecture schematic diagram;
Fig. 2 shows the schematic diagram of a kind of embodiment's of diesel engine unit oil-supplementing system of the present utility model control circuit.
Embodiment
Adopt manually oiling to have electric oil charging still or need the artificial electronic startup oil pump button that goes though existing diesel power generation unit domestic oil tank is most of, refueling.Cannot accomplish remote monitoring and unmanned, like this cannot be supporting with modernization unmanned diesel generating set, become short slab of diesel generating set, hamper advancing of intelligent diesel generating set.The particularly development of technology of Internet of things instantly, can the degree of generator set development itself, can realize remote monitoring completely, but do into Internet of Things monitoring as the corollary equipment of unit, directly affects quality monitoring.
The application's diesel generating set microcomputer-based intelligent type oil-supplementing system emphasis solves, unit long-time running, and whether repairing automatically, remote monitoring fuel liquid level, effectively get rid of oil machine disorderly closedown, be the under-supply problem of fuel oil.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
A kind of diesel engine unit oil-supplementing system, as shown in Figures 1 and 2, comprising: level meter 101, controller 102, control circuit 103, oil feed pump 104 and oil feeding reservoirs 105; Level meter generates liquid level signal according to the diesel oil liquid level of the fuel tank 106 of diesel engine unit; Controller obtains liquid level signal, and according to default fill level interval, sends oiling electrical signal or the electrical signal that stops refueling to control circuit; Control circuit, according to refueling electrical signal, is controlled the fuel tank of oil feed pump from oil feeding reservoirs to diesel engine unit and is refueled; Or control circuit, according to stopping refueling electrical signal, is controlled oil feed pump and is stopped the fuel tank oiling from oil feeding reservoirs to diesel engine unit.
Level meter wherein can be ultrasonic level gage SFL, gathers the data of domestic oil tank liquid level, and converts 4-20mA signal feed back to controller; Controller can be digital display instrument (NHR-1100), receive the liquid level signal that ultrasound is uploaded, convert digital display liquid level to, self is with standard type modbus485 interface, all parameters can be uploaded to remote monitoring terminal PC by agreement upper, also can upload to telecommunication module SY-RSCM360 by interface and pass to any place that has network docking, the whole world by internet network.This controller also can adopt according to user's request the controller of other model.
Control circuit is wherein located in wall-hanging control box, and this control circuit is not only wanted collection signal, also wants analytic signal, sends signal.The casing of this wall-hanging control box, sheet material is 2mm steel plate, and in course of working, through plastic-blasting, coating is answered adhesion-tight, color is even, without wrinkle, peel off, the bad phenomenon such as spot, drain spray, observe at 1 meter of of distance without obvious aberration and reflective, can not get rusty in a humid environment, Men Bianjia Stamping Steel Ribbon, line is all provided with stuffing box, prevents that dust from entering, and whole casing can be accomplished IP44; Oil feed pump can be explosion-proof gear pump, and oil feeding reservoirs is conventionally also referred to as domestic oil tank, and the fuel tank that this domestic oil tank is diesel generating set provides fuel, the volume size general satisfaction unit running at full capacity of domestic oil tank 8 hours.
The diesel engine unit oil-supplementing system that the utility model embodiment provides, it obtains by controller the liquid level signal that level meter records, and compare with fill level default in controller, in the time that liquid level signal is less than or equal to default fill level, the work of controller control oil feed pump, refuels to the fuel tank of described diesel engine unit, in this course from oil feeding reservoirs, without manual operation, refuel efficiency higher and without consume manpower.
In above-mentioned diesel engine unit oil-supplementing system, also comprise: remote monitoring terminal 107; Remote monitoring terminal electrical connection controller and control circuit, for remote-monitoring controller and control circuit.
By remote monitoring terminal is set, remote-monitoring controller and control circuit, be convenient to controller to carry out telecontrol, and the running state of controller and control circuit carried out to remote monitoring.
In above-mentioned diesel engine unit oil-supplementing system, controller is also connected with display module, the liquid level signal obtaining for display controller.
This controller that is connected with display module can be NHR-1100 for digital display instrument 6A(model).
By display module is set, be convenient to understand current oil level and state of a control from controller.
In above-mentioned diesel engine unit oil-supplementing system, control circuit comprises oiling mode conversion switch 6SA1, automatically controls oiling pattern or manually controls oiling pattern for selecting.
Refuel mode conversion switch 6SA1 by arranging in control circuit, be convenient to oiling pattern to regulate, and make automatically to control oiling pattern or manually control oiling pattern and backup each other, improved stability and the reliability of system.
In above-mentioned diesel engine unit oil-supplementing system, oil feed pump comprises the first oil pump and the second oil pump in parallel, the mode conversion switch 6SA1 of refueling comprises: automatically to control the first oil pump and be primary the second oil pump be switch contact for subsequent use, automatically control the second oil pump is that primary the first oil pump is switch contact for subsequent use, and closes automatic control and open the switch contact of manually controlling.
Wherein the first oil pump is also referred to as 1# oil pump, and the second oil pump is also referred to as 2# oil pump.
It is in parallel with the second oil pump by the first oil pump is set, and the throw over switch that oiling pattern is set comprises that automatic control the first oil pump is that primary the second oil pump is switch contact for subsequent use, automatically to control the second oil pump be that primary the first oil pump is switch contact for subsequent use, the convenient fuel tank oiling to diesel engine unit under automatic control mode, and by the stability that raising system is set and the reliability of two oil pumps.
In above-mentioned diesel engine unit oil-supplementing system, control circuit also comprises: double power supply converting switch QF; Oil feed pump and the mode conversion switch 6SA1 that refuels all connect outside dual power supply by double power supply converting switch QF.
By double power supply converting switch QF is set for control circuit, general power causes double-power source and switches lower end, and in the normal situation of civil power, power supply is civil power like this, and in the time of municipal power failure, generator starts, and at this moment power supply is generator powered, can ensure power supply and introduce.
In above-mentioned diesel engine unit oil-supplementing system, control circuit also comprises: two power switch 1QF and 2QF, and two A.C. contactor 1KM and 2KM; Between the motor of the first oil pump and double power supply converting switch, be in series with successively an A.C. contactor 1KM and a power switch 1QF, the coil electrical connection controller of A.C. contactor 1KM; Between the motor of the second oil pump and double power supply converting switch, be in series with successively another A.C. contactor 2KM and another power switch 2QF, the coil electrical connection controller of A.C. contactor 2KM.
Be 1QF by the power switch of 1# oil pump is set, the power switch of 2# oil pump is 2QF, and uses respectively A.C. contactor 1KM and 2KM according to the start and stop of controlling electrical signal control 1# oil pump or 2# oil pump, improves the controllability of oil pump power supply and start and stop.
In above-mentioned diesel engine unit oil-supplementing system, control circuit also comprises: two thermorelay 1KH and 2KH; Between the first oil pump and A.C. contactor 1KM, be in series with thermorelay 1KH; Between the second oil pump and A.C. contactor 2KM, be in series with thermorelay 2KH.
By thermorelay 1KH being set between the first oil pump and A.C. contactor 1KM; and between the second oil pump and A.C. contactor 2KM, thermorelay 2KH is set; for the power supply of the first oil pump and the second oil pump provides overtemperature protection; improve Security and the reliability of oil pump, thereby improved the Security of diesel engine unit oil-supplementing system and reliability.
The concrete using method of diesel engine unit oil-supplementing system of the present utility model is as follows:
The microcomputer-based intelligent oil-supplementing system of present patent application, take digital display control instrument (controller) as core, possesses analog quantity output signals by reception, through self signal processing, shows the height of oil level.In the time that liquid level is undesired, exportable signal, controls the start and stop of explosion-proof oil pump.The alarm signal of oil level passes to Surveillance center by network (Local Area Network, internet, private network) simultaneously.
Complete equipment except thering is self-starting, adaptive switched, self-operating, certainly drop into and certainly the function such as shutdown; and be furnished with various malfunction alarms and automatic safety device; in addition; it is by RS232 or RS485/RS422 communication interface; connect with host computer; carry out Centralized Monitoring, realize remote control, remote signalling, remote measurement, accomplish unmanned.
Microcomputer auto-control diesel engine unit oil-supplementing system has four part compositions, is respectively domestic oil tank, ultrasonic level gage, wall built-up control box, monitoring PC.For generator set provides the volume of fuel, general volume size meets unit running at full capacity 8 hours.
Ultrasonic level gage gathers the data of domestic oil tank liquid level, and converts 4-20mA signal feed back to digital display instrument.The core that wall-hanging control box wall-hanging control box is whole system, it not only wants collection signal, and analytic signal, sends signal.
6A is digital display instrument, SFL is ultrasonic level gage, M1 and M2 are explosion-proof gear pump, KH is heat protector, KM A.C. contactor, QF is general power input switch, 1QF is the power switch of 1# oil pump, 2QF is the power switch of 2# oil pump, 6SA1 is mode conversion switch, HL is power supply indicator, 1HL is 1# oil pump run indicator, 2HL is 2# oil pump run indicator, 1SB is 1# oil pump stop button, 2SB is 1# pump start button, 3SB is 2# oil pump stop button, 4SB is 2# pump start button, KFL is the status alert dry contact output of 6A.
General power causes double-power source and switches lower end, and in the normal situation of civil power, power supply is civil power like this, and when municipal power failure is engine start, at this moment power supply is generating, can ensure power supply and introduce.In the situation that not needing repairing, power switch QF1QF2QF should be always closed state.
As selector switch 6SA1, to be placed on the main 2# of left position (automatic mode) 1# standby, and in the time that liquid level is low, 6A detects that liquid level is low, sends alarm signal, KFL closure, 1KA obtains electrical contacts closed, and power supply wire size 650 is delivered to 1KM, and 1KM obtains electric closure, M1 oil pump is started working, fill it up with signal when oil mass adds to (operated by rotary motion 80%) 6A output oil when full, KFH disconnects, and 1KA breaker point disconnects, 1KM also disconnects in succession, and M1 stops refueling; When M1 in the middle of work because of overload or short trouble, 1KH can trip protection, 1KT obtains electrical contacts closed, power supply is delivered to 2KM, 2KM make contact, M2 has started work as for subsequent use.
In the time that selector switch 6SA1 places neutral position, be now manual mode, do not have one main one for function, electronic button 2SB, 1KM obtains electric all make contact, and M1 starts working, the bright 1# oil pump that is of 1HL lamp moves indication, crawl 1SB, 1KM power-off, all contacts disconnect, M1 quits work, and M2 work is worked in like manner with M1, and 3SB is that stop button 4SB is start button, due to 1KM and 2KM interlocked relationship, work never so manually close M1 and M2 under auto state simultaneously.
As selector switch 6SA1, to be placed on the main 1# of location right (automatic mode) 2# standby, the identical left position of placing of its working procedure, unique different be that now 2# is that main oil pump 1# is emergency bearing oil pump.
The feature of diesel engine unit oil-supplementing system of the present utility model is as follows:
1. this device can, according to the actual motion requirement of all kinds of special diesel generating sets, carry out Custom Design, makes the utilization that diesel engine can be in unlimited time, thereby has controlled the loss of life and property bringing because having a power failure.
2. adopt manually and operate with automatic two kinds of modes, practicability is very strong, easy to operate.
3. utilize Internet of Things mechanics of communication, can remote monitoring, in unattended situation, also can normally work.
Diesel engine unit oil-supplementing system of the present utility model, can apply to other liquid supply completely and detect above, and usability is wide.
Use the important meaning of diesel engine unit oil-supplementing system of the present utility model:
Along with social development, diesel generating set more shows its significance as standby power supply, such as some countries building hospital, bank, information centre and a digestive system, there is war in a country what is more, under this situation, while if desired providing electric energy, because fuel shortage cannot come into operation, can bring huge loss to country and business unit, it is a kind of inevitable therefore designing and developing automatic oil burning oil-supplementing system.
The development of information age, industrial control industry development is rapid, industrial control system and network communications technology are maked rapid progress, and diesel generating set is as an electrical distribution system part, and the inevitable Internet of Things that also can pass through be monitored, but traditional inching button switch type oil-supplementing system, cannot realize micro computer monitoring, will inevitably be eliminated, I take charge of exploitation microcomputer-based intelligent oil-supplementing system, for these monitoring provide standard port and address, can monitor in real time in any place that has network completely.
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 (8)
1. a diesel engine unit oil-supplementing system, is characterized in that, comprising: level meter, controller, control circuit, oil feed pump and oil feeding reservoirs;
Described level meter generates liquid level signal according to the diesel oil liquid level of the fuel tank of described diesel engine unit;
Described controller obtains described liquid level signal, and according to default fill level interval, sends oiling electrical signal or the electrical signal that stops refueling to control circuit;
Described control circuit, according to described oiling electrical signal, is controlled the fuel tank of oil feed pump from described oil feeding reservoirs to described diesel engine unit and is refueled;
Or, described control circuit according to described in stop refueling electrical signal, control the fuel tank that oil feed pump stops from described oil feeding reservoirs to described diesel engine unit and refuel.
2. diesel engine unit oil-supplementing system according to claim 1, is characterized in that, also comprises: remote monitoring terminal;
Described remote monitoring terminal is electrically connected described controller and described control circuit, for controller described in remote monitoring and described control circuit.
3. diesel engine unit oil-supplementing system according to claim 2, is characterized in that, described controller is also connected with display module, for the liquid level signal that shows that described controller obtains.
4. according to the diesel engine unit oil-supplementing system described in claim 1-3 any one, it is characterized in that, described control circuit comprises oiling mode conversion switch 6SA1, automatically controls oiling pattern or manually controls oiling pattern for selecting.
5. diesel engine unit oil-supplementing system according to claim 4, it is characterized in that, described oil feed pump comprises the first oil pump and the second oil pump in parallel, described oiling mode conversion switch 6SA1 comprises: automatically to control the first oil pump and be primary the second oil pump be switch contact for subsequent use, automatically control the second oil pump is that primary the first oil pump is switch contact for subsequent use, and closes automatic control and open the switch contact of manually controlling.
6. diesel engine unit oil-supplementing system according to claim 5, is characterized in that, described control circuit also comprises: double power supply converting switch QF;
Described oil feed pump and described oiling mode conversion switch 6SA1 all connect outside dual power supply by described double power supply converting switch QF.
7. diesel engine unit oil-supplementing system according to claim 6, is characterized in that, described control circuit also comprises: two power switch 1QF and 2QF, and two A.C. contactor 1KM and 2KM;
Between the motor of described the first oil pump and described double power supply converting switch, be in series with successively an A.C. contactor 1KM and a power switch 1QF, the coil of described A.C. contactor 1KM is electrically connected described controller;
Between the motor of described the second oil pump and described double power supply converting switch, be in series with successively another A.C. contactor 2KM and another power switch 2QF, the coil of described A.C. contactor 2KM is electrically connected described controller.
8. diesel engine unit oil-supplementing system according to claim 7, is characterized in that, described control circuit also comprises: two thermorelay 1KH and 2KH;
Between described the first oil pump and described A.C. contactor 1KM, be in series with thermorelay 1KH;
Between described the second oil pump and described A.C. contactor 2KM, be in series with thermorelay 2KH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043247.7U CN203670053U (en) | 2014-01-23 | 2014-01-23 | Diesel engine unit oil supplement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420043247.7U CN203670053U (en) | 2014-01-23 | 2014-01-23 | Diesel engine unit oil supplement system |
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| Publication Number | Publication Date |
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| CN203670053U true CN203670053U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420043247.7U Expired - Lifetime CN203670053U (en) | 2014-01-23 | 2014-01-23 | Diesel engine unit oil supplement system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744627A (en) * | 2016-12-07 | 2017-05-31 | 国网北京市电力公司 | Refueling device |
| CN112666993A (en) * | 2020-12-31 | 2021-04-16 | 深圳市品鼎科技有限公司 | Automatic oiling control system suitable for liquid |
-
2014
- 2014-01-23 CN CN201420043247.7U patent/CN203670053U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744627A (en) * | 2016-12-07 | 2017-05-31 | 国网北京市电力公司 | Refueling device |
| CN112666993A (en) * | 2020-12-31 | 2021-04-16 | 深圳市品鼎科技有限公司 | Automatic oiling control system suitable for liquid |
| CN112666993B (en) * | 2020-12-31 | 2024-06-18 | 深圳市品鼎科技有限公司 | Automatic oiling control system suitable for liquid |
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| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG SINGFU AEROSPACE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHEJIANG SINGFU MACHINERY ELECTRONIC TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Jinya Zhuang No. 26 building, 310000 Hangzhou City, Zhejiang province Jiefang Road City Room 601 Patentee after: ZHEJIANG HAPPY AEROSPACE SCIENCE AND TECHNOLOGY CO.,LTD. Address before: Jinya Zhuang No. 26 building, 310000 Hangzhou City, Zhejiang province Jiefang Road City Room 601 Patentee before: ZHEJIANG SINGFU MACHINERY ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Address after: 313000 Zhejiang City, Huzhou province dare mountain road, No. 1688 Patentee after: ZHEJIANG HAPPY AEROSPACE SCIENCE AND TECHNOLOGY CO.,LTD. Address before: Jinya Zhuang No. 26 building, 310000 Hangzhou City, Zhejiang province Jiefang Road City Room 601 Patentee before: ZHEJIANG HAPPY AEROSPACE SCIENCE AND TECHNOLOGY CO.,LTD. |
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Granted publication date: 20140625 |