CN202628288U - Engine rotational speed signal converting device and engineering machine - Google Patents
Engine rotational speed signal converting device and engineering machine Download PDFInfo
- Publication number
- CN202628288U CN202628288U CN 201220304866 CN201220304866U CN202628288U CN 202628288 U CN202628288 U CN 202628288U CN 201220304866 CN201220304866 CN 201220304866 CN 201220304866 U CN201220304866 U CN 201220304866U CN 202628288 U CN202628288 U CN 202628288U
- Authority
- CN
- China
- Prior art keywords
- rotational speed
- signal
- tach signal
- engine rotational
- electric
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Operation Control Of Excavators (AREA)
Abstract
The utility model discloses an engine rotational speed converting device which comprises a rotational speed signal plate, a rotational speed sensor and a rotational speed signal processor. The rotational speed signal plate is mounted on an electronic-control engine, the rotational speed sensor is mounted on a rotational speed detecting device of the rotational speed signal plate, and a signal output end of the rotational speed sensor is connected to a signal input end of the rotational speed signal processor. By the engine rotational speed signal converting device, rotational speed signals of the electronic-control engine can be converted into signals identifiable by an integral vehicle controller, and the technical problem that the electronic-control engine is incompatible to a signal interface of an original integral vehicle control system in a process of replacing an engine with a mechanical pump by the electronic-control engine can be effectively solved. The utility model further discloses an engineering machine comprising the engine rotational speed signal converting device.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly the engine rotational speed signal reforming unit of engineering machinery.The utility model also relates to the engineering machinery that is provided with said reforming unit.
Background technique
Along with the day of the energy is becoming tight, fuel price is increasingly high in recent years, and environmental problem receives people's attention gradually simultaneously, and corresponding Abgasgesetz is more and more stricter, and energy-saving and emission-reduction become trend of the times.For engineering machinery, what carrying out at present is non-road state two-stage emission standard, and along with the propelling of time, agenda is also progressively mentioned in the enforcement of non-road state three stages emission standard.
At present; The motor of domestic excavator coupling is mainly the mechanical pump motor, and it is simple in structure, with low content of technology, oil consumption is high, seriously polluted to environment, can't satisfy the requirement of non-road state three stages Abgasgesetz; And electric-control motor can accurately be controlled parameters such as fuel injection quantity, injection time, oil spout number of times, fuel supply advance angle; Reduce oil consumption, fuel oil is fully burnt reduce discharging, will substitute the main dynamics equipment that the mechanical pump motor becomes excavator of future generation.
The excavator whole-control system needs the identification of Engine tach signal could realize various functions, proper functioning, and electric-control motor is when proper functioning; Engine controller need be gathered the working state that tach signal is judged motor; Control various engine parameters, the mechanical pump motor does not then need, and two kinds of motors are different to the requirement of excavator whole-control system; If design whole-control system again, will drop into great amount of time, man power and material.
Therefore, under the prerequisite that does not change the complete machine control system, need to solve the problem that controller for excavators can't be discerned the electric-control motor tach signal.
The model utility content
First purpose of the utility model provides a kind of engine rotational speed signal reforming unit.This device can be converted into the tach signal of electric-control motor entire car controller can identified signal, can effectively solve electric-control motor and replace in the mechanical pump engine process, electric-control motor and the incompatible technical problem of former whole-control system signaling interface.
Second purpose of the utility model provides a kind of engineering machinery that is provided with said signal reforming unit.
In order to realize above-mentioned first purpose, the utility model provides a kind of engine rotational speed signal reforming unit, comprises tach signal dish, speed probe and tach signal processor; Said tach signal dish is installed on electric-control motor; Said speed probe is installed on the rotating speed detection position of said tach signal dish, and its signal output part is connected in the signal input part of said tach signal processor.
Preferably, said tach signal dish is a gear disk, and its circumferential distribution has plurality of teeth portion.
Preferably, said tach signal dish is installed on the bent axle of said electric-control motor, the proportional relation of the rotating speed of its rotating speed and said electric-control motor.
Preferably, said speed probe is fixed on the support, and its test end is perpendicular to said tach signal dish and corresponding with said tooth portion.
For realizing above-mentioned second purpose; The utility model provides a kind of engineering machinery; Comprise motor and entire car controller; Said motor is an electric-control motor, further comprises above-mentioned each described engine rotational speed signal reforming unit, and the signal output part of the tach signal processor of this device is connected in said entire car controller.
Preferably, said speed probe is installed on engine compartment, and said tach signal processor and entire car controller are installed on operator cabin.
Preferably, be specially excavator.
The engine rotational speed signal reforming unit that the utility model provides; Comprise tach signal dish, speed probe and tach signal processor; The module that adopts tach signal dish and tach signal processor to form is carried out interface and is connected, and has solved electric-control motor and the incompatible technical problem of former whole-control system signaling interface, under the prerequisite of not changing former vehicle control; Electric-control motor can change the outfit; Make electric-control motor replace more simple that mechanical pump engine becomes, have rational in infrastructure, cost is low, the control accuracy advantages of higher, for engineering machinery coupling electric-control motor provides reliable guidance.
The engineering machinery that the utility model provides is provided with said engine rotational speed signal reforming unit; Because said engine rotational speed signal reforming unit has above-mentioned technique effect, the engineering machinery that is provided with this engine rotational speed signal reforming unit also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 provides the structured flowchart of a kind of embodiment of engine rotational speed signal reforming unit for the utility model.
Among the figure:
1. electric-control motor 2. tach signal dishes 3. speed probes 4. tach signal processors 5. controller for excavators
Embodiment
The core of the utility model provides a kind of engine rotational speed signal reforming unit.This device can be converted into the tach signal of electric-control motor entire car controller can identified signal, can effectively solve electric-control motor and replace in the mechanical pump engine process, electric-control motor and the incompatible technical problem of former whole-control system signaling interface.
Another core of the utility model provides a kind of engineering machinery that is provided with said engine rotational speed signal reforming unit.
In order to make those skilled in the art person understand the utility model scheme better, be example below with the excavator, in conjunction with accompanying drawing and embodiment the utility model is done further to specify.
Please refer to Fig. 1, Fig. 1 provides the structured flowchart of a kind of embodiment of engine rotational speed signal reforming unit for the utility model.
In a kind of embodiment, the engine rotational speed signal reforming unit that the utility model provided mainly is made up of tach signal dish 2, speed probe 3 and tach signal processor 4.
Particularly, speed probe 3 is fixed on the support, and its test end is perpendicular to tach signal dish 2 and corresponding with its tooth portion.
Tach signal processor 4 is installed in the excavator operator cabin, and being mainly used in the signal processing that speed probe 3 is sent is the pulse signal that controller for excavators 5 can be discerned.
Controller for excavators 5 is installed in the excavator operator cabin; According to the mode of operation of selecting (S) with the gear of working; Confirm the working state of motor through collecting tach signal; For excavator sends correct work order, the signal output part of tach signal processor 4 is connected in controller for excavators 5.
Its working principle is following:
The module that this device adopts tach signal dish 2 and tach signal processor 4 to form is carried out interface and is connected; Electric-control motor 1 and the incompatible technical problem of former whole-control system signaling interface have been solved; Under the prerequisite of not changing former vehicle control, the electric-control motor that can change the outfit makes electric-control motor replace more simple that mechanical pump engine becomes; Have rational in infrastructure, cost is low, the control accuracy advantages of higher, for engineering machinery coupling electric-control motor provides reliable guidance.
Above-mentioned engine rotational speed signal reforming unit only is a kind of preferred version, specifically is not limited thereto, and can make pointed adjustment according to actual needs on this basis, thereby obtain different embodiment.Because mode in the cards is more, just illustrate no longer one by one here.
Since have rational in infrastructure, cost is low, the control accuracy advantages of higher, therefore can be widely used in the electric-control motor be in the excavator power system that mainly disposes to above-mentioned engine rotational speed signal reforming unit.
Except above-mentioned engine rotational speed signal reforming unit; The utility model also provides a kind of engineering machinery; Comprise motor and entire car controller; Said motor is an electric-control motor, further comprises engine rotational speed signal reforming unit mentioned above, and the signal output part of the tach signal processor of this device is connected in entire car controller.
Particularly, said engineering machinery is an excavator, and all the other structures please refer to existing technology, and this paper repeats no more.
More than engine rotational speed signal reforming unit and engineering machinery that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the mode of execution of the utility model are set forth, above embodiment's explanation just is used to help to understand the core concept of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (7)
1. an engine rotational speed signal reforming unit is characterized in that, comprises tach signal dish, speed probe and tach signal processor; Said tach signal dish is installed on electric-control motor; Said speed probe is installed on the rotating speed detection position of said tach signal dish, and its signal output part is connected in the signal input part of said tach signal processor.
2. engine rotational speed signal reforming unit according to claim 1 is characterized in that, said tach signal dish is a gear disk, and its circumferential distribution has plurality of teeth portion.
3. engine rotational speed signal reforming unit according to claim 2 is characterized in that, said tach signal dish is installed on the bent axle of said electric-control motor, the proportional relation of the rotating speed of its rotating speed and said electric-control motor.
4. according to claim 2 or 3 described engine rotational speed signal reforming units, it is characterized in that said speed probe is fixed on the support, its test end is perpendicular to said tach signal dish and corresponding with said tooth portion.
5. engineering machinery; Comprise motor and entire car controller; Said motor is an electric-control motor; It is characterized in that further comprise aforesaid right requirement 1 to 4 each described engine rotational speed signal reforming unit, the signal output part of the tach signal processor of this device is connected in said entire car controller.
6. engineering machinery according to claim 5 is characterized in that said speed probe is installed on engine compartment, and said tach signal processor and entire car controller are installed on operator cabin.
7. according to claim 5 or 6 described engineering machinery, it is characterized in that, be specially excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304866 CN202628288U (en) | 2012-06-27 | 2012-06-27 | Engine rotational speed signal converting device and engineering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304866 CN202628288U (en) | 2012-06-27 | 2012-06-27 | Engine rotational speed signal converting device and engineering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628288U true CN202628288U (en) | 2012-12-26 |
Family
ID=47381495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304866 Expired - Lifetime CN202628288U (en) | 2012-06-27 | 2012-06-27 | Engine rotational speed signal converting device and engineering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705092A (en) * | 2012-06-27 | 2012-10-03 | 潍柴动力股份有限公司 | Engine rotation speed signal conversion device and engineering plant |
-
2012
- 2012-06-27 CN CN 201220304866 patent/CN202628288U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705092A (en) * | 2012-06-27 | 2012-10-03 | 潍柴动力股份有限公司 | Engine rotation speed signal conversion device and engineering plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102111106B (en) | Motor comprehensive control apparatus based on ARM (Advanced RISC Machines) and DSP (digital signal processor) | |
| CN101122334A (en) | Double-clutch automatic speed-changer electric controller and its control method | |
| CN103174186B (en) | Monitoring device and monitoring method of excavator and excavator | |
| CN102705085B (en) | A kind of accelerator control device and engineering machinery | |
| CN202628288U (en) | Engine rotational speed signal converting device and engineering machine | |
| CN201013459Y (en) | Electrically controlled engine output characteristic conversion device for vehicle crane | |
| CN102156232B (en) | System and method for testing electromagnetic valve of automatic transmission | |
| CN107780458A (en) | A kind of Control System of Hydraulic Excavator based on CAN | |
| CN102705092A (en) | Engine rotation speed signal conversion device and engineering plant | |
| CN202628284U (en) | Accelerator control device and engineering machinery | |
| CN201548405U (en) | Computer-type vehicle fault diagnosis device | |
| CN202305551U (en) | Engine speed signal instrument for complete vehicle test | |
| CN103048105A (en) | Shaft system torsional vibration testing device for parallel hybrid power system of engineering machine | |
| CN202900426U (en) | Auxiliary throttle control device for electronic-controlled engine | |
| CN200992718Y (en) | Excavator monitor | |
| CN203224782U (en) | Vehicle-mounted controller testing device and system | |
| CN202879232U (en) | Alarm system for automobile cooling water | |
| CN203982293U (en) | USB-LIN interconnecting device | |
| CN202661088U (en) | Instrument display system of mining engineering vehicle | |
| CN201331350Y (en) | Mileage recorder for transfer case taking-force engineering vehicle | |
| CN201013460Y (en) | Electrically controlled engine output characteristic conversion device | |
| CN205553938U (en) | Tractor combination meter | |
| CN202205091U (en) | Hand-held diesel engine fault diagnostic instrument | |
| CN202937359U (en) | Diesel electronic control multiple-power fuel injection system | |
| CN102060015A (en) | Hybrid power controller, hybrid power automobile and hybrid power control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |