CN202925437U - Power-generating heating control device and engineering machinery - Google Patents
Power-generating heating control device and engineering machinery Download PDFInfo
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- CN202925437U CN202925437U CN201220412536.0U CN201220412536U CN202925437U CN 202925437 U CN202925437 U CN 202925437U CN 201220412536 U CN201220412536 U CN 201220412536U CN 202925437 U CN202925437 U CN 202925437U
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- motor
- generator
- heating
- generating
- rotation speed
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Abstract
The utility model discloses a power-generating heating control device and engineering machinery. The power-generating heating control device comprises an engine and a power generator, and further comprises a rotation speed control mechanism and an electric heating mechanism, wherein the rotation speed control mechanism is used for adjusting and controlling the rotation speed of the power generator rotator; the rotation speed control mechanism is connected with the engine and the power generator, respectively; and the electric heating mechanism is connected with the power generator. According to the power-generating heating control device disclosed by the utility model, the heating efficiency of the power-generating heating control device is improved, the heating energy consumption is reduced, the stability of the power-generating heating voltage is improved, and the system reliability is improved.
Description
Technical field
The utility model relates to field of mechanical technique, particularly relates to a kind of generating heating control apparatus and engineering machinery.
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Background technology
Paver is a kind of important field of road engineering machinery, when construction operation, mainly presses after with the bituminous mixture pre-compacted by screed, satisfies thereby form the supercrust that certain width, thickness, planeness and compactness require.For preventing that paver screed bottom from the sizing phenomenon occurring and affecting the performance that paves, paver needs the screed bottom plate heating therefore, on paver, screed heating device need to be set to uniform temperature before the bituminous mixture that paves.The gas heating of the main employing of paver screed heating both at home and abroad at present and electrical heating.When adopting the gas heating, the feature of environmental protection is relatively poor, and operability is relatively poor.And the generating heating control system efficient that adopts at present is lower, and oil consumption is higher, and energy saving is relatively poor, and system reliability is low, generating heating voltage poor stability.
The utility model content
The purpose of this utility model is to provide a kind of generating heating control apparatus and engineering machinery, to improve the efficiency of heating surface, reduces the heating energy consumption, improves generating heating voltage stability, and improves system reliability, and for this reason, the utility model adopts following technical scheme:
A kind of generating heating control apparatus comprises motor and generator, also comprises: the rotation speed control mechanism and the electric heating mechanism that are used for regulation and control generator amature rotating speed; Wherein:
Described rotation speed control mechanism is connected with generator with described motor respectively;
Described electric heating mechanism is connected with generator.
Preferably, described rotation speed control mechanism comprises: variable pump and motor; Wherein:
Described variable pump is connected with motor with described motor respectively;
Described motor is connected with described generator.
Preferably, described motor is connected by shaft coupling or driving belt with described generator.
Preferably, described rotation speed control mechanism also comprises: speed probe and controller; Wherein:
Described controller is connected with speed probe with described variable pump respectively;
Described speed probe is connected with described motor.
Preferably, described variable pump is electric proportional variable plunger pump or hydraulic variable flow plunger displacement pump.
Preferably, be connected by transfer case between described motor and described rotation speed control mechanism.
Preferably, described electric heating mechanism is heating rod or heater coil.
A kind of engineering machinery comprises above-mentioned generating heating control apparatus.
Preferably, described engineering machinery is paver, wherein:
Described electric heating mechanism is built in the screed of described paver.
Above-described embodiment of the present utility model, by the rotation speed control mechanism of regulation and control generator speed is set, can guarantee in the situation that motor is in different rotating speeds, all can control flexibly and regulator generator rotor speed, realize that by variable frequency control motor is in efficient low-consume economic gear rotating speed and satisfies the generating demand for heat, improve the efficiency of heating surface, reduced the heating energy consumption, improved generating heating voltage stability.In addition, in running order when motor, but system can control generator by rotation speed control mechanism and be in off working state (being about to the generator amature rotational speed regulation is 0) when not needing to heat, extend the application life of correlator member, improved the reliability of heating system.
Description of drawings
The structural representation of the generating heating control apparatus that Fig. 1 provides for the utility model embodiment;
The structural representation of the generating heating control apparatus that Fig. 2 a, 2b provide for the utility model embodiment;
The structural representation of a kind of paver that Fig. 3 provides for the utility model embodiment.
Marginal data:
1, motor 2, generator
3, rotation speed control mechanism 4, electric heating mechanism
5, transfer case 31, variable pump
32, motor 33, speed probe
34, controller
The specific embodiment
For above-mentioned problems of the prior art, the utility model embodiment provides a kind of generating heating control apparatus, by the rotation speed control mechanism of regulation and control generator amature rotating speed is set, can guarantee in the situation that motor is in different rotating speeds, all can control flexibly and regulator generator rotor speed, realize that by variable frequency control motor is in satisfied generating demand for heat in the efficient low-consume economic gear range of speeds, improve the efficiency of heating surface, reduce the heating energy consumption, guarantee that simultaneously the generator generating voltage is stable, improves heating properties.In addition, in running order when motor, but system can control generator by rotation speed control mechanism and be in off working state (being about to the generator amature rotational speed regulation is 0) when not needing to heat, extend the application life of correlator member, improved the reliability of heating system.
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is carried out clear, complete description, obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
Referring to Fig. 1, the generating heating control apparatus that the utility model embodiment provides can also comprise rotation speed control mechanism 3 and electric heating mechanism 4 for the sub-rotor speed of regulation and control generating except comprising motor 1 and generator 2; Wherein:
Rotation speed control mechanism 3 is connected with generator with motor 1 respectively and is connected;
Can guarantee in the situation that motor 1 is in different rotating speeds by rotation speed control mechanism 3, all can control flexibly the rotor speed with regulator generator 2, realize that by variable frequency control motor 1 is in efficient low-consume economic gear rotating speed and satisfies the generating demand for heat.
Referring to Fig. 2 a, in the utility model embodiment, rotation speed control mechanism 3 can comprise: variable pump 31 and motor 32; Wherein:
Discharge capacity by regulated variable pump 31, can in the situation that the rotating speed of motor is certain, the flow of hydraulic oil be changed (wherein, hydraulic fluid flow rate=engine speed * variable pump discharge capacity), thereby the rotating speed of governor motor, and then regulator generator rotor speed.Wherein, in the technical scheme that the utility model embodiment provides, can be connected by shaft coupling between motor 32 and generator 2, can connect by other modes such as driving belts yet, its concrete connected mode does not repeat them here.
It should be noted that when motor in running orderly, and when not needing to heat, can be adjusted to 0 by the discharge capacity with variable pump 31, can make generator be in off working state, to extend the application life of correlator member, improve system reliability.
Referring to Fig. 2 b, in the utility model embodiment, rotation speed control mechanism 3 can also comprise speed probe 33 and control 34; Wherein:
By speed probe 33 can Real-Time Monitoring motor 32 rotating speed, and work as the turn up of motor less than the demand of generator generating, when perhaps the rotating speed of motor is too high, can pass through the discharge capacity of controller 34 control variables pumps 31, and then the rotating speed of governor motor 32, realize that by variable frequency control motor 1 is in satisfied generating demand for heat in the efficient low-consume economic gear range of speeds, improve the efficiency of heating surface, reduce the heating energy consumption, guarantee that simultaneously the generator generating voltage is stable, improves heating properties.
Wherein, in the utility model embodiment, variable pump 31 can be electric proportional variable plunger pump or hydraulic variable flow plunger displacement pump; Electric heating mechanism 4 can be heating rod or heater coil etc. by being the device of heat energy with electric energy conversion.
It should be noted that, in the technical scheme that the utility model embodiment provides, be not limited to drive generator by what describe in above-described embodiment by hydraulic control system, also can drive generator by open system, wherein, can be by adopting the rotating speed of electric operated proportional flow control valve regulation and control generator amature.Its specific implementation does not repeat them here.
Another embodiment of the present utility model also provides a kind of engineering machinery, and the generating heating control apparatus that provides in above-described embodiment is provided.
Wherein, this project machinery can be paver, and correspondingly, the electric heating mechanism of above-mentioned generating heating control apparatus is built in the screed of paver.
Be described in detail below in conjunction with accompanying drawing and the concrete application scenarios operating principle to the paver of the generating heating control apparatus that comprises the utility model embodiment and provide.
Referring to Fig. 3, in this embodiment, motor 1 can be electric proportional variable plunger pump in an embodiment with variable pump 31() be connected by transfer case 5, power source is provided for variable pump 31 by motor 1, variable pump 31 can be piston motor by fluid pressure line in this embodiment with motor 32() be connected, consist of the hydraulic closed system drive.Motor 32 is connected with generator 2, drives the rotation of generator 2 rotor coils, realizes the generating of generator 2.Generator 9 can be heating rod by electric lead in this embodiment with electric heating mechanism 4(in screed) be connected, make electric heating mechanism 4 energisings in screed produce heat energy, and make the screed bottom plate heating by the heat transmission.Speed probe 33 is arranged on motor 32, can detect the tach signal of motor 32.Speed probe 33 is connected with controller 34 by cable, tach signal can be input to controller 34.The control signal input port of variable pump 31 is connected with controller 34.
When paver generating heating, make motor 1 be in the district's work of efficient low oil consumption rotating speed, drive variable pump 31 by transfer case 5, variable pump 31 forms hydraulic control system with motor 32, drive the rotor coil of generator 2 by motor 32, realize the generating of generator 2.The voltage of generator 2 is directly supplied with the motor heat mechanism 4 in screed, makes electric heating mechanism 4 heatings, electric energy is changed into heat energy, thereby realize the heating of screed base plate.Speed probe 33 detects motor rotary speed in real time, send the tach signal that detects to controller 34, controller 34 controls signal to variable pump 31 according to the real-time detection rotating speed of motor with the difference output current of setting tachometer value, by changing the discharge capacity of variable pump 3, control the rotating speed of motor 32 and generator 2, realize that the generating heating voltage is stable.When engine speed changes, change the discharge capacity of variable pump 31 by adjustment, assurance motor 1 is worked in the efficient low-consume range of speeds, satisfies the generating demand for heat.
When system needs stopped heating (but motor is still in running order), the discharge capacity by variable pump 31 can be set to 0, make generator be in off working state.
Can find out by above description, by the rotation speed control mechanism of the sub-rotor speed of regulation and control generating is set, can guarantee in the situation that motor is in different rotating speeds, all can control flexibly and regulator generator rotor speed, realize that by variable frequency control motor is in satisfied generating demand for heat in the efficient low-consume economic gear range of speeds, improve the efficiency of heating surface, reduce the heating energy consumption, guarantee that simultaneously the generator generating voltage is stable, improves heating properties.In addition, in running order when motor, but system can control generator by rotation speed control mechanism and be in off working state (being about to the generator amature rotational speed regulation is 0) when not needing to heat, extend the application life of correlator member, improved the reliability of heating system.
The above is only preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be looked protection domain of the present utility model.
Claims (9)
1. a generating heating control apparatus, comprise motor and generator, it is characterized in that, also comprises: the rotation speed control mechanism and the electric heating mechanism that are used for regulation and control generator amature rotating speed; Wherein:
Described rotation speed control mechanism is connected with generator with described motor respectively;
Described electric heating mechanism is connected with generator.
2. generating heating control apparatus as claimed in claim 1, is characterized in that, described rotation speed control mechanism comprises: variable pump and motor; Wherein:
Described variable pump is connected with motor with described motor respectively;
Described motor is connected with described generator.
3. generating heating control apparatus as claimed in claim 2, is characterized in that, described motor is connected by shaft coupling or driving belt with described generator.
4. generating heating control apparatus as claimed in claim 2, is characterized in that, described rotation speed control mechanism also comprises: speed probe and controller; Wherein:
Described controller is connected with speed probe with described variable pump respectively;
Described speed probe is connected with described motor.
5. generating heating control apparatus as described in claim 2-4 any one, is characterized in that, described variable pump is electric proportional variable plunger pump or hydraulic control variable pump.
6. generating heating control apparatus as described in claim 1-4 any one, is characterized in that, is connected by transfer case between described motor and described rotation speed control mechanism.
7. generating heating control apparatus as described in claim 1-4 any one, is characterized in that, described electric heating mechanism is heating rod or heater coil.
8. an engineering machinery, is characterized in that, comprises generating heating control apparatus as described in claim 1-7 any one.
9. engineering machinery as claimed in claim 8, is characterized in that, described engineering machinery is paver, wherein:
Described electric heating mechanism is built in the screed of described paver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220412536.0U CN202925437U (en) | 2012-08-20 | 2012-08-20 | Power-generating heating control device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220412536.0U CN202925437U (en) | 2012-08-20 | 2012-08-20 | Power-generating heating control device and engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202925437U true CN202925437U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220412536.0U Expired - Lifetime CN202925437U (en) | 2012-08-20 | 2012-08-20 | Power-generating heating control device and engineering machinery |
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| Country | Link |
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| CN (1) | CN202925437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592389A (en) * | 2016-12-30 | 2017-04-26 | 徐工集团工程机械有限公司 | Distribution spreading machine heating generator control device, system and method |
-
2012
- 2012-08-20 CN CN201220412536.0U patent/CN202925437U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592389A (en) * | 2016-12-30 | 2017-04-26 | 徐工集团工程机械有限公司 | Distribution spreading machine heating generator control device, system and method |
| CN106592389B (en) * | 2016-12-30 | 2019-11-26 | 徐工集团工程机械有限公司 | Spread paver heats generator control unit, system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |
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| CX01 | Expiry of patent term |