CN213279430U - Power generator set - Google Patents
Power generator set Download PDFInfo
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- CN213279430U CN213279430U CN202022361080.7U CN202022361080U CN213279430U CN 213279430 U CN213279430 U CN 213279430U CN 202022361080 U CN202022361080 U CN 202022361080U CN 213279430 U CN213279430 U CN 213279430U
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- generator set
- temperature sensor
- temperature
- voltage regulator
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Abstract
The utility model discloses a generator set, which relates to the field of generators and comprises a motor, a voltage regulator arranged in the motor, a generator set controller arranged outside the motor, a generator set controller and a voltage regulator which are in communication connection, and a temperature acquisition unit arranged on the generator set, wherein the temperature acquisition unit is arranged in the voltage regulator and is electrically connected with the voltage regulator; the temperature acquisition unit transmits a temperature electric signal corresponding to the temperature to the voltage regulator, and the voltage regulator transmits the received temperature electric signal to the unit controller. It is thus clear that the utility model discloses carry out the electricity with each sensor in the temperature acquisition unit and be connected with voltage regulator to reduced the hard wire between temperature acquisition unit to the unit controller, shortened analog signal's transmission distance, reduced electromagnetic signal to sensor signal interference, reduced the unit cost, improved sensor measurement accuracy, guaranteed generator control protection reliability.
Description
Technical Field
The utility model relates to a generator technical field especially relates to a generating set.
Background
At present, in order to ensure the safe and reliable operation of a generator set, temperature sensors are generally arranged at all positions on the generator set, the temperature sensors are used for collecting the temperature at all positions and monitoring the temperature at all positions, so that abnormality can be found in time, alarm and brake separation are carried out in time, the shutdown processing and the like are carried out, and the fault expansion of the generator set is prevented. For example, in an alternator, temperature sensors are usually disposed at seven positions, such as three windings, a front bearing, a rear bearing, a generator inlet, a generator outlet, and the like. At present, each temperature sensor is electrically connected with an expansion module of a generator set controller through a hard wire, the problem of signal transmission loss exists in the transmission process of the temperature sensor due to the fact that the acquired temperature signals are analog signals, and the signals are made to be subjected to surrounding electromagnetic interference due to the hard wire connection, so that the signals are unstable, the acquired temperature value is jumped, the situation of misjudgment is easy to occur, and misoperation is caused.
And a plurality of sensors are connected with generating set control extension module electricity, can use many hardwires, have increased the pencil and have laid the degree of difficulty, increase cost, hardware volume and have still increased the fault point.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses the technical problem that will solve is: the generator set has the advantages that hardware wire harnesses are reduced, interference of electromagnetic signals to signals of the sensor is reduced, the cost of the generator set is reduced, the measurement accuracy of the sensor is improved, and the control protection reliability of the generator is guaranteed.
In order to solve the technical problem, the technical scheme of the utility model is that:
a generator set comprises a motor, a voltage regulator arranged in the motor, a generator set controller arranged outside the motor, a temperature acquisition unit arranged on the generator set, a voltage regulation unit arranged on the generator set, a temperature control unit arranged on the generator set and a control unit arranged on the generator set, wherein the temperature acquisition unit is arranged in the voltage regulator and is electrically connected with the voltage regulator; the temperature acquisition unit transmits a temperature electric signal corresponding to the temperature to the voltage regulator, and the voltage regulator transmits the received temperature electric signal to the unit controller.
Preferably, the voltage regulator comprises a control unit, and a signal processing unit and a communication unit which are respectively electrically connected with the control unit, wherein the signal processing unit is electrically connected with the temperature acquisition unit, and the communication unit is electrically connected with the unit controller.
Preferably, the communication unit comprises a CAN communication unit and a CAN interface, and the CAN interface is electrically connected with the unit controller through a CAN bus.
Preferably, the signal processing unit includes an analog-to-digital conversion unit.
Preferably, the temperature acquisition unit comprises a first temperature sensor arranged on a U-phase winding of the generator set, a second temperature sensor arranged on a V-phase winding of the generator set and a third temperature sensor arranged on a W-phase winding of the generator set.
Preferably, the temperature acquisition unit further comprises a fourth temperature sensor arranged on the front bearing of the generator set and a fifth temperature sensor arranged on the rear bearing of the generator set.
Preferably, the temperature acquisition unit further comprises a sixth temperature sensor arranged at the inlet of the generator set and a seventh temperature sensor arranged at the outlet of the generator set.
Preferably, the first temperature sensor, the second temperature sensor, the third temperature sensor, the fourth temperature sensor, the fifth temperature sensor, the sixth temperature sensor and/or the seventh temperature sensor is a PT100 type temperature sensor.
The preferred mode is, still include with the three-phase electricity of motor is connected the generating line row, just the motor with be provided with the circuit breaker between the generating line row.
Preferably, the voltage regulator further comprises a voltage transformer and a current transformer electrically connected with the voltage regulator.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the utility model discloses a generating set, including the motor, establish the voltage regulator in the motor to and establish the unit controller in the motor outside, unit controller and voltage regulator communication connection still include the temperature acquisition unit who establishes on generating set, the temperature acquisition unit is established in the voltage regulator, and is connected with the voltage regulator electricity; the temperature acquisition unit transmits a temperature electric signal corresponding to the temperature to the voltage regulator, and the voltage regulator transmits the received temperature electric signal to the unit controller. According to the above, the utility model discloses a generating set carries out the electricity with each sensor in the temperature acquisition unit and is connected with the voltage regulator, establishes in the motor because of the voltage regulator to reduced the hardwire between temperature acquisition unit to the generating set controller, also shortened analog signal's transmission distance, reduced electromagnetic signal and disturbed sensor signal, reduced the unit cost, improved sensor measurement accuracy, guaranteed generator control protection reliability.
The temperature acquisition unit comprises a first temperature sensor arranged on a U-phase winding of the generator set, a second temperature sensor arranged on a V-phase winding of the generator set and a third temperature sensor arranged on a W-phase winding of the generator set, so that the temperature of the three-phase winding of the generator set is monitored.
The temperature acquisition unit also comprises a fourth temperature sensor arranged on the front bearing of the generator set and a fifth temperature sensor arranged on the rear bearing of the generator set, so that the temperature of the front bearing and the rear bearing of the generator set can be monitored.
Because the temperature acquisition unit also comprises a sixth temperature sensor arranged at the inlet of the generator set and a seventh temperature sensor arranged at the outlet of the generator set, the temperature of the inlet and the outlet of the generator set can be monitored.
To sum up, the utility model discloses compare in prior art, be connected the temperature sensor who gathers temperature everywhere on the generating set with voltage regulator electricity, with the help of the communication between voltage regulator and the generating set controller, with temperature signal transmission to generating set controller, the utility model discloses both having followed closely generating set temperature everywhere, reduced the hardwire between temperature acquisition unit to the generating set controller again, also shortened analog signal's transmission distance, reduced electromagnetic signal and disturbed sensor signal, reduced the unit cost, improved sensor measurement accuracy, guaranteed generator control protection reliability.
Drawings
Fig. 1 is a schematic block diagram of the generator set of the present invention;
fig. 2 is a wiring diagram of the generator set of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, a generator set includes a motor GF, a voltage regulator DVR arranged in the motor GF, a generator set controller arranged outside the motor GF, in this case, the generator set controller is WHC9530, the generator set controller is in communication connection with the voltage regulator DVR, and a temperature acquisition unit arranged on the generator set, the temperature acquisition unit is arranged in the voltage regulator DVR and is electrically connected with the voltage regulator DVR; the temperature acquisition unit transmits a temperature electric signal corresponding to the temperature to the voltage regulator DVR, and the voltage regulator DVR transmits the received temperature electric signal to the unit controller.
The utility model discloses a generating set carries out the electricity with each sensor in the temperature acquisition unit and voltage regulator DVR and is connected, establishes in motor GF because of voltage regulator DVR to reduce the hardwire between temperature acquisition unit to the generating set controller, also shortened analog signal's transmission distance, reduced electromagnetic signal and disturbed sensor signal, reduce the unit cost, improved sensor measurement accuracy, guaranteed generator control protection reliability.
As shown in fig. 1, the voltage regulator DVR includes a control unit, and a signal processing unit and a communication unit electrically connected to the control unit, respectively, wherein the signal processing unit is electrically connected to the temperature acquisition unit, and the communication unit is electrically connected to the set controller. The communication unit comprises a CAN communication unit and a CAN interface, and the CAN interface is electrically connected with the unit controller through a CAN bus; the signal processing unit comprises an analog-digital conversion unit, and the control unit can comprise a microprocessor such as a singlechip and the like.
As shown in fig. 1 and 2, in this embodiment, the temperature acquisition unit includes a first temperature sensor 1 disposed on a U-phase winding of the generator set, a second temperature sensor 2 disposed on a V-phase winding of the generator set, and a third temperature sensor 3 disposed on a W-phase winding of the generator set, where the U-phase, the V-phase, and the W-phase are three phases of the motor; a fourth temperature sensor 4 arranged on a front bearing of the generator set and a fifth temperature sensor 5 arranged on a rear bearing of the generator set; a sixth temperature sensor 6 arranged at the inlet of the generator set and a seventh temperature sensor 7 arranged at the outlet of the generator set. Further, the first temperature sensor 1, the second temperature sensor 2, the third temperature sensor 3, the fourth temperature sensor 4, the fifth temperature sensor 5, the sixth temperature sensor 6 and/or the seventh temperature sensor 7 are PT100 type temperature sensors. Through the temperature that above-mentioned each temperature sensor gathered, make the unit controller according to temperature control generator, guarantee generating set safe and reliable operation, can detect the processing to three windings of generating set, front and back bearing so that generating set import and export temperature to the discovery is unusual in time reports to the police, the separating brake is in order to shut down the processing, prevents the unit trouble and enlarges. Of course, the temperature acquisition unit is not limited to the temperature sensor understood above, and can be set according to actual needs.
As shown in fig. 2, the generator set of the present embodiment further includes a three-phase electrical connection DE bus bar (a phase, B phase, C phase, and N) with the motor GF, and a circuit breaker QFO is provided between the motor GF and the bus bar. Meanwhile, the motor control system further comprises voltage transformers TV1 and TV2 and a current transformer TA4 which are electrically connected with the voltage regulator DVR, wherein the current transformer TA4, the voltage transformer TV1 and the TV2 are arranged on a connecting line between the motor GF and the bus bar, respectively collect current and voltage, convert the current and voltage into corresponding electric signals and transmit the electric signals to the voltage regulator DVR, and enable the voltage regulator DVR to output exciting current to the motor through output ends F + and F < - > so as to control the motor.
The above-described preferred embodiments of the present invention are not intended to limit the present invention, and any modifications, equivalent modifications of the generator set, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. A generator set comprises a motor, a voltage regulator arranged in the motor, and a generator set controller arranged outside the motor, wherein the generator set controller is in communication connection with the voltage regulator;
the temperature acquisition unit transmits a temperature electric signal corresponding to the temperature to the voltage regulator, and the voltage regulator transmits the received temperature electric signal to the unit controller.
2. The generator set of claim 1, wherein the voltage regulator comprises a control unit, and a signal processing unit and a communication unit electrically connected to the control unit, respectively, wherein the signal processing unit is electrically connected to the temperature acquisition unit, and the communication unit is electrically connected to the set controller.
3. The generator set of claim 2, wherein the communication unit comprises a CAN communication unit and a CAN interface electrically connected to the set controller via a CAN bus.
4. The generator set of claim 2, wherein the signal processing unit comprises an analog-to-digital conversion unit.
5. The generator set of any of claims 1-4, wherein the temperature acquisition unit includes a first temperature sensor disposed on a U-phase winding of the generator set, a second temperature sensor disposed on a V-phase winding of the generator set, and a third temperature sensor disposed on a W-phase winding of the generator set.
6. The generator set of claim 5, wherein the temperature acquisition unit further comprises a fourth temperature sensor disposed on a front bearing of the generator set, and a fifth temperature sensor disposed on a rear bearing of the generator set.
7. The generator set of claim 6, wherein the temperature acquisition unit further comprises a sixth temperature sensor disposed at the generator set inlet and a seventh temperature sensor disposed at the generator set outlet.
8. The generator set of claim 7, wherein the first temperature sensor, the second temperature sensor, the third temperature sensor, the fourth temperature sensor, the fifth temperature sensor, the sixth temperature sensor, and/or the seventh temperature sensor is a PT100 model temperature sensor.
9. The generator set of claim 5, further comprising a bus bar electrically connected to the three phases of the motor, and a circuit breaker disposed between the motor and the bus bar.
10. The generator set of claim 9, further comprising a voltage transformer and a current transformer electrically connected to the voltage regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361080.7U CN213279430U (en) | 2020-10-21 | 2020-10-21 | Power generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022361080.7U CN213279430U (en) | 2020-10-21 | 2020-10-21 | Power generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213279430U true CN213279430U (en) | 2021-05-25 |
Family
ID=75951406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022361080.7U Active CN213279430U (en) | 2020-10-21 | 2020-10-21 | Power generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213279430U (en) |
-
2020
- 2020-10-21 CN CN202022361080.7U patent/CN213279430U/en active Active
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