KR102478911B1 - Coolant preheating device of engine generator - Google Patents

Abstract

The present invention relates to an engine generating rotational force, a cooling water heater connected to the engine to preheat cooling water, a generator generating and supplying electric power, a power conversion unit converting rotational force of the engine into electric power of the generator, and a vibration reduction module to protect them. A cooling water preheating device for an engine generator having a case including an over-dust removal module is provided.

Description

Coolant preheating device of engine generator}

The present invention relates to a coolant preheating device for an engine generator, and more particularly, to an engine that generates rotational force, a coolant heater that is connected to the engine to preheat coolant, a generator that generates and supplies electric power, and converts the rotational force of the engine into electric power of the generator. A coolant preheating device for an engine generator equipped with a case including a power conversion unit for converting and a vibration reduction module and a dust removal module to protect them.

In addition to various construction and construction sites, as the consumption and demand for reserve power rapidly increase due to the power outage of existing electricity supply companies, natural disasters, and other problems due to the increase in power consumption, reserve power is used to prevent various damages. As the demand for emergency power facilities in construction and construction sites of generators, various buildings and facilities, and power generation facilities for ships increases significantly, its marketability will increase even further.

The current preheating device has a heater that simply preheats the coolant inside the preheating block, a coolant inlet IN line, and only a check valve on the OUT line, so the natural circulation by convective heat transfer cannot guarantee smooth circulation of the coolant, and also the inside of the preheating block Even when air is introduced into the cooling water, it becomes a serious cause of obstructing the natural circulation of the cooling water as described above. Over time, foreign substances adhere to the check valve, preventing it from functioning and becoming a major cause of hindering the circulation of the cooling water.

Due to these various problems, the frequent failure of the preheating heater and poor circulation of the preheated coolant not only reduce the efficiency when starting the engine generator, but also emit a lot of soot due to incomplete combustion at the initial start in an unpreheated state, which harms the environment. It is a major cause of pollution.

In addition, vibration and noise are frequently generated due to complex operations of the engine, generator, preheater, and power conversion unit, posing a risk to the safety of workers.

Therefore, the present invention is intended to solve the fumes, vibrations and noises generated during the operation of the above components.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a cooling water preheating device for an engine generator equipped with an engine generating rotational force, a cooling water heater preheating cooling water, a generator, and a power conversion unit. will be.

Another object of the present invention is to provide a coolant preheating device for an engine generator having a case for mounting an engine, a coolant heater, a generator, and a power conversion unit therein.

Another object of the present invention is to provide a coolant preheating device for an engine generator equipped with a vibration reduction module installed on an inner circumference of a case.

Another object of the present invention is to provide a coolant preheating device for an engine generator equipped with a dust removal module installed inside a case.

The object of the present invention is not limited to the tasks mentioned above, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

An apparatus for preheating coolant of an engine generator according to an embodiment of the present invention for solving the above problems may include an engine generating rotational force.

In one embodiment, a coolant heater connected to the engine to preheat coolant when the engine is stopped to increase lubricity of the engine, a generator generating and supplying electric power by the engine, and electrically connecting the engine and the generator It may include a power conversion unit that drives the engine and converts it into power for generating electric power in the generator and transmits it.

In one embodiment, the engine, the coolant heater, the generator, and the power conversion unit are mounted therein to protect them, and a case having a cover portion so that an upper portion can be opened is installed along a circumferential portion inside the case to protect the engine. A vibration reduction module that prevents vibration and noise generated during operation from being emitted to the outside, installed inside the lower surface of the case, and dust introduced into the case or harmful gas generated during engine operation and the engine and the coolant heater It may include a dust removal module that dissipates the heat of the outside.

In one embodiment, the vibration reduction module includes a plurality of machining springs installed at each corner inside the case to support the vibration reduction module, and a plurality of machining springs installed at each side of the case and supported by the plurality of machining springs. A module housing, a plurality of fixing parts formed on one side and the other side of each of the plurality of module housings at a predetermined interval, a plurality of support plates formed on one side of the plurality of fixing parts along the longitudinal direction of the module housing, a plurality of In order to support between the support plates, a plurality of support parts are installed at regular intervals, a plurality of fixing plates are installed on one support plate among the plurality of support plates, and a plurality of fixing plates are spaced apart at regular intervals in one direction. A plurality of reduction units are formed to attenuate the impact transmitted to the case, and a reduction unit fixing member installed on one side of the corresponding support plate so as to be fastened and fixed to at least one of the plurality of reduction units. can do.

In one embodiment, the reducing unit is provided in a cylindrical shape and has a screw thread (E) formed at the rear end of the reducing unit body, a fitting member fastened along the screw thread (E) of the reducing unit body and having an insertion member formed in the central portion ( 272), a sensor bracket installed at the front end of the reducer body, a vibration sensor for measuring vibration caused by external impact, and a plurality of sensor fixing rings for fixing the vibration sensor are provided, and the sensor bracket fixed by, a sensor protection member formed to protrude from the front end of the reducing unit body, a vibration measuring unit installed on one side of the reducing unit body to calculate and display an average value of vibrations measured by the vibration sensor, and the fitting A vibration spring inserted into the insertion member of the member 272 to reduce external impact, and an insertion protrusion is formed at the rear end so as to be inserted into the front end of the vibration spring, which is embedded in the body of the reduction unit and is inserted into the front end of the vibration spring to reduce vibration. A shock absorber with a built-in spring, a fastening screw at an upper end of the shock absorber, a shock absorber spring inserted into the fastening screw, and a breakaway prevention ring preventing the shock absorber from leaving the body of the reducing unit may include a fastening part fastened in this order.

In one embodiment, the vibration reduction module is supported inside the case by the machining spring, and when an external shock is transmitted to the case, the vibration spring and the shock absorber of the damping unit reduce the external shock, and the external shock is transmitted to the case. The method may further include a feature of measuring an impact by the vibration sensor, calculating an average value of vibration, and displaying the average value of the vibration on the vibration measuring unit.

In one embodiment, the dust removal module is installed inside the case to store compressed air and has a built-in pump operating under the control of an electrically connected control unit to supply compressed air to an air tank, a certain amount on the lower surface of the case It may include a plurality of spaced-apart inserts, a jetting unit for injecting compressed air into the case, and a pipe integrally connected to each of the several jetting units to move the compressed air sprayed from the air tank.

In one embodiment, the spraying unit is a pipe protecting member having a plurality of bolt holes (D) into which the bolts can be inserted along the circumference and a spraying groove in which the compressed air supplied from the pipe is injected in the central portion and embedded in the pipe, the A fitting member 3221 protrudes on one side so as to be fastened to the injection groove of the pipe protection member, and a screw injection unit that supplies compressed air injected from the injection groove by adding rotational force. A body fixing member is formed, and a plurality of fitting grooves and bolt holes (C) are spaced apart at regular intervals along the inner circumference, and a plurality of injection part fastening parts are formed. A central portion is through-hole to be inserted, a plurality of bolt holes (B) are formed spaced apart at a predetermined interval along the circumference, and a plurality of bolt holes (A) are formed on the upper surface to be bolted to the case. can include

In one embodiment, the screw ejection unit, a cylindrical nozzle body, a screw body built into the nozzle body for a rotational operation electrically connected to the control unit and a screw fastening portion formed along the circumference, one end of the screw body It may include an auxiliary injection unit integrally connected to and selectively injecting compressed air under the control of the control unit.

In one embodiment, the auxiliary injection unit includes a connection unit integrally connected to one end of the screw body and an auxiliary injection nozzle integrally connected to the connection unit to selectively spray compressed air, and the screw fastening unit includes the screw A dust removal unit for removing dust introduced into the injection unit is fastened, and in the dust removal module, compressed air supplied from the air tank under the control of the control unit passes through a plurality of the pipes and through a plurality of the injection units. It is injected into the case, and the screw body rotates under the control of the control unit to remove the dust introduced into the screw injection unit to the dust removal unit, and the compressed air supplied through the pipe by rotation adds rotational force. Rotational injection is performed, and the auxiliary injection nozzle of the auxiliary injection unit is opened under the control of the control unit to inject compressed air.

According to the present invention, an engine generating rotational force, a cooling water heater connected to the engine to preheat cooling water, a generator generating and supplying electric power, a power conversion unit converting rotational force of the engine into electric power of the generator, and vibration reduction to protect them A cooling water preheating device for an engine generator having a case including a module and a dust removal module is provided. Effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the present invention.

1 is a side view showing the overall configuration of a coolant preheating device for an engine generator according to the present invention.
Figure 2 shows the overall configuration of the vibration reduction module in a plan view of the case of the coolant preheating device of the engine generator according to the present invention.
Figure 3 shows an assembly view of the reduction unit of the coolant preheating device of the engine generator according to the present invention.
4 illustrates embodiments of a reduction unit of a coolant preheating device of an engine generator according to the present invention.
5 illustrates an embodiment of a dust removal module of a coolant preheating device of an engine generator according to the present invention.
6 shows the overall configuration of the injection unit of the coolant preheating device of the engine generator according to the present invention.
Figure 7 shows the overall configuration of the screw injection unit of the coolant preheating device of the engine generator according to the present invention.
8 is an assembly view of an injection unit of a coolant preheating device of an engine generator according to the present invention.
9 is a diagram showing the relationship of the control unit of the coolant preheating device of the engine generator according to the present invention.

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described in this specification may be modified in various ways. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, specific embodiments disclosed in the accompanying drawings are only intended to facilitate understanding of various embodiments. Therefore, the technical idea is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and technical scope of the invention.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but these components are not limited by the above terms. The terminology described above is only used for the purpose of distinguishing one component from another.

In this specification, terms such as "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded. It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

Meanwhile, a “module” or “unit” for a component used in this specification performs at least one function or operation. And a "module" or "unit" may perform a function or operation by hardware, software, or a combination of hardware and software. In addition, a plurality of “modules” or “units” other than “modules” or “units” to be executed in specific hardware or to be executed in at least one processor may be integrated into at least one module. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In addition, in describing the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be abbreviated or omitted.

1 is a side view showing the overall configuration of a coolant preheating device of an engine generator 30 according to the present invention.

The coolant preheating device of the engine generator 30 may include the engine 10 , the coolant heater 20 , the generator 30 and the power conversion unit 40 .

The engine 10 operates while fuel is supplied to generate rotational force, and the rotational force is transmitted to the generator 30 through a power conversion unit 40 to be described later by the rotational force, so that the generator 30 generates electric power with the rotational force transmitted from the engine 10. It is provided to generate

The coolant heater 20 may be connected to the engine 10 to preheat the coolant when the engine is stopped to increase lubricity of the engine.

In addition, as shown, the coolant heater 20 is built in a preheating device capable of preheating the coolant and is connected to preheat the coolant and flow it to the engine 10 through the principle of natural circulation.

The generator 30 may be provided to generate and supply electric power by the engine 10 .

The power conversion unit 40 may be provided to electrically connect the engine 10 and the generator 30 to convert power from the generator 30 into power for driving the engine 10 and transmit the converted power.

2 shows the overall configuration of the vibration reduction module 200 in a plan view of the case 100 of the coolant preheating device of the engine generator 30 according to the present invention.

Referring to FIG. 2 , the coolant preheating device of the engine generator 30 may include a case 100 and a vibration reduction module 200 .

The case 100 protects the engine 10, the coolant heater 20, the generator 30, and the power conversion unit 40 by mounting them therein, and may include a cover part 110 so that the top can be opened. there is.

The vibration reduction module 200 may be installed along the inner circumference of the case 100 to prevent vibration and noise generated during engine operation from being emitted to the outside.

In addition, the vibration reduction module 200 includes a machining spring 210, a module housing 220, a fixing part 230, a support plate 240, a support part 250, a fixing plate 260, a reducing part 270, And it may include a reducing unit fixing member (280).

A plurality of machining springs 210 may be provided to support the overall configuration of the vibration reduction module 200 by being installed at each inner corner of the case 100 .

A plurality of module housings 220 may be provided so as to be installed on each side of the inside of the case 100 and supported by a plurality of machining springs 210 .

A plurality of fixing parts 230 may be formed at a predetermined interval on one side and the other side of each of the plurality of module housings 220 .

A plurality of support plates 240 may be formed on one side of the plurality of fixing parts 230 along the longitudinal direction of the module housing 220 .

In order to support between the plurality of support plates 240 , a plurality of support parts 250 may be installed spaced apart from each other at regular intervals.

A plurality of fixing plates 260 may be installed on one support plate 240 among the plurality of support plates 240 .

3 and 4 show a reduction unit 270 of the coolant preheating device of the engine generator 30 according to the present invention.

Referring to FIGS. 3 and 4 , a plurality of reducing units 270 are spaced apart at regular intervals in one direction of each of the plurality of fixing plates 260, and may be provided to attenuate impact transmitted to the case 100. .

In addition, the reducing unit 270 includes a reducing unit body 271, a fitting member 272, a sensor bracket 273, a sensor protecting member 274, a vibration measuring unit 275, a vibration spring 276, a buffer unit ( 277), and a fastening part 278.

The reducing unit body 271 may be provided in a cylindrical shape and may have a screw thread E formed at the rear end.

The fitting member 272 may be fastened along the thread E of the reducing portion body 271 and the insertion member 2721 may be formed in the central portion.

The sensor bracket 273 may be installed at the front end of the reducing body 271 .

The sensor protection member 274 has a built-in vibration sensor 2741 that measures vibration caused by external impact, a plurality of sensor fixing rings 2742 for fixing the vibration sensor 2741, and a sensor bracket 273 ), and may be formed to protrude from the front end of the reducing body 271.

The vibration measurement unit 275 may be installed on one side of the damper body 271 to calculate and display an average value of vibrations measured by the vibration sensor 2741 .

At this time, it is preferable that the measurement unit is N (Newton) for measuring force.

In addition, the vibration measurement unit 275 may also be provided in a form in which a small display is built into one side of the reducer body 271 .

The vibration spring 276 may be inserted into the insertion member 2721 of the fitting member 272 to reduce external impact.

The shock absorber 277 is built into the reducing body 271, and an insertion protrusion 2771 is formed at the rear end so as to be inserted into the front end of the vibration spring 276, and a spring for reducing vibration may be embedded. .

The fastening part 278 includes a fastening screw 2781 at the upper end of the shock absorbing part 277, a shock absorbing spring 2782 inserted into the fastening screw 2781, and a breakaway prevention preventing the shock absorbing from escaping from the reducing body 271. The ring 2783 may be fastened in this order.

The reducing portion fixing member 280 may be installed on one side of the corresponding support plate 240 so as to be fastened and fixed to at least one reducing portion 270 among the plurality of reducing portions 270 .

The assembly relationship according to the above configurations and the effect of the embodiment are described in detail as follows.

The vibration reduction module 200 is installed along the inner circumference of the case 100 .

A plurality of machining springs 210 are installed at each corner inside the case 100, and a module housing 220 is installed at each side inside the case 100.

The machining spring 210 is assembled to support the module housing 220 .

Inside the module housing 220, a plurality of fixing parts 230 protrude from one side and the other, and a support plate 240 is assembled to one side of the fixing part 230.

In order to support between the plurality of support plates 240 corresponding to face each other, a plurality of support parts 250 are assembled at regular intervals.

Meanwhile, a fixing plate 260 is formed at a predetermined distance from one support plate 240 of the plurality of support plates 240 .

A plurality of reduction units 270 are formed spaced at regular intervals in one direction of the fixed plate 260 .

In particular, the reduction unit 270 includes a fastening screw 2781 inside the reduction unit body 271 formed by the sensor protection member 274 having the vibration sensor 2741 protruding from the front end of the reduction unit body 271, and a shock absorber. A spring 2782, a locking part 278 coupled in order with a separation prevention ring 2783, and a shock absorber 277 are built in, and one end of the vibration spring 276 is inserted into the insertion protrusion 2771 of the shock absorber 277. It is inserted and the insertion member 2721 of the fitting member 272 is inserted into the other end, and the screw thread E of the reducing unit body 271 and the fitting member 272 are assembled.

The reducing portion fixing member 280 is installed and assembled on one side of the support plate 240 at a corresponding position so that it is fastened to and fixed to the reducing portion 270 .

The vibration reduction module 200 is supported inside the case 100 by the machining spring 210, and when an external shock is transmitted to the case 100, the vibration spring 276 and the shock absorber 277 of the reduction unit 270 There is an effect of reducing an external shock from being transmitted to the engine 10, the coolant heater 20, the power conversion unit 40, and the generator 30.

In addition, the vibration reduction module 200 measures the external shock with the vibration sensor 2741 of the reduction unit 270, calculates an average value of vibration, and displays the average value of the vibration on the vibration measuring unit 275 so that the manager periodically uses the terminal to reduce the effect. And it is possible to check whether the reduction unit 270 is out of order.

5 shows an embodiment of the dust removal module 300 of the coolant preheating device of the engine generator 30 according to the present invention.

Referring to FIG. 5 , the coolant preheating device of the engine generator 30 may further include a dust removal module 300 .

The dust removal module 300 is installed inside the lower surface of the case 100 and removes dust introduced into the case 100, harmful gases generated during engine operation, and heat from the engine 10 and the coolant heater 20 to the outside. can be released.

In addition, the dust removal module 300 may include an air tank 310 , an injection unit 320 and a pipe 330 .

The air tank 310 may be installed inside the case 100 to store compressed air and have a built-in pump operating under the control of an electrically connected control unit to supply compressed air.

6 and 8 show the injection unit 320 of the coolant preheating device of the engine generator 30 according to the present invention.

Referring to FIGS. 6 and 8 , a plurality of ejection units 320 may be inserted into a lower surface of the case 100 at a predetermined interval and spray compressed air into the case 100 .

In addition, the spraying unit 320 may include a pipe protecting member 321, a screw spraying unit 322, a spraying unit fastening unit 323, and a spraying unit fixing member 324.

The pipe protection member 321 has a pipe 330 embedded therein, and a spray groove 3211 through which compressed air supplied from the pipe 330 is injected at the central portion and a plurality of bolt holes D into which bolts can be inserted along the circumference are formed. It can be.

7 shows the overall configuration of the screw injection unit 322 of the coolant preheating device of the engine generator 30 according to the present invention.

Referring to FIG. 7 , the screw injection unit 322 has a fitting member 3221 protruding from one side so as to be fastened to the spray groove 3211 of the pipe protecting member 321, and the sprayed compression from the spray groove 3211 Air can be supplied by adding rotational force.

In addition, the screw ejection unit 322 is electrically connected to the cylindrical nozzle body 322A and the control unit, and is embedded in the nozzle body 322A to perform a rotational operation, and a screw fastening unit 322B-1 is formed along the circumference. A screw body 322B may be included.

At this time, the screw fastening unit 322B-1 may be fastened with a dust removal unit 322B-2 for removing dust introduced into the screw ejection unit 322.

In addition, the screw spraying unit 322 may include an auxiliary spraying unit 322C integrally connected to one end of the screw body 322B and selectively spraying compressed air under the control of the controller.

The auxiliary injection unit 322C may include a connection unit 322C-1 integrally connected to one end of the screw body 322B.

In addition, the auxiliary spraying unit 322C may include an auxiliary spraying nozzle 322C-2 integrally connected to the connection unit 322C-1 and selectively spraying compressed air.

The injection part fastening part 323 is formed with a body fixing member 3231 with a protruding central portion so that the screw injection part 322 is inserted, and a plurality of recesses and bolt holes C are spaced apart at regular intervals along the inner circumference. can be formed

The injection part fixing member 324 is fastened with a plurality of fitting grooves 3232 of the injection part fastening part 323 and has a through hole in the center so as to be inserted into the body fixing member 3231, and is spaced apart at a predetermined interval along the circumference to provide a plurality of bolt holes. (B) is formed, and a barrier portion 3241 formed with a plurality of bolt holes (A) may be provided to protrude on the upper surface so as to be bolted to the case 100.

A detailed description of the different assembly relationships and effects of the above configurations is as follows.

The dust removal module 300 is installed inside along the bottom surface of the case 100 .

The air tank 310 is installed inside the case 100 and is connected to the injection unit 320 through a pipe 330 .

In particular, the injection unit 320 connects and protects the pipe 330 by providing a pipe protection member 321 at the bottom.

The injection unit 320 includes a pipe protection member 321 to which the pipe 330 is connected, a screw injection unit 322 assembled in the injection groove 3211 of the pipe protection member 321, and a screw injection unit 322 at the center. The injection part fastening part 323 to be assembled and the injection part fixing member 324 inserted by the body fixing member 3231 are bolted to the bolt holes B to D in order and are integrally fastened.

In addition, it is assembled to fix the spraying part 320 by bolting with the case 100 by the bolt hole A of the spraying part fixing member 324 .

On the other hand, a screw fastening part 322B-1 is formed inside the nozzle body 322A of the screw spraying part 322 so that the dust removing part 322B-2 is fastened to the circumference, and the front end of the screw body 322B is formed. A screw body 322B having an auxiliary injection unit 322C is embedded therein.

In the dust removal module 300, the compressed air supplied from the air tank 310 is injected into the case 100 through the plurality of pipes 330 and the plurality of injection parts 320 under the control of the control unit, so that the case ( 100) has an effect of removing dust introduced into the interior or stacked on the engine 10, the coolant heater 20, the generator 30, and the power conversion unit.

In particular, in the dust removal module 300, the screw body 322B rotates under the control of the control unit to remove the dust introduced into the screw injection unit 322 through the dust removal unit 322B-2, and the screw body 322B The compressed air supplied through the pipe 330 by the rotation of ) is rotated and sprayed by adding rotational force, thereby having an effect of evenly injecting the compressed air into the case 100 .

In addition, in the dust removal module 300, the auxiliary injection nozzle 322C-2 of the auxiliary injection unit 322C is selectively opened under the control of the control unit, so that the amount of dust is large or compressed to form a circulating air flow inside the case 100. Air may be injected to assist the screw injection unit 322 .

Although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific embodiments described above, and is common in the art to which the present invention pertains without departing from the gist of the present invention claimed in the claims. Of course, various modifications are possible by those with knowledge of, and these modifications should not be individually understood from the technical spirit or prospect of the present invention.

engine(10)
Coolant Heater(20)
generator(30)
power conversion unit (40)
case(100)
cover part 110
Vibration Reduction Module (200)
Machining Spring(210)
module housing(220)
Fixing part (230)
support plate(240)
support (250)
Fixed Plate(260)
Reducing unit (270)
Reduction part body (271)
Thread (E)
Fitting member (272)
Insertion member (2721)
Sensor Bracket(273)
Sensor protection member (274)
Vibration Sensor(2741)
Sensor fixing ring (2742)
Vibration measurement unit (275)
Vibration Spring(276)
buffer(277)
Insertion protrusion (2771)
fastening(278)
fastening screws (2781)
Shock Absorber Spring (2782)
Breakaway Ring (2783)
Reduction part fixing member (280)
Dust removal module (300)
Air Tank(310)
injection unit 320
Pipe protection member (321)
Spray groove (3211)
Bolt hole (D)
Screw injection part (322)
Nozzle body (322A)
Screw body (322B)
Screw fastening part (322B-1)
Dust removal unit (322B-2)
Auxiliary injection part (322C)
Connection (322C-1)
Auxiliary Spray Nozzle (322C-2)
Fitting member (3221)
Injection part fastening part (323)
Body fixing member (3231)
Fitting groove (3232)
Bolt hole (C)
Injection part fixing member (324)
Bolt hole (B)
Bolt hole (A)
blunt jaw (3241)
pipe(330)

Claims (3)

an engine that produces rotational force;
In the cooling water preheating device of the engine generator comprising a,
a coolant heater connected to the engine to preheat coolant when the engine is stopped to increase lubricity of the engine;
a generator generating and supplying electric power by the engine;
A power conversion unit that electrically connects the engine and the generator to drive the engine and converts the power into power for generating electric power in the generator, and transmits the converted power;
including,
a case in which the engine, the coolant heater, the generator, and the power conversion unit are installed and protected, and a cover portion is provided so that an upper portion thereof can be opened;
a vibration reduction module installed along the inner circumference of the case to prevent vibration and noise generated during engine operation from being emitted to the outside;
a dust removal module installed inside the lower surface of the case to discharge dust introduced into the case, harmful gas generated during operation of the engine, and heat from the engine and the cooling water heater to the outside;
including,
The vibration reduction module,
a plurality of machining springs installed at each corner of the case to support the vibration reduction module;
a plurality of module housings installed on each side of the case and supported by the plurality of machining springs;
a plurality of fixing parts formed spaced apart from each other at predetermined intervals on one side and the other side of each of the plurality of module housings;
a plurality of support plates formed on one side of the plurality of fixing parts along the longitudinal direction of the module housing;
A plurality of support units installed at a predetermined interval to support between the plurality of support plates;
a plurality of fixed plates installed on one of the plurality of support plates;
a plurality of reducing units spaced apart at regular intervals in one direction of each of the plurality of fixing plates to attenuate an impact transmitted to the case;
a reduction unit fixing member installed on one side of the corresponding support plate so as to be fastened and fixed to at least one of the plurality of reduction units;
including,
The reduction unit,
It is provided in a cylindrical shape and has a screw thread (E) formed at the rear end of the reducing unit body;
A fitting member 272 fastened along the thread E of the reducing body and having an insertion member formed in the central portion;
a sensor bracket installed at the front end of the reducing body;
A sensor having a built-in vibration sensor for measuring vibration caused by an external impact, a plurality of sensor fixing rings for fixing the vibration sensor, a sensor fixed by the sensor bracket, and formed to protrude from the front end of the damper body. protection member;
a vibration measurement unit installed on one side of the damper body to calculate and display an average value of the vibrations measured by the vibration sensor;
a vibration spring inserted into the insertion member of the fitting member 272 to reduce external impact;
a shock absorber built into the damper body, having an insertion protrusion formed at the rear end to be inserted into the front end of the vibration spring, and having a built-in spring for reducing vibration;
A fastening part fastened in the order of a fastening screw at an upper end of the buffer unit, a buffer spring inserted into the fastening screw, and a release prevention ring preventing the buffer unit from being separated from the reducing unit body;
including,
The vibration reduction module,
Supported inside the case by the machining spring,
When an external shock is transmitted to the case, the vibration spring and the shock absorber of the reduction unit reduce the external shock,
An external shock is measured by the vibration sensor, and an average value of vibration is calculated and displayed on the vibration measuring unit,
The dust removal module,
an air tank that is installed inside the case to store compressed air and has a built-in pump that operates under the control of an electrically connected control unit to supply compressed air;
a plurality of injection units inserted into the lower surface of the case at regular intervals and injecting compressed air into the case;
a pipe integrally connected to each of the plurality of spraying units to move the compressed air sprayed from the air tank;
including,
the injection part,
a pipe protecting member in which the pipe is embedded and a plurality of bolt holes D into which bolts can be inserted along the circumference and an injection groove through which compressed air supplied from the pipe is injected at a central portion thereof;
A screw injection unit having a fitting member 3221 protruding from one side so as to be fastened to the injection groove of the pipe protection member and supplying compressed air injected from the injection groove by adding rotational force;
A body fixing member with a protruding central portion is formed so that the screw injection unit is inserted, and a plurality of injection unit fastening units are formed with a plurality of fitting grooves and bolt holes (C) spaced apart at regular intervals along the inner circumference;
The injection part fastening part is fastened with a plurality of the fitting grooves, and the center part is through to be inserted into the body fixing member, and a plurality of bolt holes (B) are formed along the circumference at regular intervals, and the upper surface is coupled with the case by bolts. A spraying part fixing member in which a plurality of bolt holes (A) are formed, and a protruding chin part is formed;
including,
The screw injection unit,
A nozzle body having a cylindrical shape;
A screw body built into the nozzle body and formed with a screw fastening part along the circumference in order to be electrically connected to the controller and rotated;
an auxiliary injection unit that is integrally connected to one end of the screw body and selectively injects compressed air under the control of the control unit;
including,
The auxiliary injection unit,
a connecting portion integrally connected to one end of the screw body;
an auxiliary spray nozzle that is integrally connected to the connection part and selectively sprays compressed air;
including,
The screw fastening part,
A dust removal unit for removing dust flowing into the screw injection unit is fastened,
The dust removal module,
Under the control of the control unit, compressed air supplied from the air tank is injected into the case through a plurality of pipes and a plurality of injection units,
Under the control of the control unit, the screw body is rotated to remove the dust introduced into the screw injection unit by the dust removal unit, and the compressed air supplied through the pipe by rotation is rotated and sprayed by adding rotational force,
The cooling water preheating device of the engine generator further comprises a feature in which the auxiliary injection nozzle of the auxiliary injection unit is opened by the control of the control unit to inject compressed air. delete delete

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