CN113107736A - Heating device, method and system and diesel generator - Google Patents
Heating device, method and system and diesel generator Download PDFInfo
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- CN113107736A CN113107736A CN202110427058.4A CN202110427058A CN113107736A CN 113107736 A CN113107736 A CN 113107736A CN 202110427058 A CN202110427058 A CN 202110427058A CN 113107736 A CN113107736 A CN 113107736A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
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Abstract
The present application provides a heating device, method, system and diesel generator, wherein the device comprises: the water jacket comprises a heat exchanger, a heater and a control assembly, wherein the heat exchanger is used for heating liquid water in the water jacket by using a target heat source and detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature, and the heater is controlled to heat the water jacket according to the target water temperature. In the technical scheme, the heat exchanger is connected with the target heat source, so that the liquid water in the water jacket connected with the heat exchanger can absorb the heat of the target heat source, the temperature of the liquid water after heat exchange in the water jacket is higher, the heating temperature and the heating time of the heater for the liquid water are reduced, the heater is prevented from being started for a long time, and the electric quantity consumption of the heater is effectively reduced.
Description
Technical Field
The application relates to the technical field of diesel generators, in particular to a heating device, a heating method, a heating system and a diesel generator.
Background
Data computer lab need keep the power supply constantly, and data computer lab all is equipped with emergent reserve diesel generating set usually, and when the power supply of data computer lab was cut off suddenly, diesel generating set need start immediately, as emergency power supply, for the power supply of data computer lab, diesel generator generally with outdoor intercommunication, outdoor temperature frequent change, diesel generating set receives low temperature easily and influences, unable quick start.
In the prior art, in order to ensure that the diesel generator can still be quickly started in a low-temperature environment, an electric heater is generally used for heating a water jacket of the diesel generator for a long time, and the water jacket is used for keeping the diesel generator at a normal temperature state all the time.
However, when the electric heater is used to heat the water jacket in the prior art, when the temperature of the outdoor environment is low, the electric heater needs to be in a starting state all the time, and a large amount of electric energy needs to be consumed.
Disclosure of Invention
The application provides a heating device, a heating method, a heating system and a diesel generator, which are used for solving the problem that the electric energy consumption of the existing electric heater is large.
In a first aspect, an embodiment of the present application provides a heating device, including: the control assembly is electrically connected with the heater, one end of the heat exchanger is connected with a water jacket of the diesel generator, and the other end of the heat exchanger is connected with a target heat source;
the heat exchanger is used for heating the liquid water in the water jacket by using the target heat source;
the control assembly is used for detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature, and controlling the heater to heat the water jacket according to the target water temperature, wherein the target water temperature is the water temperature of the liquid water in the water jacket after heat exchange is carried out between the liquid water and a target heat source through the heat exchanger.
In a possible design of the first aspect, the target heat source is a heat sink of a data room, and the heat sink of the data room is connected to the other end of the heat exchanger.
In another possible design of the first aspect, the control component is specifically configured to:
detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature;
and if the target water temperature is lower than the preset minimum water temperature, controlling the heater to start heating the water jacket.
And if the target water temperature is higher than the preset maximum water temperature, controlling the heater to stop heating the water jacket.
In yet another possible design of the first aspect, the heating device further includes a power source electrically connected to the control assembly;
the control component is used for controlling the heater to be electrically connected with the power supply or controlling the heater to be electrically disconnected with the power supply;
the heater is used for heating the water jacket when the heater is electrically connected with the power supply, or stopping heating the water jacket when the power supply is disconnected.
In yet another possible design of the first aspect, the control assembly includes a temperature control assembly and a switch assembly, the temperature control assembly is electrically connected to the power supply, one end of the switch assembly is electrically connected to the power supply, and the other end of the switch assembly is electrically connected to the heater;
the temperature control assembly is used for detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature, and when the target water temperature is lower than a preset lowest water temperature, the temperature control assembly controls the switch assembly to be closed, or when the target water temperature is higher than a preset highest water temperature, the temperature control assembly controls the switch assembly to be opened;
the switch assembly is used for controlling the heater to be electrically connected with the power supply when the switch assembly is closed or controlling the heater to be electrically disconnected with the power supply when the switch assembly is disconnected.
In yet another possible design of the first aspect, the switch assembly includes a contactor contact and a contactor coil, one end of the contactor contact is electrically connected to the power supply, the other end of the contactor contact is electrically connected to the heater, and the contactor coil is electrically connected to the temperature control assembly;
the temperature control assembly is used for controlling the contactor coil to conduct electricity when the target water temperature is lower than a preset minimum water temperature, or controlling the contactor coil to be powered off when the target water temperature is higher than a preset maximum water temperature;
when the contactor coil is conductive, the contactor contact is controlled to be closed, or when the contactor coil is powered off, the contactor contact is controlled to be opened;
and when the contactor contact is closed, the heater is controlled to be electrically connected with the power supply, or when the contactor contact is opened, the heater is controlled to be electrically disconnected with the power supply.
In yet another possible design of the first aspect, the temperature control assembly includes a first temperature control switch, a second temperature control switch, and a temperature controller, the first temperature control switch is electrically connected to the second temperature control switch, the second temperature control switch is electrically connected to the contactor coil, one end of the temperature controller is electrically connected to the power supply, and the other end of the temperature controller is electrically connected to the first temperature control switch;
the temperature controller is used for controlling the first temperature control switch and the second temperature control switch to be closed when the target water temperature is lower than a preset minimum water temperature, or controlling the first temperature control switch and/or the second temperature control switch to be opened when the target water temperature is higher than a preset maximum water temperature;
the first temperature control switch and the second temperature control switch are used for controlling the contactor coil to conduct electricity when the contactor coil is closed or controlling the contactor coil to be powered off when the contactor coil is disconnected.
In yet another possible design of the first aspect, the switch assembly further includes: and the contactor contact is electrically connected with the heater through the thermal relay.
The heating device further includes: and the temperature display is used for acquiring the target water temperature and displaying the target water temperature to a display interface of the temperature display.
In a second aspect, an embodiment of the present application provides a heating method, including:
detecting the water temperature of liquid water in a water jacket to obtain a target water temperature, wherein the water jacket is connected with one end of a heat exchanger, the other end of the heat exchanger is connected with a target heat source, and the target water temperature is the water temperature of the liquid water in the water jacket after heat exchange is carried out between the heat exchanger and the target heat source;
and heating the water jacket according to the target water temperature.
In a possible design of the second aspect, the heating the water jacket according to the target water temperature includes:
and if the target water temperature is lower than the preset minimum water temperature, controlling the heater to start heating the water jacket.
And if the target water temperature is higher than the preset maximum water temperature, controlling the heater to stop heating the water jacket.
The method provided by the second aspect can be applied to the heating device provided by the first aspect, and the implementation principle and the technical effect are similar, and are not described herein again.
In a third aspect, an embodiment of the present application provides a diesel generator, including: the water jacket is arranged on the diesel generator body, the water jacket is connected with one end of the heat exchanger, the other end of the heat exchanger is connected with a target heat source, and the heater is electrically connected with the control assembly;
the water jacket exchanges heat with a target heat source through the heat exchanger;
the control assembly is used for detecting the water temperature of liquid water in the water jacket to obtain a target water temperature, and the heater is controlled to heat the water jacket according to the target water temperature.
In one possible design of the third aspect, the diesel generator further includes: the first water pump is arranged on the water jacket;
the first water pump is used for conveying liquid water in the water jacket to the heat exchanger.
In a fourth aspect, the embodiment of the present application provides a heating system, which includes a target heat source and the diesel generator described above, the target heat source is connected to one end of a heater of the diesel generator, the other end of the heater is connected to a water jacket of the diesel generator, and liquid water in the water jacket exchanges heat with the target heat source through the heat exchanger.
In one possible design of the fourth aspect, the system further includes: the second water pump is arranged on the target heat source;
the second water pump is used for conveying liquid water in the target heat source to the heat exchanger.
In yet another possible design of the fourth aspect, the target heat source is a heat sink of a data room.
The heating device, the method and the system as well as the diesel generator provided by the embodiment of the application have the advantages that the heat exchanger is connected with the target heat source, so that the liquid water in the water jacket connected with the heat exchanger can absorb the heat of the target heat source, the temperature of the liquid water after heat exchange in the water jacket is higher, the heating temperature and the heating duration of the heater for the liquid water are reduced, the heater is prevented from being started for a long time for heating, and the electric quantity consumption of the heater is effectively reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application;
fig. 1 is a schematic view of a heating device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a first embodiment of a heating device provided in the present application;
fig. 3 is a schematic structural diagram of a second embodiment of a heating device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a third embodiment of a heating device provided in the embodiments of the present application;
fig. 5 is a schematic circuit diagram of a control component according to an embodiment of the present disclosure;
FIG. 6 is a schematic flow chart of a heating method provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a diesel generator according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a heating system according to an embodiment of the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms referred to in this application are explained first:
water jacket: the circulating heat exchange system is arranged between a cylinder body of the diesel generator and an inner shell and an outer shell of a cylinder cover, and has the functions of absorbing heat of a combustion chamber and the inner wall of the cylinder body of the diesel generator through liquid water, then dissipating heat of the liquid water after heat absorption through the flowing of outside air, recycling the liquid water after heat dissipation to a water jacket of the diesel generator, and absorbing heat generated during the operation of the diesel generator.
Fig. 1 is a schematic view of a scene of a heating device according to an embodiment of the present application, and as shown in fig. 1, an application scene of this embodiment is a data room, a large number of computer devices are disposed in the data room 10, and these computer devices need to have stable power supply, when an emergency power failure situation exists, a standby diesel generator set 11 needs to be rapidly and emergently started to supply power to the computer devices in the data room 10, and according to the power of the diesel generators, a general data room may be equipped with a plurality of diesel generators to form the diesel generator set 11, which is used as an emergency power supply facility.
In practical application, because the diesel generator set 11 is communicated with the outdoor environment, in winter with lower environmental temperature, the temperature of a combustion chamber of the diesel generator is reduced, a fit clearance between running parts of the diesel generator is changed, the starting resistance moment of the diesel generator is increased, and the diesel contains wax, so that the viscosity of the diesel is increased, the mobility is poor, even the wax is deposited, the diesel is solidified and can not flow when the temperature is lower in winter, and finally the diesel generator can not realize quick emergency starting, in the prior art, in order to ensure that the diesel generator can still be quickly started under the condition of low temperature, the liquid water in the water jacket is heated by configuring the water jacket heater, the water temperature of the water jacket of the diesel generator is kept within a set temperature range (about 25-35 ℃), and the diesel generator is indirectly heated due to the heat transfer of the liquid water, therefore, the phenomena of diesel oil condensation and the like are avoided, so that the diesel generator set is in a hot standby state, the diesel generator set can still be rapidly and emergently started in a low-temperature environment, full load is loaded in the shortest time, and the output power is stable. However, the water jacket heater used in the prior art needs to be opened for a long time to heat the water jacket, the water jacket heater generally uses electric heating, and the power of the water jacket heater equipped with a 2240KVA diesel generator is close to 10KW, so that in some regions with long-term cold climate, the water jacket heater consumes a large amount of electric energy.
In order to solve the above problems, embodiments of the present application provide a heating device, a heating method, a heating system, and a diesel generator, in which heat of a target heat source is transferred to liquid water in a water jacket by using a heat exchanger, so that the liquid water in the water jacket can be heated, and then a control module controls a heater to heat the heated liquid water, so as to reduce heating time of the heater, avoid a large number of circuits consumed by long-time heating of the heater, and simultaneously, the target heat source can be fully utilized, and energy utilization rate is improved.
The technical solution of the present application will be described in detail below with reference to specific examples. It should be noted that the following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 2 is a schematic structural diagram of a first embodiment of a heating device provided in the present application, where the heating device may be used to heat a water jacket of a diesel generator, and as shown in fig. 2, the heating device specifically includes a heat exchanger, a heater, and a control assembly, the control assembly is electrically connected to the heater, one end of the heat exchanger is connected to the water jacket of the diesel generator, and the other end of the heat exchanger is connected to a target heat source.
The heat exchanger is used for heating the liquid water in the water jacket by using a target heat source. The control assembly is used for detecting the water temperature of liquid water in the water jacket to obtain a target water temperature, and the heater is controlled to heat the water jacket according to the target water temperature.
The target water temperature is the water temperature of liquid water in the water jacket after heat exchange is carried out between the liquid water and a target heat source through the heat exchanger.
The heat exchanger can be a plate heat exchanger, the target heat source can be heat dissipation equipment of a data machine room, and the diesel generator can be used for being rapidly and emergently started when the data machine room is suddenly powered off, so that power supply of the data machine room is guaranteed.
The data room is provided with a large amount of computer equipment, the computer equipment generates a large amount of heat in the working process, the heat generated by the computer equipment is collected through the heat dissipation equipment of the data room, then the heat dissipation equipment is connected to the heat exchanger, and the heat is utilized by the heat exchanger to heat the liquid water in the water jacket.
For example, the heat dissipation device of the data room may be an air conditioning device, the water jacket is connected to one end of the heat exchanger through a first conduit, liquid water in the water jacket is conveyed to the heat exchanger through the first conduit, the heat dissipation device of the data room, that is, the air conditioning device is connected to the other end of the heat exchanger through a second conduit, coolant of the air conditioning device absorbs heat generated by the computer device in the data room and is conveyed to the heat exchanger through the second conduit, and the liquid water absorbs heat carried by the coolant in the heat exchanger to exchange heat and raise temperature.
Alternatively, the heater may be an electric heater, and the heater heats the liquid water after heat exchange under the control of the control assembly.
For example, the control component may include a temperature sensor, and the temperature of the liquid water flowing out of the heat exchanger is collected by arranging the temperature sensor at the outlet of the first conduit, and the temperature of the water is taken as the target water temperature.
For example, if the heater has a start-stop function, the control module may control the heater to be started or stopped according to the target water temperature, so as to heat the liquid water in the water jacket.
Optionally, if the output power of the heater is adjustable, the control module may also adjust the output power of the heater to control the heater to heat the liquid water in the water jacket, for example, when the target water temperature is close to the preset maximum water temperature, the output power of the heater is controlled to decrease, and when the target water temperature is close to the preset minimum water temperature, the output power of the heater is controlled to increase.
The embodiment of the application regards as the target heat source through the radiator who utilizes the data computer lab for liquid water in the water jacket can absorb the heat that the target heat source carried through the heat exchanger, thereby heat the liquid water in the water jacket and heat up, can the efficient utilize the heat of target heat source, and simultaneously, the control assembly can be according to the temperature of the liquid water after the heat transfer, the heating of control heater, the heating time of effectual reduction heater avoids the heater to start the heating for a long time, reduces the electric quantity consumption of heater.
On the basis of the above embodiments, in some embodiments, the control component may be specifically configured to:
detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature;
and if the target water temperature is lower than the preset minimum water temperature, controlling the heater to start heating the water jacket.
And if the target water temperature is higher than the preset maximum water temperature, controlling the heater to stop heating the water jacket.
The control component can be a temperature controller which controls the heater to heat the liquid water in the water jacket by detecting the temperature of the liquid water flowing out of the heat exchanger.
In this embodiment, the preset minimum water temperature can be set to 20 degrees centigrade, the preset maximum water temperature can be set to 25 degrees centigrade, if the water temperature of the liquid water flowing out of the heat exchanger after heat exchange is lower than 20 degrees centigrade, the control assembly controls the heater to start heating the liquid water flowing out of the heat exchanger, and when the water temperature of the liquid water after heating reaches more than 25 degrees centigrade, the control assembly controls the heater to stop heating the liquid water.
According to the embodiment of the application, the heating of the heater is controlled through the control assembly according to the preset lowest water temperature and the preset highest water temperature, the heater is prevented from being started for a long time, the liquid water in the water jacket is heated, the starting time of the heater is shortened, and the electric quantity consumption of the heater is reduced.
For example, in some embodiments, if the heating device includes a power source, and the control component is electrically connected to the power source, the control component may specifically be configured to: and controlling the heater to be electrically connected with a power supply or controlling the heater to be electrically disconnected with the power supply.
The heater is used for heating the water jacket when the heater is electrically connected with a power supply or stopping heating the water jacket when the power supply is disconnected.
In this embodiment, the control assembly can be a temperature sensing switch or other control devices, for example, the control assembly can be a thermal relay, the power supply is electrically connected with the control assembly, the control assembly is electrically connected with the heater, when the control assembly monitors that the temperature of the liquid water after heat exchange is lower than a preset minimum temperature, the control assembly is automatically closed, the heater obtains the power supply of the power supply, the liquid water in the water jacket starts to be heated, when the control assembly monitors that the temperature of the liquid water after heat exchange is higher than a preset maximum temperature, the control assembly is automatically opened, the heater loses the power supply of the power supply, and the liquid water in the water jacket stops being heated.
This application embodiment is through utilizing being connected between control assembly control heater and the power, can control opening of heater and stop, avoids the heater to be in the on-state for a long time, reduces the power consumption of heater.
Fig. 3 is a schematic structural diagram of a second embodiment of the heating device according to the present application, and as shown in fig. 3, the control assembly 30 may include a temperature control assembly 31 and a switch assembly 32.
The temperature control assembly 31 is electrically connected to the power source 36, one end of the switch assembly 32 is electrically connected to the power source 36, and the other end of the switch assembly 32 is electrically connected to the heater 33.
The temperature control assembly 31 is used for detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature, and when the target water temperature is lower than a preset lowest water temperature, the control switch assembly 32 is closed, or when the target water temperature is higher than a preset highest water temperature, the control switch assembly 32 is opened;
the switch assembly 32 is used to control the heater 33 to be electrically connected to the power source 36 when closed, or to control the heater 33 to be electrically disconnected from the power source 36 when open.
For example, the switch component 32 may be one or more switches, the temperature control component 31 may include a temperature sensor and a control mechanism, the temperature sensor may be disposed at the water outlet of the heater 33 and detect the temperature of the liquid water flowing out of the heater 33, the control mechanism may include a controller, a mechanical arm, and the like, and for example, when the controller detects that the temperature of the water exceeds a preset maximum water temperature, the mechanical arm is controlled to perform an action of opening the switch component 32, so that the heater 33 is disconnected from the power source 36, and the liquid water flowing into the water jacket of the diesel generator 35 is not heated by the heater.
The embodiment of the application monitors the water temperature of the liquid water which is changed from the heat exchanger through the temperature control assembly, and the water temperature control switch assembly is opened or closed, so that the heater is started when the water temperature is low, and is closed when the water temperature is high, the starting time of the heater is shortened, and the power consumption of the heater is reduced.
Fig. 4 is a schematic structural diagram of a third embodiment of the heating device provided in the embodiment of the present application, and as shown in fig. 4, the switch assembly 40 includes a contactor contact 41 and a contactor coil 42.
One end of the contactor contact 41 is electrically connected with the power supply 44, the other end of the contactor contact 41 is electrically connected with the heater 45, and the contactor coil 42 is electrically connected with the temperature control assembly 43;
the temperature control assembly 43 is used for controlling the contactor coil 42 to conduct electricity when the target water temperature is lower than a preset minimum water temperature, or controlling the contactor coil 42 to be powered off when the target water temperature is higher than a preset maximum water temperature;
when the contactor coil 42 is conductive, the contactor contact 41 is controlled to be closed, or when the power is off, the contactor contact 41 is controlled to be opened;
the contactor contact 41 controls the heater 43 to be electrically connected to the power source 44 when closing, or controls the heater 43 to be electrically disconnected from the power source 44 when opening.
In this embodiment, when the temperature control component 43 detects that the target water temperature is lower than the preset minimum water temperature, the contactor coil 42 passes through a current and generates a magnetic field, so that the corresponding contactor contact 41 is attracted, and the heater 43 is conducted with the power supply 44, so that the heater 43 heats the liquid water flowing out of the heat exchanger 45 and finally flows into the water jacket of the diesel generator 46. Further, when the contactor coil 42 does not flow a current, the magnetic field disappears and the corresponding contactor contact 41 opens.
This application embodiment is through utilizing contactor coil and contactor contact, and the circuit break-make between control source and the heater that can be more frequent and quick improves control assembly's stability and corresponding speed.
Fig. 5 is a schematic circuit structure diagram of a control assembly according to an embodiment of the present disclosure, and as shown in fig. 5, the temperature control assembly 50 includes a first temperature control switch SR-L, a second temperature control switch SR-H, and a temperature controller SR.
The first temperature control switch SR-L is electrically connected with the second temperature control switch SR-H, the second temperature control switch SR-H is electrically connected with the contactor coil km1, one end of the temperature controller SR is electrically connected with the power supply, and the other end of the temperature controller SR is electrically connected with the first temperature control switch SR-L.
The temperature controller SR is used for controlling the first temperature control switch SR-L and the second temperature control switch SR-H to be closed when the target water temperature is lower than the preset lowest water temperature, or controlling the first temperature control switch SR-L and/or the second temperature control switch SR-H to be opened when the target water temperature is higher than the preset highest water temperature;
the first temperature controlled switch SR-L and the second temperature controlled switch SR-H are used to control the contactor coil km1 to conduct electricity when closed or to control the contactor coil km1 to de-energize when open.
For example, the first temperature controlled switch SR-L may be in a normally open state and the second temperature controlled switch SR-H may be in a normally closed state.
In this embodiment, the power supply may include an input terminal L and an output terminal N. Illustratively, one end of the temperature controller SR is connected to the input terminal L of the power supply through the breaker QF2, and the other end of the temperature controller SR is connected to the output terminal N of the power supply.
When the contactor coil KM1 is conductive, the contactor contact KM1 is attracted, at the moment, the heater is communicated with the input end L of the power supply, so that the heater is powered and started to heat the liquid water in the water jacket.
For example, the contactor contact KM1 may be connected to the input terminal L of the power supply through a breaker QF1, and the breaker QF1 may be manually operated by an operator in an emergency state to cut off the power supply to the heater.
Further, when the contactor coil KM1 was de-energized, the contactor contact KM1 opened, the heater lost power, and heating of the liquid water in the water jacket was stopped.
This application embodiment is through setting up first temperature detect switch and second temperature detect switch for temperature controller controls different temperature detect switch and opens or close according to the target temperature, with the electrically conductive or outage of control contactor coil, improves control assembly's stability and security.
Optionally, on the basis of the above embodiment, the switch assembly further includes a thermal relay, wherein the contactor contact is electrically connected to the heater through the thermal relay.
In this embodiment, the thermal relay may monitor the water temperature of the liquid water in the water jacket, and when the water temperature of the liquid water is too high, the thermal relay is automatically turned off, so that the heater cannot be supplied with power to stop heating the liquid water in the water jacket. For example, the temperature of water required by the thermal relay to be automatically switched off is higher than the preset maximum water temperature, so that the safety of the control assembly is guaranteed, and the water temperature in the water jacket is prevented from being too high.
For example, the heating device may further include a temperature display, and the temperature display may be connected to the control component, and the target water temperature of the liquid water flowing out of the heat exchanger after heat exchange is acquired by the control component and displayed on the display interface, so that an operator can know the water temperature of the liquid water in real time.
The above embodiments describe the heating device provided in the embodiments of the present application in detail, and the heating method of the heating device is explained below, and for the parts not mentioned in the embodiments of the method, the descriptions of the above embodiments can be referred to.
Fig. 6 is a schematic flow chart of a heating method provided in an embodiment of the present application, which may be applied to the heating apparatus of the foregoing embodiment, as shown in fig. 6, the method includes the following steps:
s601, detecting the water temperature of the liquid water in the water jacket to obtain the target water temperature.
The water jacket is connected with one end of the heat exchanger, the other end of the heat exchanger is connected with a target heat source, and the target water temperature is the water temperature of liquid water in the water jacket after heat exchange is carried out between the liquid water and the target heat source through the heat exchanger.
And S602, heating the water jacket according to the target water temperature.
For example, on the basis of the foregoing embodiment, as an example, the step S602 may be specifically implemented by the following steps:
and if the target water temperature is lower than the preset minimum water temperature, controlling the heater to start heating the water jacket.
And if the target water temperature is higher than the preset maximum water temperature, controlling the heater to stop heating the water jacket.
In this embodiment, the heater may be controlled to be powered on to start the heater to heat the water jacket, or the heater may be controlled to be powered off to stop the heater to stop heating the water jacket.
Fig. 7 is a schematic structural diagram of a diesel generator provided in an embodiment of the present application, and the diesel generator can be used as an emergency power supply device of a data computer room, and when a normal power supply line of the data computer room is cut off, the diesel generator can be rapidly started in an emergency, so as to provide a power supply guarantee for the data computer room.
As shown in fig. 7, the diesel generator includes: diesel generator body 71, water jacket 72, heat exchanger 75, heater 76 and control assembly 77.
The water jacket 72 is provided in the diesel generator body 71, the water jacket 72 is connected to one end of the heat exchanger 75, the other end of the heat exchanger 75 is connected to a target heat source, and the heater 76 is electrically connected to the control unit 77.
Specifically, the water jacket 72 exchanges heat with the target heat source through the heat exchanger 75. The control unit 77 is configured to detect the water temperature of the liquid water in the water jacket 73 to obtain a target water temperature, and control the heater 76 to heat the water jacket 72 according to the target water temperature.
Illustratively, the diesel generator is further provided with a first water pump 73, the first water pump 73 can be arranged on a first conduit 74 of the water jacket, and the first water pump 73 is used for conveying liquid water in the water jacket 72 to the heat exchanger 75.
Further, after the liquid water in the water jacket 72 completes heat exchange in the heat exchanger 75, the first water pump 73 may further deliver the liquid water after heat exchange to the water jacket 72 of the diesel generator through the first conduit 74 to supply heat to the diesel generator, so as to ensure that the diesel generator can be constantly at a hot start temperature.
Illustratively, the heat exchanger 75 may be in communication with a target heat source via a conduit.
Fig. 8 is a schematic structural diagram of a heating system provided in an embodiment of the present application, and as shown in fig. 8, the heating system includes a target heat source 81 and the diesel generator described above.
The water jacket 87 of the diesel generator exchanges heat with the target heat source 81 through the heat exchanger 84.
Illustratively, the heating system further comprises a second water pump 83, the target heat source 81 can be cooling liquid carrying a large amount of heat, and the second water pump 83 conveys the cooling liquid in the target heat source to a heat exchanger 84 of the diesel generator through a second conduit 82, and the carried heat is transferred to liquid water in a water jacket 87 in the diesel generator through the heat exchanger 84.
When the heat exchanger 84 extracts the heat carried by the target heat source and completes heat exchange, the heat flows through the heater 88 through the first conduit 85, the heater 88 is controlled by the control assembly 89 to heat, and finally the heated water is conveyed to the water jacket 87.
Alternatively, the target heat source may be heat dissipation equipment of the data room, and for example, the heat dissipation equipment (e.g., air conditioning equipment) includes a refrigerant carrying a large amount of heat, the refrigerant absorbs heat generated by computer equipment in the data room, and the heat generated by the computer equipment in the data room is transferred to liquid water in a water jacket of the diesel generator by conveying the refrigerant to the heat exchanger.
In the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship; in the formula, the character "/" indicates that the preceding and following related objects are in a relationship of "division". "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
It is to be understood that the various numerical references referred to in the embodiments of the present application are merely for convenience of description and distinction and are not intended to limit the scope of the embodiments of the present application. In the embodiment of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiment of the present application.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (16)
1. A heating device, comprising: the control assembly is electrically connected with the heater, one end of the heat exchanger is connected with a water jacket of the diesel generator, and the other end of the heat exchanger is connected with a target heat source;
the heat exchanger is used for heating the liquid water in the water jacket by using the target heat source;
the control assembly is used for detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature, and controlling the heater to heat the water jacket according to the target water temperature, wherein the target water temperature is the water temperature of the liquid water in the water jacket after heat exchange is carried out between the liquid water and a target heat source through the heat exchanger.
2. The apparatus of claim 1, wherein the target heat source is a heat sink of a data room, and the heat sink of the data room is connected to the other end of the heat exchanger.
3. The device according to claim 1, characterized in that the control component is specifically configured to:
detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature;
if the target water temperature is lower than the preset minimum water temperature, controlling the heater to start heating the water jacket;
and if the target water temperature is higher than the preset maximum water temperature, controlling the heater to stop heating the water jacket.
4. The device of claim 1, wherein the heating device further comprises a power source electrically connected to the control assembly;
the control component is used for controlling the heater to be electrically connected with the power supply or controlling the heater to be electrically disconnected with the power supply;
the heater is used for heating the water jacket when the heater is electrically connected with the power supply, or stopping heating the water jacket when the power supply is disconnected.
5. The apparatus of claim 4, wherein the control assembly comprises a temperature control assembly and a switch assembly, the temperature control assembly is electrically connected to the power source, one end of the switch assembly is electrically connected to the power source, and the other end of the switch assembly is electrically connected to the heater;
the temperature control assembly is used for detecting the water temperature of the liquid water in the water jacket to obtain a target water temperature, and when the target water temperature is lower than a preset lowest water temperature, the temperature control assembly controls the switch assembly to be closed, or when the target water temperature is higher than a preset highest water temperature, the temperature control assembly controls the switch assembly to be opened;
the switch assembly is used for controlling the heater to be electrically connected with the power supply when the switch assembly is closed or controlling the heater to be electrically disconnected with the power supply when the switch assembly is disconnected.
6. The apparatus of claim 5, wherein the switch assembly comprises a contactor contact and a contactor coil, wherein one end of the contactor contact is electrically connected to the power source, the other end of the contactor contact is electrically connected to the heater, and the contactor coil is electrically connected to the temperature control assembly;
the temperature control assembly is used for controlling the contactor coil to conduct electricity when the target water temperature is lower than a preset minimum water temperature, or controlling the contactor coil to be powered off when the target water temperature is higher than a preset maximum water temperature;
when the contactor coil is conductive, the contactor contact is controlled to be closed, or when the contactor coil is powered off, the contactor contact is controlled to be opened;
and when the contactor contact is closed, the heater is controlled to be electrically connected with the power supply, or when the contactor contact is opened, the heater is controlled to be electrically disconnected with the power supply.
7. The apparatus of claim 6, wherein the temperature control assembly comprises a first temperature control switch, a second temperature control switch and a temperature controller, the first temperature control switch is electrically connected with the second temperature control switch, the second temperature control switch is electrically connected with the contactor coil, one end of the temperature controller is electrically connected with the power supply, and the other end of the temperature controller is electrically connected with the first temperature control switch;
the temperature controller is used for controlling the first temperature control switch and the second temperature control switch to be closed when the target water temperature is lower than a preset minimum water temperature, or controlling the first temperature control switch and/or the second temperature control switch to be opened when the target water temperature is higher than a preset maximum water temperature;
the first temperature control switch and the second temperature control switch are used for controlling the contactor coil to conduct electricity when the contactor coil is closed or controlling the contactor coil to be powered off when the contactor coil is disconnected.
8. The apparatus of claim 6, wherein the switch assembly further comprises: and the contactor contact is electrically connected with the heater through the thermal relay.
9. The apparatus of any one of claims 1-8, wherein the heating device further comprises: and the temperature display is used for acquiring the target water temperature and displaying the target water temperature to a display interface of the temperature display.
10. A heating method, characterized by being applied to the heating apparatus of any one of claims 1 to 9, the method comprising the steps of:
detecting the water temperature of liquid water in a water jacket to obtain a target water temperature, wherein the water jacket is connected with one end of a heat exchanger, the other end of the heat exchanger is connected with a target heat source, and the target water temperature is the water temperature of the liquid water in the water jacket after heat exchange is carried out between the heat exchanger and the target heat source;
and heating the water jacket according to the target water temperature.
11. The method of claim 10, wherein said heating the water jacket according to the target water temperature comprises:
if the target water temperature is lower than the preset minimum water temperature, controlling the heater to start heating the water jacket;
and if the target water temperature is higher than the preset maximum water temperature, controlling the heater to stop heating the water jacket.
12. A diesel generator, comprising: the water jacket is arranged on the diesel generator body, the water jacket is connected with one end of the heat exchanger, the other end of the heat exchanger is connected with a target heat source, and the heater is electrically connected with the control assembly;
the water jacket exchanges heat with a target heat source through the heat exchanger;
the control assembly is used for detecting the water temperature of liquid water in the water jacket to obtain a target water temperature, and the heater is controlled to heat the water jacket according to the target water temperature.
13. The diesel generator of claim 12, further comprising: the first water pump is arranged on the water jacket;
the first water pump is used for conveying liquid water in the water jacket to the heat exchanger.
14. A heating system, characterized by comprising a target heat source and the diesel generator of any one of claims 12 to 13, wherein the target heat source is connected with one end of a heater of the diesel generator, the other end of the heater is connected with a water jacket of the diesel generator, and liquid water in the water jacket exchanges heat with the target heat source through the heat exchanger.
15. The system of claim 14, further comprising: the second water pump is arranged on the target heat source;
the second water pump is used for conveying liquid water in the target heat source to the heat exchanger.
16. The system of claim 14, wherein the target heat source is a heat sink of a data room.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110427058.4A CN113107736A (en) | 2021-04-20 | 2021-04-20 | Heating device, method and system and diesel generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110427058.4A CN113107736A (en) | 2021-04-20 | 2021-04-20 | Heating device, method and system and diesel generator |
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| CN202110427058.4A Pending CN113107736A (en) | 2021-04-20 | 2021-04-20 | Heating device, method and system and diesel generator |
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Application publication date: 20210713 |