CN104317330A - Prefabricated cabin, and temperature control system and temperature control method thereof - Google Patents
Prefabricated cabin, and temperature control system and temperature control method thereof Download PDFInfo
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- CN104317330A CN104317330A CN201410477559.3A CN201410477559A CN104317330A CN 104317330 A CN104317330 A CN 104317330A CN 201410477559 A CN201410477559 A CN 201410477559A CN 104317330 A CN104317330 A CN 104317330A
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Abstract
The invention, which belongs to the technical field of the intelligent transformer station control, relates to a prefabricated cabin, and a temperature control system and temperature control method thereof. With fully utilization of the prefabricated cabin space, a phase-change material is installed in a gap between cabinets, thereby realizing surrounding temperature adjustment based on heat absorption and heat releasing of the phase-change material during the solid-liquid transformation process. If the temperature is still not in the needed temperature range after adjustment of the phase-change material, the air conditioner inside the prefabricated cabin is controlled to be turned on. According to the invention, with the control system, intelligent control of the temperature inside the prefabricated cabin can be completed based on cooperation with the air conditioner in the prefabricated cabin, thereby achieving objectives of energy conservation and operating cost reduction.
Description
Technical field
The present invention relates to a kind of prefabricated cabin and temperature control system thereof and Temp. control method, belong to intelligent substation control technology field.
Background technology
Urban land and space resources more and more rare, electrical network expropriation of land more and more difficult.Save the area, preserve the ecological environment, densification, integrated form must be adopted to design.Prefabricated cabin, as saving the Important Action taken up an area, has started in the construction for transformer station.It is mainly used in placing secondary device and screen cabinet.But because prefabricated cabin is positioned over the vacant lot of nearly primary equipment, running environment is compared master-control room and is differed from many.Particularly the secondary device aging effects of change to its inside of temperature is larger.At present the temperature of prefabricated cabin is controlled by the realization that installs an air-conditioner in prefabricated cabin, but the power consumption of air-conditioning own is large, and automatic control cannot be realized, run in the opposite direction with the aim of energy-conserving and environment-protective.
Summary of the invention
The object of this invention is to provide a kind of prefabricated cabin and temperature control system thereof and Temp. control method, to solve temperature in current prefabricated cabin, to control the large cost of power consumption high, and cannot realize the problem that automatically controls.
The present invention is for solving the problems of the technologies described above and providing a kind of prefabricated cabin, comprise the some racks be arranged in prefabricated cabin, in the gap of described rack and rack, phase-change material is installed, also be provided with in described prefabricated cabin and comprise air-conditioning, first temperature sensor and controller, the output terminal of first sensor is connected with the input end of controller, the output terminal control linkage air-conditioning of controller, described phase-change material is used for carrying out the absorption of energy according to the temperature of its installed position and discharging to regulate temperature, described controller is used for the start and stop controlling air-conditioning according to the temperature in the prefabricated cabin of the first temperature sensor collection.
Phase-change material place in described prefabricated cabin in rack and rack gap is provided with the second temperature sensor, and the output terminal of this temperature sensor is connected with the input end of controller.
Described phase-change material adopts high density polyethylene to encapsulate, and is installed in the gap of rack and rack with the form of packaged tabular.
The invention provides a kind of prefabricated cabin temperature control system, this temperature control system comprises air-conditioning, the first temperature sensor, controller and is arranged on the phase-change material in prefabricated cabin in rack and rack gap, the output terminal of the first temperature sensor is connected with the input end of controller, the output terminal control linkage air-conditioning of controller, described phase-change material is used for carrying out the absorption of energy according to the temperature of its installed position and discharging to regulate temperature, and described controller is used for the start and stop controlling air-conditioning according to the temperature in the prefabricated cabin of the first temperature sensor collection.
Described temperature control system also comprises the second temperature sensor being arranged on phase-change material place, and the output terminal of this temperature sensor is connected with the input end of controller.
Described phase-change material adopts high density polyethylene to encapsulate, and is installed in the gap of rack and rack with the form of packaged tabular.
Present invention also offers a kind of prefabricated cabin Temp. control method, this Temp. control method comprises the following steps:
1) phase-change material is arranged on rack and rack gap location in prefabricated cabin;
2) when judging in prefabricated cabin, whether temperature variation reaches the first setting value, if reach setting value, the neither endothermic nor exothermic in the soliqueous transfer process of the phase-change material of rack and rack gap location is utilized to slow down the change of temperature in cabin;
3) judge whether the temperature in cabin continues change and reach the second design temperature, if reach the second design temperature, the air-conditioning started in cabin carries out freezing or heating.
Described phase-change material adopts high density polyethylene to encapsulate, and is installed in the gap of rack and rack with the form of packaged tabular.
First design temperature of the temperature-rise period in described temperature variation is 23 DEG C, and the first design temperature of temperature-fall period is 19 DEG C.
Second design temperature of the temperature-rise period in described temperature variation is 25 DEG C, and the second design temperature of temperature-fall period is 20 DEG C.
The invention has the beneficial effects as follows: the present invention makes full use of prefabricated cabin space, in the gap of rack and rack, phase-change material is installed, phase-change material is utilized to realize the adjustment of environment temperature at the heat absorption and release of solid-liquid transformation process, if regulate descendant still not in temperature required scope through phase-change material, then the air-conditioning controlled in prefabricated cabin is opened.The present invention utilizes control system to make it coordinate the Based Intelligent Control of temperature in prefabricated cabin with the air-conditioning in prefabricated cabin, to reach economize energy, to reduce the object of operating cost.
Accompanying drawing explanation
Fig. 1 is prefabricated cabin temperature control system principle schematic in the embodiment of the present invention;
Fig. 2 is prefabricated cabin schematic layout pattern in the embodiment of the present invention;
Fig. 3 is prefabricated cabin temperature-fall period process flow diagram in the embodiment of the present invention;
Fig. 4 is prefabricated cabin temperature-rise period process flow diagram in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
The embodiment of a kind of prefabricated cabin of the present invention
Because prefabricated cabin inner space is larger, different regional temperature values is not quite alike, the temperature of interior of equipment cabinet should be crossed channel temp than prefabricated cabin and exceed about 5 DEG C, and the temperature of cabinet inside can exceed about 5 DEG C than the temperature of rack, and the temperature of prefabricated cabin inside controls at 18 DEG C-25 DEG C as the most suitable.Phase-change material refers to and varies with temperature and change the material that physical property also can provide latent heat, and the process changing physical property is called phase transition process, and at this moment phase-change material will absorb or discharge a large amount of latent heat.Therefore the present invention will realize temperature adjustment by phase-change material in prefabricated cabin.
As shown in Figure 2, prefabricated cabin of the present invention comprises cabin body, and the air-conditioning, the first temperature sensor, controller CPU and the some racks that are arranged in the body of cabin, in the gap of rack and rack, phase-change material is installed, here complex inorganic salt catalyst selected by phase-change material, phase-change material is encapsulated by HDPE material (high density polyethylene), and it is directly installed in the gap of rack and rack 200mm with the form of packaged tabular.Phase-change material place is provided with the second temperature sensor, as shown in Figure 1, first temperature sensor is connected with the input end of controller with the output terminal of the second temperature sensor, the output terminal control linkage air-conditioning of controller, phase-change material is used for carrying out the absorption of energy according to the temperature of its installed position and discharging to regulate temperature, and controller is used for the start and stop controlling air-conditioning according to the temperature in the prefabricated cabin of temperature sensor collection.This prefabricated cabin temperature controls as follows:
1) temperature-fall period
When ambient temperature raises, when first temperature sensor detects that the temperature in prefabricated cabin arrives about 23 DEG C time (temperature that the second temperature sensor of phase-change material installation site detects is about 28 DEG C), reach the fusing point of phase-change material, phase-change material starts by solid-state to liquid conversion, in this process, phase-change material starts to absorb heat, environment temperature is reduced, slow down the rising of temperature, if phase-change material from solid-state become the temperature in prefabricated cabin can be controlled below 25 DEG C in liquid process time, controller CPU will not restart air-conditioning, realize temperature by phase-change material completely to regulate, if the constant temperature in prefabricated cabin rises, when detecting that temperature reaches 25 DEG C by the first temperature sensor, controller CPU starts air-conditioning and directly freezes, and the temperature of prefabricated cabin is controlled below 25 DEG C, and controls air-conditioning when the temperature of prefabricated cabin inside is reduced to about 20 DEG C and quit work.
2) temperature-rise period
Along with the reduction of ambient temperature, the temperature of prefabricated cabin inside starts to reduce, when prefabricated cabin first temperature sensor detect internal temperature be reduced to 19 DEG C (phase-change material place install the second temperature sensor detect temperature be 24 DEG C and following) time, phase-change material starts to be become from liquid state solid-state, and releases heat, ambient temperature is made to increase, slow down the decline of temperature in cabin, judge that phase-change material is becoming temperature in liquid process in prefabricated cabin whether more than 20 DEG C from solid-state, if controller CPU will not restart air-conditioning, realize temperature by phase-change material completely to regulate, if when now the first temperature sensor detects that the temperature of prefabricated cabin inside is below 20 DEG C, control CPU starts air-conditioning heating, and the temperature of prefabricated cabin is controlled below 20 DEG C, and controls air-conditioning when the temperature of prefabricated cabin inside is reduced to about 22 DEG C and quit work.
The embodiment of a kind of prefabricated cabin temperature control system of the present invention
Prefabricated cabin temperature control system in the present embodiment as shown in Figure 1, comprise air-conditioning, the first temperature sensor, the second temperature sensor, controller CPU and be arranged on the phase-change material in prefabricated cabin in rack and rack gap, complex inorganic salt catalyst selected by phase-change material in the present embodiment, this phase-change material is 28 DEG C by the initial temperature of solid-liquid, the initial temperature of liquid-solid is 24 DEG C, material is exist with the form of solid-liquid at 24 DEG C to 28 DEG C, is the intermediateness that solid-liquid transforms.Phase-change material adopts HDPE material (high density polyethylene) to encapsulate, and it is directly installed in the gap of rack and rack 200mm with the form of packaged tabular.
First temperature sensor is connected with the input end of controller with the output terminal of the second temperature sensor, the output terminal control linkage air-conditioning of controller, phase-change material is used for carrying out the absorption of energy according to the temperature of its installed position and discharging to regulate temperature, and controller is used for the start and stop controlling air-conditioning according to the temperature in the prefabricated cabin of temperature sensor collection.The actual temp control procedure of this prefabricated cabin temperature control system has been described in detail in the embodiment of a kind of prefabricated cabin of the present invention, and it is no longer repeated here.
The embodiment of a kind of prefabricated cabin Temp. control method of the present invention
Prefabricated cabin Temp. control method of the present invention adopts phase-change material and air-conditioning to coordinate and realizes, and the method specifically comprises the following steps:
1. phase-change material is arranged on rack and rack gap location in prefabricated cabin, here phase-change material adopts HDPE material (high density polyethylene) to encapsulate, it is directly installed in the gap of rack and rack with the form of packaged tabular, phase-change material in the present embodiment is complex inorganic salt catalyst, this phase-change material is 28 DEG C by the initial temperature of solid-liquid, the initial temperature of liquid-solid is 24 DEG C, being exist with the form of solid-liquid at 24 DEG C to 28 DEG C, is the intermediateness that solid-liquid transforms.
2. when judging in prefabricated cabin, whether temperature variation reaches the first setting value, if reach setting value, the neither endothermic nor exothermic in the soliqueous transfer process of the phase-change material of rack and rack gap location is utilized to slow down the change of temperature in cabin, first design temperature of temperature-rise period is 23 DEG C, and the first design temperature of temperature-fall period is 19 DEG C.When the temperature in prefabricated cabin arrives about 23 DEG C time (temperature of phase-change material installation site is about 28 DEG C), phase-change material starts to become liquid state from solid-state, absorbs heat, slows down the rising of environment temperature; When prefabricated cabin internal temperature is reduced to 19 DEG C (position temperature 24 DEG C and following that phase-change material is installed), phase-change material starts to be become from liquid state solid-state, and releases heat, slows down the decline of environment temperature.
3. judge whether the temperature in cabin continues change and reach the second design temperature, if reach the second design temperature, the air-conditioning started in cabin carries out freezing or heating, and the second design temperature of temperature-rise period is 25 DEG C, and the second design temperature of temperature-fall period is 20 DEG C.If phase-change material from solid-state become the temperature in prefabricated cabin can be controlled below 25 DEG C in liquid process time, air-conditioning does not need to start, otherwise, start air-conditioning directly to freeze, the temperature of prefabricated cabin is controlled below 25 DEG C, and controls air-conditioning when the temperature of prefabricated cabin inside is reduced to about 20 DEG C and quit work.If phase-change material become from liquid state the temperature in prefabricated cabin can be controlled more than 20 DEG C in solid-state process time, air-conditioning does not need to start, otherwise, then start air-conditioning directly to freeze, the temperature of prefabricated cabin is controlled more than 20 DEG C, and controls air-conditioning when the temperature of prefabricated cabin inside is reduced to about 20 DEG C and quit work.
By reference to the accompanying drawings the enforcement of patent of the present invention is described above; but patent of the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under the enlightenment of patent of the present invention; do not departing under the ambit that patent aim of the present invention and claim protect, also can make a lot of form, these all belong within the protection domain of patent of the present invention.
Claims (10)
1. a prefabricated cabin, comprise the some racks be arranged in prefabricated cabin, it is characterized in that, in the gap of described rack and rack, phase-change material is installed, also be provided with in described prefabricated cabin and comprise air-conditioning, first temperature sensor and controller, the output terminal of first sensor is connected with the input end of controller, the output terminal control linkage air-conditioning of controller, described phase-change material is used for carrying out the absorption of energy according to the temperature of its installed position and discharging to regulate temperature, described controller is used for the start and stop controlling air-conditioning according to the temperature in the prefabricated cabin of the first temperature sensor collection.
2. prefabricated cabin according to claim 1, is characterized in that, the phase-change material place in described prefabricated cabin in rack and rack gap is provided with the second temperature sensor, and the output terminal of this temperature sensor is connected with the input end of controller.
3. prefabricated cabin according to claim 1 and 2, is characterized in that, described phase-change material adopts high density polyethylene to encapsulate, and is installed in the gap of rack and rack with the form of packaged tabular.
4. a prefabricated cabin temperature control system, it is characterized in that, this temperature control system comprises air-conditioning, the first temperature sensor, controller and is arranged on the phase-change material in prefabricated cabin in rack and rack gap, the output terminal of the first temperature sensor is connected with the input end of controller, the output terminal control linkage air-conditioning of controller, described phase-change material is used for carrying out the absorption of energy according to the temperature of its installed position and discharging to regulate temperature, and described controller is used for the start and stop controlling air-conditioning according to the temperature in the prefabricated cabin of the first temperature sensor collection.
5. prefabricated cabin temperature control system according to claim 4, is characterized in that, described temperature control system also comprises the second temperature sensor being arranged on phase-change material place, and the output terminal of this temperature sensor is connected with the input end of controller.
6. the prefabricated cabin temperature control system according to claim 4 or 5, is characterized in that, described phase-change material adopts high density polyethylene to encapsulate, and is installed in the gap of rack and rack with the form of packaged tabular.
7. a prefabricated cabin Temp. control method, is characterized in that, this Temp. control method comprises the following steps:
1) phase-change material is arranged on rack and rack gap location in prefabricated cabin;
2) when judging in prefabricated cabin, whether temperature variation reaches the first setting value, if reach setting value, the neither endothermic nor exothermic in the soliqueous transfer process of the phase-change material of rack and rack gap location is utilized to slow down the change of temperature in cabin;
3) judge whether the temperature in cabin continues change and reach the second design temperature, if reach the second design temperature, the air-conditioning started in cabin carries out freezing or heating.
8. prefabricated cabin Temp. control method according to claim 7, is characterized in that, described phase-change material adopts high density polyethylene to encapsulate, and is installed in the gap of rack and rack with the form of packaged tabular.
9. prefabricated cabin Temp. control method according to claim 8, is characterized in that, the first design temperature of the temperature-rise period in described temperature variation is 23 DEG C, and the first design temperature of temperature-fall period is 19 DEG C.
10. prefabricated cabin Temp. control method according to claim 8, is characterized in that, the second design temperature of the temperature-rise period in described temperature variation is 25 DEG C, and the second design temperature of temperature-fall period is 20 DEG C.
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| CN201410477559.3A CN104317330A (en) | 2014-05-28 | 2014-09-18 | Prefabricated cabin, and temperature control system and temperature control method thereof |
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| CN201410230744.2 | 2014-05-28 | ||
| CN201410230744 | 2014-05-28 | ||
| CN201410477559.3A CN104317330A (en) | 2014-05-28 | 2014-09-18 | Prefabricated cabin, and temperature control system and temperature control method thereof |
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Cited By (10)
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| CN104991583A (en) * | 2015-06-30 | 2015-10-21 | 许继电气股份有限公司 | Prefabricated cabin temperature control method, prefabricated cabin temperature control system and prefabricated cabin |
| CN105071251A (en) * | 2015-07-17 | 2015-11-18 | 许继电气股份有限公司 | Prefabricated cabin temperature control system and secondary equipment prefabricated cabin using the system |
| CN105807806A (en) * | 2016-04-21 | 2016-07-27 | 陈丹燕 | Temperature monitoring method for electric power cabinet and electric power cabinet |
| CN108521094A (en) * | 2018-04-27 | 2018-09-11 | 青岛特锐德电气股份有限公司 | Prefabricated cabin substation with automatic temperature-adjusting function and its temperature control method |
| CN108551103A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | Modularization prefabricated cabin substation and its heat dissipating method |
| CN108551102A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | With the prefabricated cabin substation of phase-changing and temperature-regulating function and its temperature control method |
| CN108565729A (en) * | 2018-04-27 | 2018-09-21 | 青岛特锐德电气股份有限公司 | The temperature automatically controlled method of prefabricated cabin substation |
| CN108574221A (en) * | 2018-04-27 | 2018-09-25 | 青岛特锐德电气股份有限公司 | Prefabricated cabin substation and its heat dissipating method |
| CN108666904A (en) * | 2018-04-27 | 2018-10-16 | 青岛特锐德电气股份有限公司 | Prefabricated cabin, assemble method and prefabricated cabin substation |
| CN108683116A (en) * | 2018-04-27 | 2018-10-19 | 青岛特锐德电气股份有限公司 | Prefabricated cabin composite panel, processing method and prefabricated cabin substation |
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Cited By (16)
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| CN104991583A (en) * | 2015-06-30 | 2015-10-21 | 许继电气股份有限公司 | Prefabricated cabin temperature control method, prefabricated cabin temperature control system and prefabricated cabin |
| CN105071251A (en) * | 2015-07-17 | 2015-11-18 | 许继电气股份有限公司 | Prefabricated cabin temperature control system and secondary equipment prefabricated cabin using the system |
| CN105807806A (en) * | 2016-04-21 | 2016-07-27 | 陈丹燕 | Temperature monitoring method for electric power cabinet and electric power cabinet |
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| CN108521094A (en) * | 2018-04-27 | 2018-09-11 | 青岛特锐德电气股份有限公司 | Prefabricated cabin substation with automatic temperature-adjusting function and its temperature control method |
| CN108551103A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | Modularization prefabricated cabin substation and its heat dissipating method |
| CN108551102A (en) * | 2018-04-27 | 2018-09-18 | 青岛特锐德电气股份有限公司 | With the prefabricated cabin substation of phase-changing and temperature-regulating function and its temperature control method |
| CN108565729A (en) * | 2018-04-27 | 2018-09-21 | 青岛特锐德电气股份有限公司 | The temperature automatically controlled method of prefabricated cabin substation |
| CN108574221A (en) * | 2018-04-27 | 2018-09-25 | 青岛特锐德电气股份有限公司 | Prefabricated cabin substation and its heat dissipating method |
| CN108666904A (en) * | 2018-04-27 | 2018-10-16 | 青岛特锐德电气股份有限公司 | Prefabricated cabin, assemble method and prefabricated cabin substation |
| CN108683116A (en) * | 2018-04-27 | 2018-10-19 | 青岛特锐德电气股份有限公司 | Prefabricated cabin composite panel, processing method and prefabricated cabin substation |
| CN108551102B (en) * | 2018-04-27 | 2020-12-08 | 青岛特锐德电气股份有限公司 | Prefabricated cabin transformer substation with phase change temperature adjusting function and temperature control method thereof |
| CN108666904B (en) * | 2018-04-27 | 2020-12-08 | 青岛特锐德电气股份有限公司 | Prefabricated cabin, assembling method and prefabricated cabin transformer substation |
| CN108521094B (en) * | 2018-04-27 | 2020-12-08 | 青岛特锐德电气股份有限公司 | Prefabricated cabin transformer substation with automatic temperature adjusting function and temperature control method thereof |
| CN108551103B (en) * | 2018-04-27 | 2020-12-08 | 青岛特锐德电气股份有限公司 | Modularized prefabricated cabin transformer substation and heat dissipation method thereof |
| CN108574221B (en) * | 2018-04-27 | 2020-12-08 | 青岛特锐德电气股份有限公司 | Prefabricated cabin transformer substation and heat dissipation method thereof |
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Application publication date: 20150128 |