CN115986909A - Constant-temperature box-type uninterruptible power supply - Google Patents
Constant-temperature box-type uninterruptible power supply Download PDFInfo
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Abstract
The invention discloses a constant-temperature box-type uninterruptible power supply, which comprises a power supply box, a functional module and a cooling device, wherein the functional module is arranged in the power supply box; the cooling device comprises an air cooling device, the air cooling device comprises a radiating pipe arranged in the upper space, two ends of the radiating pipe are respectively connected with the lower space guide cylinder through a connecting pipe, and a fan is further arranged on the radiating pipe; the box body is also provided with a constant pressure component; the box cover can be opened relative to the box body, and a ventilation device is arranged on the box body and/or the box cover. This scheme of adoption, the convenience carries out heat radiation structure's performance to uninterrupted power source and maintains to maintain uninterrupted power source's stability of performance.
Description
Technical Field
The invention relates to the technical field of power supplies, in particular to a constant-temperature box-type uninterruptible power supply.
Background
An Uninterruptible Power Supply (UPS) is a power supply device with an energy storage device, and is mainly used for occasions with high requirements on power stability, power supply interruption and power supply support for electrical appliances, and power failure of the electrical appliances is avoided. The structure of the uninterruptible power supply generally comprises a rectifier, an inverter, a battery and a control unit, wherein the battery is used as an energy storage device of the uninterruptible power supply, and the related heat dissipation design is generally required to be carried out on the uninterruptible power supply in consideration of the influence of a use occasion on the heat dissipation of the uninterruptible power supply, and the heat dissipation can involve any one or more of the rectifier, the inverter, the battery and the control unit.
For example, the battery heat dissipation design is adopted, because the uninterruptible power supply can generate heat in the operation process, particularly under the conditions of increased discharge times, increased discharge depth and large discharge current of the battery, the battery can be in a high-temperature working state, the service life of the battery can be shortened, the maintenance cycle of the uninterruptible power supply is influenced, the performance reliability of the uninterruptible power supply is influenced in a more harmful way, and the condition of unplanned power failure of electric equipment occurs. For electronic devices such as rectifiers and inverters, air cooling measures are generally required to avoid the over-high temperature during the operation.
In the prior art, as for a patent application file with an application number of CN 201720223843.7 and invented and created as a water replenishing and water cooling UPS power supply, a technical scheme including an air cooling device and a water cooling device is provided; the patent application number is CN202210834799.9, the invention provides a technical scheme for realizing forced cooling by using saltpeter in a patent application document named as a constant-temperature uninterruptible power supply cabinet.
Further structural improvement of the ups to make it have more stable performance is an important direction for those skilled in the art to develop ups technology.
Disclosure of Invention
The invention provides a constant-temperature box-type uninterruptible power supply aiming at the technical problem that the uninterrupted power supply is improved in structure so as to have more stable performance and is an important direction for technical personnel in the field to develop the technology of the uninterruptible power supply.
Aiming at the problems, the constant-temperature box-type uninterruptible power supply provided by the invention solves the problems through the following technical key points: a constant-temperature box-type uninterruptible power supply comprises a power supply box, a functional module and a cooling device, wherein the functional module is arranged in the power supply box, the cooling device is used for cooling the functional module, the power supply box comprises a box body and a box cover, a first partition plate is arranged in the box body, the first partition plate divides the inner space of the power supply box into an upper space and a lower space, the lower space is a closed space, and the functional module is positioned in the lower space;
the cooling device comprises an air cooling device, the air cooling device comprises a radiating pipe arranged in an upper space, two ends of the radiating pipe are respectively connected with a lower space guide cylinder through connecting pipes, and a fan is also arranged on the radiating pipe and used for driving gas, so that the gas enters the radiating pipe through one connecting pipe and is discharged through the other connecting pipe;
the box body is also provided with a constant voltage assembly, and the constant voltage assembly is used for realizing the pressure equalization of the lower space and the external air pressure of the power box;
the box cover can be opened relative to the box body, and a ventilation device is further arranged on the box body and/or the box cover and is used for realizing gas exchange between the upper space and the outside of the power supply box.
As a person skilled in the art, the functional module is other components except for the power supply box for forming the uninterruptible power supply, and according to the configuration design of the uninterruptible power supply, the functional module may specifically include a filter installed in front of the rectifying component, a filter installed behind the inverting component, the rectifying component, the inverting component, the bypass switch, the waveform detection module, the control module, and the like, and according to the specific arrangement manner of the rectifying component, the functional module may further include a charger specially used for charging the storage battery.
Different from the prior art, the scheme achieves the purpose of conveniently maintaining the performance of the heat dissipation structure of the uninterruptible power supply by the specific power supply box structure form, the installation mode of the functional module in the power supply box and the arrangement mode of the air cooling device so as to maintain the performance stability of the uninterruptible power supply.
Specifically, set up to the lower part space for the enclosure space and with the mode that functional module installed in the lower part space, air cooling device are cooling tube cooperation connecting pipe, concrete working method is: the functional module works in the lower space, and the air cooling device carries out air cooling on the lower space, and the specific cooling mode is as follows: under the effect of fan, the air enters into the cooling tube through one of them connecting pipe, and the air of cooling tube of flowing through is the hot-fluid and dispels the heat in the cooling tube position, and the air after the heat dissipation gets back to in the lower part space through another connecting pipe to be used for cooling down to the functional module in the lower part space, the air in the space of lower part is circulated through air cooling unit promptly.
The above structural form and working mode aim at realizing: when the scheme is applied to the environment with more air, the problem that the air cooling effect is influenced because dust covers the surface of the functional module in the working process of the uninterrupted power supply can be avoided, and the problems of safety and inconvenience in treatment caused by dust removal operation on the functional module can be avoided; compared with the existing mode of matching a filter screen with a fan, the air cooling device can effectively avoid the reduction of the heat dissipation capability of the air cooling device due to the influence of the aggravated blockage of the filter screen on the ventilation volume; because the cooling tube is the part that is independent of function module work, when the cooling tube outer wall need carry out the surface cleaning in order to ensure the air cooling device radiating effect, can not influence uninterrupted power source self work and do not have safety problems such as electric shock, owing to need not consider function module protection, protection against electric shock problem, clear up the cooling tube outer wall and still have the characteristics that the treatment effeciency is high. In addition, by arranging the constant voltage component, the problem of manufacturing cost, the problem of size stability of a power box and the like caused by the increase of the manufacturing cost and the guarantee of the sealing performance of the closed space due to the fact that the pressure difference between the lower space and the external environment is caused by the temperature change in the lower space can be avoided; the box cover is arranged to be opened relative to the box body, so that the surface ash removal maintenance of the radiating pipe is convenient, and the ventilation device is arranged to enhance the radiating effect of the radiating pipe through air convection; the arrangement is that the radiating pipe is arranged in the upper space, which aims to reduce the dust enrichment speed on the radiating pipe caused by natural sedimentation of dust in the atmosphere and simultaneously avoid the reduction of the radiating capacity of the radiating pipe caused by temperature rise caused by direct sunlight.
In specific implementation, the box cover can be connected to the box body in a turnover mode or can be connected to the box body through bolts. As a person skilled in the art, the purpose of the constant pressure component is to perform a pressure equalizing function, specifically, a pressure equalizing valve may be used, or a duct may be directly used, but compared to the use of the pressure equalizing valve, the duct has a greater probability of dust entering the lower space, and therefore, a single or multiple pressure equalizing valves are preferably used. The preferred forced draft scheme of ventilation unit to according to specific cooling needs, ambient temperature or the heat-sinking tube ability of working as down at present, through the mode that changes the air volume, obtain the cooling effect of preferred cooling tube, to following first fan that proposes, can adopt first fan as taking out the air current to the air exhauster of external environment from the upper space, and the installation stops the filter screen that the dust enters into the upper space on the air intake of upper space.
Meanwhile, as a person skilled in the art, the constant temperature emphasized by the scheme should be understood that the uninterruptible power supply has a working temperature control function, and the working temperature can return to the set temperature range or the temperature value through the air cooling performance exerted by the air cooling device.
The further technical scheme is as follows:
in order to enhance the convection intensity of the airflow on the surface of the functional module, the method comprises the following steps: the lower space is also provided with a second partition plate which is used as a baffle plate for limiting the flow direction of the gas in the lower space, so that the gas forms a flow path in the lower space under the action of the second partition plate after entering the lower space through one connecting pipe and enters the radiating pipe through the other connecting pipe;
the functional module comprises a rectifying component, a storage battery and an inverter component, wherein the rectifying component, the storage battery and the inverter component are arranged at different positions of the flow path. In this aspect, the flow direction of the gas flow in the lower space is defined by the second partition plate to form the flow path. Preferably, in consideration of the influence of temperature change on different functional components, especially on the performance and the service life of the storage battery, in order to improve the performance and the reliability of the storage battery, the following steps are provided: a space for installing the secondary battery is formed in the lower space by the second partition, and the connection pipe has a nozzle for supplying air cooled by the radiating pipe to the space.
As a heat dissipation pipe form that heat radiating area is big, simple structure, set up to: the radiating pipe is a coil pipe exposed in the upper space.
As a specific scheme for forcibly cooling the upper space, the following is provided: the ventilation device comprises a first fan arranged on the box body, the first fan is driven by a motor, and also comprises a controller for controlling the rotating speed of the motor, and a temperature sensor for detecting the temperature in the lower space, wherein the detection value of the temperature sensor is used as the control signal of the controller: the controller controls the motor to accelerate when the actual temperature in the lower space is greater than the set temperature.
Different from the inverter assembly and the rectifier assembly, the factors influencing the performance and the reliability of the storage battery are more, such as: the number of discharges, the discharge power and the depth of discharge of each discharge, the temperature that experiences in the duty cycle etc. and the performance and the reliability of battery directly influence uninterrupted power source's performance and reliability, for avoiding uninterrupted power source to cause unplanned outage to the consumer, preferably the battery provides the cooling scheme independent of like last forced air cooling device, so set up as: the functional module comprises a battery box for mounting a storage battery, the battery box is of a groove-shaped structure enclosed by side edges and a bottom edge, and the side edges and/or the bottom edge are of a sandwich-type structure in which interlayer spaces are arranged;
the cold storage assembly is used for conveying cold fluid, and the cold storage assembly is connected with the battery box and the cold storage assembly to form a cold fluid circulation flow path, so that the cold fluid circulates between the cold storage assembly and the battery box: the interlayer space is used as a component of a cold fluid circulation flow path, and the cold fluid releases heat when flowing through the cold accumulation assembly. When the scheme is in work, the uninterrupted power supply is connected to a mains supply power grid, when the mains supply power grid can normally work, the cold accumulation assembly is set to accumulate cold according to concrete setting, when the mains supply power grid is powered off and the temperature of the storage battery exceeds the set temperature in the discharging process through the temperature sensor, the fluid conveying equipment takes the cold fluid as a heat transfer medium, the cold fluid flows through the interlayer space to cool the battery box, the cold fluid absorbing the heat of the battery box releases heat when returning to the cold accumulation assembly to reduce the temperature, and the cold fluid has lower temperature and better absorbs the heat of the battery box when returning to the battery box. The battery box applies to the installation battery, because the cold-storage assembly cooperates fluid conveying equipment can reach the ability that reduces the battery box temperature, and battery box at this moment not only can fix the battery, can form in the periphery of battery simultaneously and be used for carrying out refrigerated cooling jacket to the battery. The specific form of battery case not only the installation battery is convenient, and simultaneously self manufacturing degree of difficulty is low, the shape retentivity is good.
As a specific implementation manner of the cold accumulation assembly, the cold accumulation assembly is provided with the following components: the cold accumulation assembly comprises a liquid storage box and a semiconductor refrigeration piece arranged on the outer side of the bottom of the liquid storage box, and the heat absorption end of the semiconductor refrigeration piece is attached to the bottom surface of the liquid storage box;
the internal space of the liquid storage tank is used as a component of the cold fluid circulation flow path;
the outside of liquid reserve tank has still wrapped up the insulating layer. When the scheme is in operation, the liquid storage box stores liquid fluid flowing through the interlayer space and cooling the battery box, the liquid storage box can be used for storing liquid with a certain volume, the liquid can be water, heat conducting oil and the like, under the condition that a mains supply power grid can supply power to the scheme, the semiconductor refrigerating sheet reduces the temperature of the fluid in the liquid storage box, the fluid conveying equipment extracts the fluid in the liquid storage box under the condition that the battery box is required to be cooled through the battery box, the fluid returns to the liquid storage box after passing through the interlayer space, and the purpose of forced cooling of the battery box can be achieved through circulation. The utility model is arranged as a commercial power grid to provide power for the semiconductor refrigeration chip, aiming at avoiding the reduction of the power supply capability of the uninterrupted power supply caused by the cold accumulation component served by the electric energy in the storage battery. The heat insulation layer aims to reduce the power consumption of the cold accumulation component. Simultaneously, because accomplish in this scheme and can make the cold-storage subassembly exert battery case cooling function for a long time after the liquid reserve tank fluid fills, the cold-storage subassembly that provides in this scheme still has non-maintaining characteristics.
As another implementation mode of the cold accumulation assembly, the cold accumulation assembly is provided with the following components: the cold accumulation assembly comprises a heat absorbing plate and a semiconductor refrigerating sheet, and the semiconductor refrigerating sheet is used for absorbing heat on the heat absorbing plate;
the heat absorbing plate is used as a part of the boundary of the cold fluid circulating flow path. In the prior art, under the condition that the storage battery has no serious performance attenuation, the charging process generally can not lead to overhigh temperature, the discharging process aims at maintaining the current requirement of the electric equipment, the condition that the working temperature of the storage battery is overhigh easily occurs when the discharging current is larger, and the fluid conveying equipment can work in the discharging process of the storage battery more greatly. Like this, the power part on the fluid delivery equipment need rely on the battery power supply, is different from the application that adopts drive gas circulation, adopts the mode of circulating liquid as above to make power part have higher consumption, and this will reduce uninterrupted power source and serve in the time of electrical apparatus, and based on such design, this scheme provides and is different from liquid reserve tank storage liquid, realizes the mode of cold-storage through liquid. When the cold storage assembly is used for reducing the temperature of the storage battery, the semiconductor refrigeration piece is used for reducing the temperature of the heat absorption plate, when the temperature of the storage battery is required to be reduced through the cold storage assembly, the circulating air flow is formed in the cold fluid circulating flow path, the circulating air flow flows through the interlayer space and the heat absorption plate, heat is absorbed when the circulating air flow flows through the interlayer space, heat is released when the circulating air flow flows through the heat absorption plate, and the cold stored in the heat absorption plate can be used for cooling the battery box. This scheme of adoption, fluid conveying equipment can ensure this scheme to the power supply ability with electrical apparatus at the during operation consumption is lower, simultaneously, adopts the absorber plate to carry out the cold-storage can effectively ensure cold volume storage volume.
As a further technical scheme of the heat absorbing plate: the heat absorption plate is arranged in the fluid box, the semiconductor refrigeration piece is arranged on the outer side of the bottom of the fluid box, and the heat absorption end of the semiconductor refrigeration piece is attached to the bottom surface of the fluid box;
the fluid box is provided with a cavity above the heat absorbing plate, and the cavity is used as a component of the cold fluid circulating flow path;
the outside of the fluid box is also wrapped with a heat insulation layer. By adopting the scheme, a closed cold fluid circulating flow path is convenient to enclose, and meanwhile, the heat absorbing plate is convenient to mount if the heat absorbing plate with higher density is adopted; the arranged heat insulation layer is beneficial to reducing the power consumption of the semiconductor refrigeration piece.
More completely, the setting is as follows: the battery pack also comprises a storage battery arranged in the battery box;
a gap is formed between the side wall of the storage battery and the inner wall of the battery box;
the heat conducting agent is filled in the gap;
the sealing strip is an annular sealing ring extending around the circumferential direction of the storage battery;
the sealing strip is fixed between the battery box and the storage battery through an annular groove formed in the inner wall of the battery box. The battery that probably exists in the whole life cycle of considering uninterrupted power source changes and maintains, and the preferred setting is removable, the dress for the battery case for the battery, and the scheme that adopts the battery direct embedding battery case has simple structure, easy dismounting's characteristics, and the factor that is unfavorable for the heat dissipation is the air gap between battery and the battery case, for solving the air gap to the radiating adverse effect of battery, sets up above structure, and specifically applied and be: after the storage battery is installed in the battery box, the heat conducting agent is filled into the gap, in order to conveniently dismantle the storage battery, the adopted heat conducting agent is always kept in a liquid state, water, heat conducting oil and the like can be adopted, and the water is easy to evaporate, so that the heat conducting oil is preferably adopted, but the heat conducting oil after being heated can be reduced in heat conducting performance due to the fact that the heat conducting oil is contacted with air for a long time, and the scheme of the sealing strip is further adopted, so that the relative isolation or absolute isolation of the heat conducting oil and the air can be effectively realized. Above sealing strip is specific isolation mode, adopts this structure to aim at: the volume change is big after the conduction oil is heated, utilizes the mode of the fixed ring type seal ring of annular groove to make self easily extruded or the gas above the conduction oil easily extruded after the conduction oil takes place the thermal energy, under the simple structure's the circumstances for corresponding cooling scheme has sufficient security.
As a simple structure, preparation convenience, the strong battery case structural style of battery case shape stability, set up to: the battery box comprises an outer shell and an inner shell, and the interlayer space is positioned between the outer shell and the inner shell;
the bottom plate of the inner shell is supported on the bottom plate of the outer shell through a plurality of cushion blocks. In the scheme, the outer shell and the inner shell can be both provided with groove body structures with the edges above, the folded edges on the inner shell are overlapped above the folded edges on the outer shell, and the sealing gasket is laid between the two edges, so that a closed interlayer space can be obtained; the arrangement of the cushion blocks aims to facilitate the thinning design of the inner shell and the outer shell.
Above sealing strip can adopt rubber seal, and the compressive capacity of each position of circumferential direction will influence the leakproofness of each position, so the preferred scheme be according to the mounted position of battery in the battery case setting up the sealing strip that the size matches, perhaps according to the mounted position of the size matching battery in the battery case of sealing strip, but this kind of mode has certain randomness, for the mounting efficiency who does benefit to part of battery case part and the assembly quality between the part, sets up to: the battery box is of a box-shaped structure with four side faces, the inner wall of each side face is provided with a positioning ridge protruding outwards relative to the inner wall of the battery box, and the storage battery is installed in an installation space defined by the positioning ridges. In the scheme, the installation position of the storage battery in the battery box is determined by the positioning ribs, so that the unique storage battery position state can be obtained in the battery box, and the reliable sealing effect can be achieved by adopting the sealing strips with determined specifications according to the position state.
The invention has the following beneficial effects:
the structural style provided by the scheme aims to realize that: when the scheme is applied to the environment with more air, the problem that the air cooling effect is influenced because dust covers the surface of the functional module in the working process of the uninterrupted power supply can be avoided, and the problems of safety and inconvenience in treatment caused by dust removal operation on the functional module can be avoided; compared with the existing mode of matching a filter screen with a fan, the air cooling device can effectively avoid the reduction of the heat dissipation capability of the air cooling device due to the influence of the aggravated blockage of the filter screen on the ventilation volume; because the cooling tube is the part that is independent of function module work, when the cooling tube outer wall need carry out the surface cleaning in order to ensure the air cooling device radiating effect, can not influence uninterrupted power source self work and do not have safety problems such as electric shock, owing to need not consider function module protection, protection against electric shock problem, clear up the cooling tube outer wall and still have the characteristics that the treatment effeciency is high. In addition, by arranging the constant voltage component, the problems of manufacturing cost, size stability of a power box and the like caused by the increase of the closed space and guarantee of the closed space due to the fact that the pressure difference between the lower space and the external environment is caused by the temperature change in the lower space can be avoided; the box cover is arranged to be opened relative to the box body, so that the surface ash removal maintenance of the radiating pipe is convenient, and the ventilation device is arranged to enhance the radiating effect of the radiating pipe through air convection; the arrangement is that the radiating pipe is arranged in the upper space, which aims to reduce the dust enrichment speed on the radiating pipe caused by natural sedimentation of dust in the atmosphere and simultaneously avoid the reduction of the radiating capacity of the radiating pipe caused by temperature rise caused by direct sunlight.
Drawings
Fig. 1 is a cross-sectional view of one embodiment of a thermostated, boxed ups of the present invention;
fig. 2 is a top view of an embodiment of a constant temperature box-type ups according to the present invention, showing the assembled relationship between the battery box and the battery;
fig. 3 is a cross-sectional view showing the structure of a battery case in an embodiment of the constant temperature box type ups according to the present invention;
fig. 4 is a cross-sectional view showing a structure of a cold storage assembly using a heat absorbing plate in an embodiment of the isothermal box-type uninterruptible power supply according to the present disclosure.
Wherein the reference numerals are respectively: 1. case lid, 2, first fan, 3, the case body, 4, constant voltage subassembly, 5, contravariant subassembly, 6, third baffle, 7, fluid conveying equipment, 8, cold-storage subassembly, 9, semiconductor refrigeration piece, 10, cooling tube, 11, first baffle, 12, battery case, 13, second baffle, 14, rectification subassembly, 15, connecting pipe, 16, sealing strip, 17, battery, 18, shell body, 19, intermediate layer space, 20, interior casing, 21, location arris, 22, absorber plate.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples:
example 1:
as shown in fig. 1, 2, 3 and 4, a constant temperature box-type uninterruptible power supply includes a power supply box, a functional module disposed inside the power supply box, and a cooling device for cooling the functional module, where the power supply box includes a box body 3 and a box cover 1, a first partition plate 11 is installed in the box body 3, the first partition plate 11 divides an internal space of the power supply box into an upper space and a lower space, the lower space is a closed space, and the functional modules are all located in the lower space;
the cooling device comprises an air cooling device, the air cooling device comprises a radiating pipe 10 arranged in an upper space, two ends of the radiating pipe 10 are respectively connected with a lower space guide cylinder through connecting pipes 15, and a fan is also arranged on the radiating pipe 10 and used for driving gas, so that the gas enters the radiating pipe 10 through one connecting pipe 15 and is discharged through the other connecting pipe 15;
the box body 3 is also provided with a constant voltage component 4, and the constant voltage component 4 is used for realizing pressure equalization between the lower space and the external air pressure of the power box;
the box cover 1 can be opened relative to the box body 3, and the box body 3 and/or the box cover 1 are/is also provided with a ventilation device which is used for realizing gas exchange between the upper space and the outside of the power supply box.
As a person skilled in the art, the functional modules are other components except for the power supply box for forming the uninterruptible power supply, and according to the configuration design of the uninterruptible power supply, the functional modules may specifically include a filter installed in front of the rectifying component 14, a filter installed behind the inverting component 5, the rectifying component 14, the inverting component 5, the bypass switch, the waveform detection module, the control module, and the like, and according to the specific setting manner of the rectifying component 14, the functional modules may further include a charger specially used for charging the storage battery 17.
Different from the prior art, the scheme achieves the purpose of conveniently maintaining the performance of the heat dissipation structure of the uninterruptible power supply by the specific power supply box structure form, the installation mode of the functional module in the power supply box and the arrangement mode of the air cooling device so as to maintain the performance stability of the uninterruptible power supply.
Specifically, set up to the lower part space for the enclosure space and with the mode that functional module installed in the lower part space, air cooling unit for cooling tube 10 cooperation connecting pipe 15, concrete working method is: the functional module works in the lower space, and the air cooling device is used for air cooling the lower space, and the specific cooling mode is as follows: under the action of the fan, air enters the radiating pipe 10 through one of the connecting pipes 15, the air flowing through the radiating pipe 10 is hot fluid and radiates heat at the position of the radiating pipe 10, and the radiated air returns to the lower space through the other connecting pipe 15 to cool the functional module in the lower space, that is, the air in the lower space circulates through the air cooling device.
The above structural form and working mode aim at realizing: when the scheme is applied to the environment with more air, the problem that the air cooling effect is influenced because dust covers the surface of the functional module in the working process of the uninterrupted power supply can be avoided, and the problems of safety and inconvenience in treatment caused by dust removal operation on the functional module can be avoided; compared with the existing mode of matching a filter screen with a fan, the air cooling device can effectively avoid the reduction of the heat dissipation capability of the air cooling device due to the influence of the aggravated blockage of the filter screen on the ventilation volume; because the radiating pipe 10 is a component independent of the function module, when the outer wall of the radiating pipe 10 needs to be surface-cleaned to ensure the radiating effect of the air-cooling device, the work of the uninterruptible power supply can not be affected and the safety problems such as electric shock do not exist, and because the protection of the function module and the protection of the electric shock do not need to be considered, the outer wall of the radiating pipe 10 is cleaned, and the characteristic of high treatment efficiency is also realized. In addition, by arranging the constant voltage component 4, the problem of manufacturing cost, the problem of size stability of a power box and the like caused by the increase of the manufacturing cost and the guarantee of the sealing performance of the closed space due to the fact that the pressure difference between the lower space and an external environment is caused by the temperature change in the lower space can be avoided; the case cover 1 is arranged to be openable relative to the case body 3 for the purpose of facilitating the maintenance of the radiating pipe 10 for surface dusting, and is arranged to include the ventilation means for the purpose of enhancing the radiating effect of the radiating pipe 10 by air convection; the radiating pipe 10 is disposed in the upper space in order to reduce the dust-gathering rate of the radiating pipe 10 caused by natural settling of dust in the atmosphere, for example, and to prevent the radiating capability of the radiating pipe 10 from being deteriorated by a temperature rise caused by direct sunlight, for example.
In specific implementation, the box cover 1 is connected to the box body 3 in a turnover mode, and can also be connected to the box body 3 through bolts. As a person skilled in the art, the purpose of the constant pressure component 4 is to perform a pressure equalizing function, specifically, a pressure equalizing valve may be used, or a duct may be directly used, but compared to the pressure equalizing valve, the duct has a higher probability of dust entering the lower space, and therefore, a single or multiple pressure equalizing valves are preferably used. The forced ventilation scheme is preferably selected for the ventilation device, so as to obtain a better cooling effect of the radiating pipe 10 by changing the ventilation volume according to the specific cooling requirement, the current ambient temperature or the current radiating capacity of the radiating pipe 10, and for the first fan 2 as proposed below, the first fan 2 can be used as an exhaust fan for extracting the air flow from the upper space to the external environment, and a filter screen for preventing dust from entering the upper space is arranged on the air inlet of the upper space.
Meanwhile, as a person skilled in the art, the constant temperature emphasized by the scheme should be understood that the uninterruptible power supply has a working temperature control function, and the working temperature can return to the set temperature range or the temperature value through the air cooling performance exerted by the air cooling device.
Example 2:
this example is further refined on the basis of example 1:
in order to enhance the convection intensity of the airflow on the surface of the functional module, the method comprises the following steps: a second partition plate 13 is further disposed in the lower space, and the second partition plate 13 serves as a baffle plate for limiting the flow direction of the gas in the lower space, so that after the gas enters the lower space through one of the connection pipes 15, a flow path in the lower space is formed by the second partition plate 13 and enters the radiating pipe 10 through the other connection pipe 15;
the functional module comprises a rectifying component 14, a storage battery 17 and an inverter component 5, wherein the rectifying component 14, the storage battery 17 and the inverter component 5 are arranged at different positions of the flow path. In this case, the flow direction of the gas flow in the lower space is defined by the second partition plate 13 to form the flow path. Preferably, in view of the influence of temperature variations on different functional components, in particular on the performance and life of the battery 17, to improve the performance and reliability of the battery 17, provision is made for: a space dedicated for installing the secondary battery 17 in the lower space is formed by the second partition 13, and the connection pipe 15 has a nozzle in the space for supplying air cooled by the radiating pipe 10 to the space.
Example 3:
this example is further refined on the basis of example 1:
as a radiating pipe 10 with a large radiating area and a simple structure, the radiating pipe is provided with: the radiating pipe 10 is a coil pipe exposed in the upper space.
As a specific scheme for forcibly cooling the upper space, the following is provided: the ventilation device comprises a first fan 2 arranged on a box body 3, the first fan 2 is driven by a motor, and simultaneously comprises a controller for controlling the rotating speed of the motor, and a temperature sensor for detecting the temperature in the lower space, wherein the detection value of the temperature sensor is used as a control signal of the controller: the controller controls the motor to accelerate when the actual temperature in the lower space is greater than the set temperature.
Example 4:
this example is further refined on the basis of example 1:
different from the inverter assembly 5 and the rectifier assembly 14, the factors affecting the performance and reliability of the storage battery 17 are more, such as: the number of discharges, the discharge power and the depth of discharge of each discharge, the temperature experienced in the duty cycle, etc., and the performance and reliability of the battery 17 directly affect the performance and reliability of the ups, and in order to avoid the ups from causing an unplanned power failure to the electrical equipment, it is preferable that the battery 17 provides a cooling scheme independent of the above air-cooling device, so the setting is: the functional module comprises a battery box 12 for mounting a storage battery 17, the battery box 12 is of a groove-shaped structure enclosed by side edges and bottom edges, and the side edges and/or the bottom edges are of a sandwich structure in which sandwich spaces 19 are arranged;
further comprises a cold accumulation assembly 8 and a fluid conveying device 7, wherein the fluid conveying device 7 is used for conveying cold fluid and is connected with the battery box 12 and the cold accumulation assembly 8 to form a cold fluid circulation flow path so that the cold fluid circulates between the cold accumulation assembly 8 and the battery box 12: the intermediate space 19 is a component of a cooling fluid circulation circuit, which releases heat when flowing through the cold storage module 8. When the scheme is in work, the uninterruptible power supply is connected to a mains supply power grid, when the mains supply power grid can normally work, the cold accumulation assembly 8 accumulates cold according to specific setting, when the mains supply power grid is powered off and the temperature of the storage battery 17 exceeds the set temperature in the discharging process through the temperature sensor, the fluid conveying equipment 7 takes the fluid as a heat transfer medium, the fluid flows through the interlayer space 19 to cool the battery box 12, the fluid absorbing the heat of the battery box 12 releases heat when returning to the cold accumulation assembly 8 to reduce the temperature, and the fluid has lower temperature to absorb the heat of the battery box 12 better when returning to the battery box 12. The battery case 12 is used for mounting the storage battery 17, and the cold accumulation assembly 8 is matched with the fluid conveying equipment 7 to achieve the capability of reducing the temperature of the battery case 12, so that the battery case 12 can fix the storage battery 17 and can form a cooling jacket for cooling the storage battery 17 at the periphery of the storage battery 17. The specific form of the battery case 12 not only facilitates the installation of the storage battery 17, but also has low difficulty in processing and manufacturing and good shape retention capability.
Example 5:
the embodiment is further refined on the basis of the embodiment 4:
as a specific implementation manner of the cold storage assembly 8, the cold storage assembly is provided with: the cold accumulation assembly 8 comprises a liquid storage box and a semiconductor refrigeration piece 9 arranged on the outer side of the bottom of the liquid storage box, and the heat absorption end of the semiconductor refrigeration piece 9 is attached to the bottom surface of the liquid storage box;
the internal space of the liquid storage tank is used as a component of the cold fluid circulating flow path;
the outside of liquid reserve tank has still wrapped up the insulating layer. When the scheme is in operation, the liquid storage box stores liquid fluid which flows through the interlayer space 19 and cools the battery box 12, the liquid storage box can be used for storing liquid with a certain volume, the liquid can be water, heat conducting oil and the like, under the condition that a mains supply power grid can supply power for the scheme, the temperature of the fluid in the liquid storage box is reduced through the semiconductor refrigeration sheet 9, under the condition that the storage battery 17 needs to be cooled through the battery box 12, the fluid conveying equipment 7 extracts the fluid in the liquid storage box, the fluid returns to the liquid storage box after passing through the interlayer space 19, and the purpose of forcibly cooling the battery box 12 can be achieved through the circulation. The utility model is arranged to provide the electric power for the semiconductor refrigeration chip 9 by the utility grid, aiming at avoiding the reduction of the power supply capability of the uninterrupted power supply caused by the electric energy in the storage battery 17 serving the cold accumulation assembly 8. The thermal insulation layer is intended to reduce the power consumption of the cold storage assembly 8. Simultaneously, because can make cold-storage subassembly 8 exert battery case 12 cooling function for a long time after accomplishing the liquid reserve tank fluid in this scheme and filling, the cold-storage subassembly 8 that provides in this scheme still has non-maintaining characteristics.
Example 6:
this example is further refined on the basis of example 4:
as another implementation manner of the cold storage assembly 8, the cold storage assembly is provided with: the cold accumulation assembly 8 comprises an absorber plate 22 and a semiconductor refrigeration piece 9, and the semiconductor refrigeration piece 9 is used for absorbing heat on the absorber plate 22;
the heat absorbing plate 22 is a part of the boundary of the cold fluid circulating flow path. In the prior art, under the condition that the storage battery 17 does not have serious performance attenuation, the charging process generally cannot cause overhigh temperature, the discharging process aims at the current requirement of maintaining electric equipment, the condition that the working temperature of the storage battery 17 is overhigh easily occurs when the discharging current is large, and the fluid conveying equipment 7 is larger and can work in the discharging process of the storage battery 17. Like this, the power part on the fluid delivery equipment 7 need rely on battery 17 power supply, is different from the application that adopts driving gas circulation, adopts the mode of circulating liquid as above to make power part have higher consumption, and this will reduce uninterrupted power source and serve the time of electrical apparatus, and based on such a design, this scheme provides and is different from the liquid reserve tank storage liquid, realizes the mode of cold-storage through liquid. When the semiconductor refrigerating sheet 9 is used for reducing the temperature of the heat absorbing plate 22, when the temperature of the storage battery 17 needs to be reduced through the cold accumulation assembly 8, circulating airflow is formed in the cold fluid circulating flow path, the circulating airflow flows through the interlayer space 19 and the heat absorbing plate 22, heat is absorbed when the circulating airflow flows through the interlayer space 19, heat is released when the circulating airflow flows through the heat absorbing plate 22, and the temperature of the battery box 12 can be reduced through the cold accumulated by the heat absorbing plate 22. This scheme of adoption, fluid conveying equipment 7 can ensure this scheme to the power supply ability with electrical apparatus at the during operation consumption lower, simultaneously, adopts absorber plate 22 to carry out the cold-storage can effectively ensure cold volume storage volume.
Example 7:
this example is further refined on the basis of example 6:
as a further technical solution for the above solution using the heat absorbing plate 22: the heat absorption plate 22 is arranged in the fluid box, the semiconductor refrigeration piece 9 is arranged on the outer side of the bottom of the fluid box, and the heat absorption end of the semiconductor refrigeration piece 9 is attached to the bottom surface of the fluid box;
the fluid box is provided with a cavity above the heat absorbing plate 22, and the cavity is used as a component of the cold fluid circulating flow path;
the outside of the fluid box is also wrapped with a heat insulation layer. By adopting the scheme, a closed cold fluid circulating flow path is convenient to enclose, and meanwhile, when the heat absorption plate 22 with higher density is adopted, the heat absorption plate 22 is convenient to install; the arranged heat insulation layer is beneficial to reducing the power consumption of the semiconductor refrigeration sheet 9.
Example 8:
the embodiment is further refined on the basis of the embodiment 4:
more completely, the setting is as follows: a storage battery 17 mounted in the battery case 12;
a gap is formed between the side wall of the storage battery 17 and the inner wall of the battery box 12;
the heat conducting agent is filled in the gap;
the sealing strip 16 is used for sealing the upper end of the gap, and the sealing strip 16 is an annular sealing ring extending around the circumferential direction of the storage battery 17;
the sealing strip 16 is fixed between the battery case 12 and the secondary battery 17 by an annular groove provided on the inner wall of the battery case 12. Considering battery 17 change and the maintenance that probably exists in the whole life cycle of uninterrupted power source, the preferred setting is for battery 17 removable, dress for battery case 12, and the scheme that adopts battery 17 direct embedding battery case 12 has simple structure, easy dismounting's characteristics, and the factor that is unfavorable for the heat dissipation is the air gap between battery 17 and the battery case 12, for solving the air gap to the radiating adverse effect of battery 17, sets up above structure, and specifically applied and be: after the storage battery 17 is arranged in the battery box 12, the heat conducting agent is filled into the gap, in order to conveniently detach the storage battery 17, the adopted heat conducting agent is always kept in a liquid state, water, heat conducting oil and the like can be adopted, and the water is easy to evaporate, so that heat conducting oil is preferably adopted, but the heat conducting oil after being heated is contacted with air for a long time to cause the heat conducting performance to be reduced, and the scheme comprising the sealing strip 16 is further adopted, so that the relative isolation or absolute isolation of the heat conducting oil and the air can be effectively realized. The above sealing strip 16 is a specific way of isolation, with this structure it is intended to address: the volume change is big after the conduction oil is heated, utilizes the mode of annular groove fixed ring type sealing washer to make the conduction oil take place the thermal energy after self be extruded easily or the gas above the conduction oil is extruded easily, under simple structure's the circumstances for corresponding cooling scheme has sufficient security.
Example 9:
this example is further refined on the basis of example 8:
as a simple structure, preparation convenience, battery case 12 shape stability's battery case 12 structural style that 12 shape stability is strong, set up to: the battery box 12 comprises an outer shell 18 and an inner shell 20, and the interlayer space 19 is positioned between the outer shell 18 and the inner shell 20;
the bottom plate of the inner housing 20 is supported on the bottom plate of the outer housing 18 by a plurality of spacers. In the scheme, the outer shell 18 and the inner shell 20 can be both provided with groove body structures with the edges above, the folded edges on the inner shell 20 are overlapped above the folded edges on the outer shell 18, and a sealing gasket is laid between the two edges, so that a closed interlayer space 19 can be obtained; the above arrangement of the spacers is intended to facilitate the thinning design of the inner and outer shells 18.
Example 10:
this example is further refined on the basis of example 8:
the above sealing strip 16 can be a rubber sealing ring, and the compression amount at each position in the circumferential direction will affect the sealing performance at each position, so it is preferable to arrange a sealing strip 16 with matched size according to the installation position of the storage battery 17 in the battery box 12, or match the installation position of the storage battery 17 in the battery box 12 according to the size of the sealing strip 16, but this way has a certain randomness, and in order to facilitate the installation efficiency of part of the components of the battery box 12 and the assembly quality among the components, the arrangement is as follows: the battery case 12 has a box-shaped structure with four sides, a positioning rib 21 protruding outwards relative to the inner wall of the battery case 12 is arranged on the inner wall of each side, and the storage battery 17 is installed in an installation space surrounded by the positioning ribs 21. In the present embodiment, the mounting position of the storage battery 17 in the battery case 12 is determined by the positioning ribs 21, so that a unique position state of the storage battery 17 in the battery case 12 can be obtained, and a reliable sealing effect can be achieved by using the sealing tape 16 of a certain specification according to the position state.
The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments thereof, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. For those skilled in the art to which the invention pertains, other embodiments that do not depart from the gist of the invention are intended to be within the scope of the invention.
Claims (10)
1. A constant-temperature box-type uninterruptible power supply comprises a power supply box, a functional module arranged in the power supply box and a cooling device for cooling the functional module, and is characterized in that the power supply box comprises a box body (3) and a box cover (1), a first partition plate (11) is arranged in the box body (3), the first partition plate (11) divides the inner space of the power supply box into an upper space and a lower space, the lower space is a closed space, and the functional module is positioned in the lower space;
the cooling device comprises an air cooling device, the air cooling device comprises a radiating pipe (10) arranged in an upper space, two ends of the radiating pipe (10) are respectively connected with a lower space guide cylinder through connecting pipes (15), the radiating pipe (10) is also provided with a fan, and the fan is used for driving gas, so that the gas enters the radiating pipe (10) through one connecting pipe (15) and is discharged through the other connecting pipe (15);
the box body (3) is also provided with a constant voltage assembly (4), and the constant voltage assembly (4) is used for realizing pressure equalization between the lower space and the external air pressure of the power box;
the box cover (1) can be opened relative to the box body (3), and a ventilation device is further arranged on the box body (3) and/or the box cover (1) and is used for realizing gas exchange between the upper space and the outside of the power supply box.
2. A thermostatted box-type ups according to claim 1 characterized in that a second baffle (13) is provided in the lower space, said second baffle (13) acting as a baffle for the gas flow in the lower space, so that after the gas enters the lower space through one of the connection pipes (15), a flow path in the lower space is formed by the second baffle (13) and enters the radiating pipe (10) through the other connection pipe (15);
the functional module comprises a rectifying assembly (14), a storage battery (17) and an inverter assembly (5), wherein the rectifying assembly (14), the storage battery (17) and the inverter assembly (5) are arranged at different positions of the flow path.
3. The thermostat box type uninterruptible power supply according to claim 1, wherein the heat dissipating pipe (10) is a coil pipe exposed in an upper space;
the ventilation device comprises a first fan (2) arranged on the box body (3).
4. A thermostatted, boxed ups according to claim 1, characterized in that the functional module comprises a battery box (12) for the storage of electric batteries (17), the battery box (12) being of a channel-like structure bounded by sides and a bottom, the sides and/or the bottom being of a sandwich-type structure in which a sandwich space (19) is provided;
the cold storage assembly (8) and the fluid conveying device (7) are further included, the fluid conveying device (7) is used for conveying cold fluid, and is connected with the battery box (12) and the cold storage assembly (8) to form a cold fluid circulating flow path, so that the cold fluid circulates between the cold storage assembly (8) and the battery box (12): the intermediate space (19) is a component of a cooling fluid circulation circuit, which releases heat when flowing through the cold storage assembly (8).
5. The box-type uninterruptible power supply with constant temperature as claimed in claim 4, wherein the cold accumulation assembly (8) comprises a liquid storage box and a semiconductor refrigeration sheet (9) installed outside the bottom of the liquid storage box, and the heat absorption end of the semiconductor refrigeration sheet (9) is attached to the bottom surface of the liquid storage box;
the internal space of the liquid storage tank is used as a component of the cold fluid circulating flow path;
the outside of liquid reserve tank has still wrapped up the insulating layer.
6. A thermostat box-type uninterruptible power supply according to claim 4, characterized in that the cold accumulation assembly (8) comprises a heat absorbing plate (22) and a semiconductor refrigeration sheet (9), the semiconductor refrigeration sheet (9) is used for absorbing heat on the heat absorbing plate (22);
the heat absorbing plate (22) is a part of the boundary of the cold fluid circulation flow path.
7. The thermostatted box-type UPS of claim 6, characterized in that it also comprises a closed fluid box, in which the absorber plate (22) is installed, and a semiconductor chilling plate (9) installed outside the bottom of the fluid box, and the heat absorbing end of the semiconductor chilling plate (9) is attached to the bottom surface of the fluid box;
the fluid box is provided with a cavity above a heat absorbing plate (22), and the cavity is used as a component of the cold fluid circulating flow path;
the outside of the fluid box is also wrapped with a heat insulation layer.
8. A thermostatted, boxed uninterruptible power supply as claimed in claim 4, characterized by comprising an accumulator (17) mounted in the battery box (12);
a gap is formed between the side wall of the storage battery (17) and the inner wall of the battery box (12);
the heat conducting agent is filled in the gap;
the sealing device also comprises a sealing strip (16) for closing the upper end of the gap, wherein the sealing strip (16) is an annular sealing ring extending around the circumferential direction of the storage battery (17);
the sealing strip (16) is fixed between the battery box (12) and the storage battery (17) through an annular groove arranged on the inner wall of the battery box (12).
9. A thermostatted uninterruptible power box as claimed in claim 8, characterized in that the battery compartment (12) comprises an outer casing (18) and an inner casing (20), the intermediate space (19) being located between the outer casing (18) and the inner casing (20);
the bottom plate of the inner shell (20) is supported on the bottom plate of the outer shell (18) through a plurality of cushion blocks.
10. A thermostatted box-type UPS according to claim 8, characterized in that the battery box (12) has a box-like structure with four sides, the inner wall of each side being provided with a positioning rib (21) projecting outwards with respect to the inner wall of the battery box (12), the accumulator (17) being mounted in the mounting space enclosed by the positioning ribs (21).
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| CN202310041723.5A CN115986909B (en) | 2023-01-11 | 2023-01-11 | Constant-temperature box-type uninterrupted power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310041723.5A CN115986909B (en) | 2023-01-11 | 2023-01-11 | Constant-temperature box-type uninterrupted power supply |
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| CN115986909B CN115986909B (en) | 2023-10-20 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000232792A (en) * | 1999-02-09 | 2000-08-22 | Fuji Electric Co Ltd | Uninterruptible power supply |
| CN102858141A (en) * | 2012-09-12 | 2013-01-02 | 江苏大学 | Dispersive heat radiation type thermostat for field instruments |
| CN211209369U (en) * | 2019-12-20 | 2020-08-07 | 鼎世新(北京)科技有限公司 | UPS power box convenient to heat dissipation |
| CN216013514U (en) * | 2021-07-02 | 2022-03-11 | 大连优易科电子技术有限公司 | UPS uninterrupted power source unbalanced three phase check out test set |
| CN216162462U (en) * | 2021-09-07 | 2022-04-01 | 陕西中消国安电力工程有限公司 | UPS uninterrupted power source case for high tension switchgear |
-
2023
- 2023-01-11 CN CN202310041723.5A patent/CN115986909B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000232792A (en) * | 1999-02-09 | 2000-08-22 | Fuji Electric Co Ltd | Uninterruptible power supply |
| CN102858141A (en) * | 2012-09-12 | 2013-01-02 | 江苏大学 | Dispersive heat radiation type thermostat for field instruments |
| CN211209369U (en) * | 2019-12-20 | 2020-08-07 | 鼎世新(北京)科技有限公司 | UPS power box convenient to heat dissipation |
| CN216013514U (en) * | 2021-07-02 | 2022-03-11 | 大连优易科电子技术有限公司 | UPS uninterrupted power source unbalanced three phase check out test set |
| CN216162462U (en) * | 2021-09-07 | 2022-04-01 | 陕西中消国安电力工程有限公司 | UPS uninterrupted power source case for high tension switchgear |
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| CN115986909B (en) | 2023-10-20 |
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