CN205783975U - A kind of anti-condensation hot-pipe system - Google Patents
A kind of anti-condensation hot-pipe system Download PDFInfo
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- CN205783975U CN205783975U CN201620471052.1U CN201620471052U CN205783975U CN 205783975 U CN205783975 U CN 205783975U CN 201620471052 U CN201620471052 U CN 201620471052U CN 205783975 U CN205783975 U CN 205783975U
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Abstract
This utility model relates to machine room falling temperature technique field, in particular disclose a kind of anti-condensation hot-pipe system, including heat pipe backboard, heat exchanger and dynamoelectric water valve, heat exchanger is provided with cold-producing medium QI KOU, refrigerant liquid mouth, water inlet and outlet, the two ends of heat pipe backboard connect with cold-producing medium QI KOU, refrigerant liquid mouth respectively, dynamoelectric water valve connects with outlet, also include that controller, the first temperature sensor and the second temperature sensor, the first temperature sensor, the second temperature sensor correspondence respectively are installed in water inlet, outlet；By the leaving water temperature of heat exchanger, the standard temperature difference set in advance with controller compares this utility model controller with the actual temperature difference of inflow temperature; and then the aperture size of regulation and control dynamoelectric water valve; both can ensure that cold-producing medium liquid temperature that heat exchanger flows out was unlikely too low and causes condensation; heat exchanger Inlet and outlet water heat transfer temperature difference can be ensured again, it is ensured that heat exchange amount meets the heat exchange demand of heat pipe backboard.
Description
Technical field
This utility model relates to machine room falling temperature technique field, in particular discloses a kind of anti-condensation hot-pipe system.
Background technology
Along with being continuously increased of computer room of internet data center high density rack, the integrated level of equipment is more and more higher, and disposal ability the most gradually strengthens, the power consumption of equipment increases the most therewith simultaneously, cause the caloric value of equipment in machine room the most, so, it is necessary to carrying out cooling process in machine room.
Hot-pipe system is widely used in machine room cooling, the backboard vaporizer of hot-pipe system is arranged on inside machine room, liquid refrigerant decalescence and then machine room is lowered the temperature in backboard vaporizer, it is evaporated to gaseous refrigerant after liquid refrigerant decalescence, gaseous refrigerant is flowed in the condenser of outdoor, it is condensed into liquid refrigerant after chilled water cooling, is again back in backboard vaporizer, form kind of refrigeration cycle.
The inlet temperature of backboard vaporizer is mainly by the Water Temperature of condenser, outdoor water temperature there will be fluctuation in some cases, when outdoor coolant-temperature gage is relatively low, the outlet temperature of condenser refrigerant is the lowest, if condensation will be produced when this temperature is less than indoor dew point temperature, condensation not only reduces the cooling efficiency of hot-pipe system, and the condensed water produced by condensation easily causes the circuit of rack in machine room to be short-circuited, and then damages rack.
Summary of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide a kind of anti-condensation hot-pipe system, it is to avoid the liquid temperature of the liquid refrigerant of outflow heat exchanger is too low and causes condensation.
For achieving the above object, the anti-condensation hot-pipe system of one of the present utility model, including heat pipe backboard, heat exchanger and dynamoelectric water valve, heat exchanger is provided with cold-producing medium QI KOU, refrigerant liquid mouth, water inlet and outlet, cold-producing medium QI KOU connects with refrigerant liquid mouth, water inlet connects with outlet, one end of heat pipe backboard connects with cold-producing medium QI KOU, the other end of heat pipe backboard connects with refrigerant liquid mouth, dynamoelectric water valve connects with outlet, also include controller, first temperature sensor and the second temperature sensor, first temperature sensor is installed in water inlet, second temperature sensor is installed in outlet, dynamoelectric water valve, first temperature sensor, second temperature sensor is electrically connected with the controller respectively.
Preferably, described anti-condensation hot-pipe system also includes three-temperature sensor, and three-temperature sensor is installed in refrigerant liquid mouth, and three-temperature sensor is electrically connected with the controller.
Preferably, described anti-condensation hot-pipe system also includes cold-producing medium trachea and refrigerant liquid pipe, the two ends of cold-producing medium trachea are installed in one end of cold-producing medium QI KOU and heat pipe backboard respectively, and the two ends of refrigerant liquid pipe are installed in the other end of refrigerant liquid mouth and heat pipe backboard respectively.
Preferably, described three-temperature sensor is installed in refrigerant liquid pipe, and three-temperature sensor is between refrigerant liquid mouth and heat pipe backboard.
Preferably, described anti-condensation hot-pipe system also includes water inlet pipe and outlet pipe, and water inlet pipe is installed in water inlet, and outlet pipe is installed in outlet.
Preferably, described first temperature sensor is installed in water inlet pipe.
Preferably, described dynamoelectric water valve, the second temperature sensor are assembled on outlet pipe.
Preferably, described second temperature sensor is between dynamoelectric water valve and outlet.
Preferably, described heat pipe backboard includes multiple backboard unit adjacent one another are, and one end of multiple backboard unit connects with cold-producing medium QI KOU respectively, and the other end of multiple backboard unit connects with refrigerant liquid mouth respectively.
Preferably, each described backboard unit all includes vaporizer, is attached at the aerofoil fan of vaporizer, motor that drive shaft flow fan rotates, is installed in the photoelectric sensor of motor, photoelectric sensor is for measuring the rotating speed of aerofoil fan, and motor, photoelectric sensor are electrically connected with the controller respectively.
The beneficial effects of the utility model: the anti-condensation hot-pipe system of this utility model sets up the first temperature sensor, second temperature sensor and controller, the standard temperature difference set in advance with controller compares with the actual temperature difference of inflow temperature by the leaving water temperature of heat exchanger to utilize controller, and then the aperture size of regulation and control dynamoelectric water valve, thus in controlling the unit interval, flow out the cooling water water yield of dynamoelectric water valve, both the liquid temperature that can ensure the cold-producing medium of outflow heat exchanger is unlikely too low and causes condensation, heat exchanger Inlet and outlet water heat transfer temperature difference can be ensured again, guarantee that heat exchange amount meets the heat exchange demand of heat pipe backboard.
Accompanying drawing explanation
Fig. 1 is circuit configurations schematic diagram of the present utility model；
Fig. 2 is the sectional view of heat exchanger of the present utility model.
Reference includes:
1 heat pipe backboard 11 backboard unit 2 heat exchanger
21 cold-producing medium QI KOU 22 refrigerant liquid mouth 23 water inlets
24 outlet 3 dynamoelectric water valve 4 controllers
51 first temperature sensor 52 second temperature sensor 53 three-temperature sensors
61 cold-producing medium trachea 62 refrigerant liquid pipe 63 water inlet pipes
64 outlet pipes.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, being further described this utility model below in conjunction with embodiment and accompanying drawing, the content that embodiment is mentioned is not to restriction of the present utility model.
nullRefer to Fig. 1 and Fig. 2，The anti-condensation hot-pipe system of one of the present utility model，Including heat pipe backboard 1、Heat exchanger 2 and dynamoelectric water valve 3，Heat exchanger 2 is provided with cold-producing medium QI KOU 21、Refrigerant liquid mouth 22、Water inlet 23 and outlet 24，Cold-producing medium QI KOU 21 is interconnected with refrigerant liquid mouth 22，Water inlet 23 is interconnected with outlet 24，One end of heat pipe backboard 1 connects with cold-producing medium QI KOU 21，The other end of heat pipe backboard 1 connects with refrigerant liquid mouth 22，Dynamoelectric water valve 3 connects with outlet 24，Also include controller 4、First temperature sensor 51 and the second temperature sensor 52，First temperature sensor 51 is installed in water inlet 23，For measuring the inflow temperature of heat exchanger 2，Second temperature sensor 52 is installed in outlet 24，For measuring the leaving water temperature of heat exchanger 2，Dynamoelectric water valve 3、First temperature sensor 51、Second temperature sensor 52 electrically connects with controller 4 respectively，Such as，Dynamoelectric water valve 3、First temperature sensor 51、Second temperature sensor 52 is connected with controller 4 by cable respectively.
The anti-condensation hot-pipe system of this utility model sets up the first temperature sensor the 51, second temperature sensor 52 and controller 4; the standard temperature difference set in advance with controller 4 compares with the actual temperature difference of inflow temperature by the leaving water temperature of heat exchanger 2 to utilize controller 4; and then the aperture size of regulation and control dynamoelectric water valve 3; thus in controlling the unit interval, flow through the cooling water water yield of heat exchanger 2; both the refrigerant temperature that can ensure outflow heat exchanger 2 is unlikely too low and causes condensation; heat exchanger 2 Inlet and outlet water heat transfer temperature difference can be ensured again, it is ensured that heat exchange amount meets the heat exchange demand of heat pipe backboard 1.
Described heat exchanger 2 is cold allocation unit (i.e. CDU, full name Cooling Distribution Unit), condenser system can also be referred to as, conventional for shell and tube exchanger or plate type heat exchanger, heat exchanger 2 flows out for the gaseous refrigerant in inflow heat exchanger 2 is transformed into liquid refrigerant, after in gaseous refrigerant inflow heat exchanger 2, the cooling water in inflow heat exchanger 2 and gaseous refrigerant heat exchange, and then gaseous refrigerant is transformed into liquid refrigerant.
In the present embodiment, heat pipe backboard 1 is arranged on inside machine room, heat exchanger 2 is installed outside machine room, the liquid refrigerant that heat exchanger 2 flows out is flowed in heat pipe backboard 1 by refrigerant liquid mouth 22, liquid refrigerant undergoes phase transition in heat pipe backboard 1 and becomes gaseous refrigerant, cold-producing medium, during liquid becomes the phase transformation of gaseous state, absorbs the heat in machine room, and then realizes the cooling to machine room.Gaseous refrigerant is flowed out from heat pipe backboard 1 and is flowed into heat exchanger 2 by cold-producing medium QI KOU 21, cooling water in water inlet 23 inflow heat exchanger 2 and gaseous refrigerant carry out heat exchange, and then gaseous refrigerant is become again liquid refrigerant, it is outside that cooling water after heat exchange flows out to heat exchanger 2 by outlet 24, liquid refrigerant is back in heat pipe backboard 1 again by refrigerant liquid mouth 22, forms kind of refrigeration cycle.
The inflow temperature that described first temperature sensor 51 measures heat exchanger 2 is T1, it is T2 that second temperature sensor 52 measures the leaving water temperature of heat exchanger 2, △ T=T2-T1, controller 4 sets the Inlet and outlet water standard temperature difference of heat exchanger 2 as T4, controller 4 is by comparing the size of △ T Yu T4, and then the aperture size of regulation and control dynamoelectric water valve 3.Such as, as △ T=T4, actual aperture is the aperture upper limit the 50% of dynamoelectric water valve 3；When △ T is < during T4, the actual aperture of dynamoelectric water valve 3 is between aperture lower limit and the 50% of the aperture upper limit, difference size according to △ T Yu T4, the actual aperture of regulation and control dynamoelectric water valve 3, the difference of △ T with T4 is the biggest, the actual aperture of dynamoelectric water valve 3 more trends towards aperture lower limit, and along with the difference of △ T with T4 is gradually reduced, the actual aperture of dynamoelectric water valve 3 just gradually rises up to the 50% of the aperture upper limit from aperture lower limit.In like manner, as △ T > T4, the actual aperture of dynamoelectric water valve 3 is between 50% and the aperture upper limit of the aperture upper limit, difference size according to △ T Yu T4, the actual aperture of regulation and control dynamoelectric water valve 3, the difference of △ T with T4 is the biggest, and the actual aperture of dynamoelectric water valve 3 more trends towards the aperture upper limit, along with the difference of △ T with T4 is gradually reduced, the actual aperture of dynamoelectric water valve 3 just gradually decreases down the 50% of the aperture upper limit from the aperture upper limit.
Described anti-condensation hot-pipe system also includes three-temperature sensor 53, three-temperature sensor 53 is installed in refrigerant liquid mouth 22, three-temperature sensor 53 measures the temperature of the liquid refrigerant of outflow heat exchanger 2, three-temperature sensor 53 electrically connects with controller 4, and three-temperature sensor 53 equally uses cable to be connected with controller 4.
The temperature of the liquid refrigerant that described three-temperature sensor 53 measures outflow heat exchanger 2 is T3, controller 4 set the standard temperature lower limit of the liquid refrigerant of outflow heat exchanger 2 as T5, standard temperature the upper limit as T6, controller 4 is by comparing the size of T3 Yu T5, T6, and then the size of the aperture upper limit of regulation and control dynamoelectric water valve 3.Such as, when T3 < during T5, the aperture upper limit is specified aperture the 50% of dynamoelectric water valve 3；As T3 > T6 time, the aperture upper limit is specified aperture the 100% of dynamoelectric water valve 3；As T5≤T3≤T6, the aperture upper limit of dynamoelectric water valve 3 is in the 50% ~ 100% of specified aperture, wherein, the difference of T3 with T5 is the biggest, the aperture upper limit of dynamoelectric water valve 3 is the closer to the 100% of specified aperture, and the difference of T3 with T5 is the least, and the aperture upper limit of dynamoelectric water valve 3 is the closer to the 50% of specified aperture, along with being continually changing of T3 with T5 difference, the aperture upper limit of dynamoelectric water valve 3 is continually changing in 50% ~ 100% interval of specified aperture.
Described anti-condensation hot-pipe system also includes cold-producing medium trachea 61 and refrigerant liquid pipe 62, the two ends of cold-producing medium trachea 61 are respectively installed in one end of cold-producing medium QI KOU 21 and heat pipe backboard 1, and the two ends of refrigerant liquid pipe 62 are respectively installed in the other end of refrigerant liquid mouth 22 and heat pipe backboard 1.By setting up cold-producing medium trachea 61 and refrigerant liquid pipe 62, it is ensured that the gaseous refrigerant that heat pipe backboard 1 flows out is flowed in heat exchanger 2 along cold-producing medium trachea 61, the liquid refrigerant that heat exchanger 2 flows out is flowed in heat pipe backboard 1 along refrigerant liquid pipe 62.Preferably, cold-producing medium trachea 61, refrigerant liquid pipe 62 are flexible pipe, facilitate the installation of whole condensation-proof hot-pipe system.
In the present embodiment, three-temperature sensor 53 is installed on refrigerant liquid pipe 62, three-temperature sensor 53 is between refrigerant liquid mouth 22 and heat pipe backboard 1, three-temperature sensor 53 is avoided directly to contact with heat exchanger 2 or heat pipe backboard 1, the temperature preventing heat exchanger 2 or heat pipe backboard 1 self affects the measurement result of three-temperature sensor 53, it is ensured that three-temperature sensor 53 can accurately measure the actual temperature value of liquid refrigerant.
Described anti-condensation hot-pipe system also includes water inlet pipe 63 and outlet pipe 64, and water inlet pipe 63 is installed in the water inlet 23 of heat exchanger 2, and outlet pipe 64 is installed in the outlet 24 of heat exchanger 2.Time actually used, starting dynamoelectric water valve 3, the cooling water of dynamoelectric water valve 3 outside is pumped in heat exchanger 2 along water inlet pipe 63, and cooling water carries out heat exchange with gaseous refrigerant in heat exchanger 2, and the cooling water after heat exchange is again by outlet 24 outflow heat exchanger 2.Certainly, water inlet pipe 63 and outlet pipe 64 equally use flexible pipe.
In the present embodiment, described first temperature sensor 51 is installed on water inlet pipe 63, first temperature sensor 51 does not directly contact with heat exchanger 2, the temperature preventing heat exchanger 2 self affects the measurement result of the first temperature sensor 51, it is ensured that the first temperature sensor 51 can accurately measure the actual temperature value of the cooling water entered in heat exchanger 2.
Described dynamoelectric water valve the 3, second temperature sensor 52 is all installed on outlet pipe 64, by being arranged on outlet pipe 64 by dynamoelectric water valve 3, simplifies the integrated model design of heat exchanger 2, it is to avoid arrange the installation site installed needed for dynamoelectric water valve 3 on heat exchanger 2.By the second temperature sensor 52 is arranged on outlet pipe 64, the second temperature sensor 52 is avoided directly to contact with heat exchanger 2, the temperature preventing heat exchanger 2 self affects the measurement result of the second temperature sensor 52, it is ensured that the second temperature sensor 52 can accurately measure the actual temperature value of the cooling water of outflow heat exchanger 2.Preferably, the second temperature sensor 52, between dynamoelectric water valve 3 and outlet 24, can also avoid the temperature of dynamoelectric water valve 3 self to affect the measurement result of the second temperature sensor 52 simultaneously.
Described heat pipe backboard 1 includes multiple backboard unit 11 adjacent one another are, one end of multiple backboard unit 11 connects with cold-producing medium QI KOU 21 respectively, the other end of multiple backboard unit 11 connects with refrigerant liquid mouth 22 respectively, in the present embodiment, one end of multiple backboard unit 11 connects with cold-producing medium trachea 61 respectively, the other end of multiple backboard unit 11 connects with refrigerant liquid pipe 62 respectively, so, realize the parallel connection of multiple backboard unit 11, after the most a certain backboard unit 11 damages, do not affect the normal cooling of whole anti-condensation hot-pipe system, extend the service life of anti-condensation hot-pipe system.
Each described backboard unit 11 all includes the motor that vaporizer, the aerofoil fan on an evaporator that is sticked, drive shaft flow fan rotate, the photoelectric sensor being installed on motor, also gap can be had between aerofoil fan and vaporizer, time actually used, vaporizer, aerofoil fan, motor are installed in machine room, photoelectric sensor is for measuring the rotating speed of aerofoil fan, motor, photoelectric sensor electrically connect with controller 4 respectively, certainly, motor, photoelectric sensor can be connected with controller 4 respectively by cable.
After the liquid refrigerant entering described backboard unit 11 undergoes phase transition heat absorption, the air making backboard unit 11 adnexa becomes cold air, aerofoil fan blows the air flowing in machine room, make the cold air near backboard unit 11 and the hot-air generation thermal convection current in machine room, cooling efficiency in winding houses so that machine room is lowered the temperature rapidly.Photoelectric sensor sends the aerofoil fan rotating speed of mensuration to controller 4, the rotating speed that photoelectric sensor measures is compared by controller 4 with rated rotational frequency, when the actual speed of axial flow blower is less than rated rotational frequency, controller 4 increases the input current of motor and then increases the rotating speed of axial flow blower；When the actual speed of axial flow blower is more than rated rotational frequency, controller 4 reduces the input current of motor and then reduces the rotating speed of axial flow blower；When because of damage, actual speed is zero to axial flow blower, motor in the backboard unit 11 that controller 4 regulation and control are adjacent with the backboard unit 11 damaged, increase the input current of aforementioned motor, and then increasing the rotating speed of the aerofoil fan being connected with aforementioned motor, it is ensured that the refrigerating capacity output of whole condensation-proof hot-pipe system is constant.
Upper content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the most all will change, this specification content should not be construed as restriction of the present utility model.
Claims (10)
1. an anti-condensation hot-pipe system, including heat pipe backboard, heat exchanger and dynamoelectric water valve, heat exchanger is provided with cold-producing medium QI KOU, refrigerant liquid mouth, water inlet and outlet, cold-producing medium QI KOU connects with refrigerant liquid mouth, water inlet connects with outlet, one end of heat pipe backboard connects with cold-producing medium QI KOU, the other end of heat pipe backboard connects with refrigerant liquid mouth, dynamoelectric water valve connects with outlet, it is characterized in that: also include controller, first temperature sensor and the second temperature sensor, first temperature sensor is installed in water inlet, second temperature sensor is installed in outlet, dynamoelectric water valve, first temperature sensor, second temperature sensor is electrically connected with the controller respectively.
Anti-condensation hot-pipe system the most according to claim 1, it is characterised in that: described anti-condensation hot-pipe system also includes three-temperature sensor, and three-temperature sensor is installed in refrigerant liquid mouth, and three-temperature sensor is electrically connected with the controller.
Anti-condensation hot-pipe system the most according to claim 2, it is characterized in that: described anti-condensation hot-pipe system also includes cold-producing medium trachea and refrigerant liquid pipe, the two ends of cold-producing medium trachea are installed in one end of cold-producing medium QI KOU and heat pipe backboard respectively, and the two ends of refrigerant liquid pipe are installed in the other end of refrigerant liquid mouth and heat pipe backboard respectively.
Anti-condensation hot-pipe system the most according to claim 3, it is characterised in that: described three-temperature sensor is installed in refrigerant liquid pipe, and three-temperature sensor is between refrigerant liquid mouth and heat pipe backboard.
Anti-condensation hot-pipe system the most according to claim 1, it is characterised in that: described anti-condensation hot-pipe system also includes water inlet pipe and outlet pipe, and water inlet pipe is installed in water inlet, and outlet pipe is installed in outlet.
Anti-condensation hot-pipe system the most according to claim 5, it is characterised in that: described first temperature sensor is installed in water inlet pipe.
Anti-condensation hot-pipe system the most according to claim 5, it is characterised in that: described dynamoelectric water valve, the second temperature sensor are assembled on outlet pipe.
Anti-condensation hot-pipe system the most according to claim 7, it is characterised in that: described second temperature sensor is between dynamoelectric water valve and outlet.
Anti-condensation hot-pipe system the most according to claim 1, it is characterized in that: described heat pipe backboard includes multiple backboard unit adjacent one another are, one end of multiple backboard unit connects with cold-producing medium QI KOU respectively, and the other end of multiple backboard unit connects with refrigerant liquid mouth respectively.
Anti-condensation hot-pipe system the most according to claim 9, it is characterized in that: each described backboard unit all includes vaporizer, is attached at the aerofoil fan of vaporizer, motor that drive shaft flow fan rotates, is installed in the photoelectric sensor of motor, photoelectric sensor is for measuring the rotating speed of aerofoil fan, and motor, photoelectric sensor are electrically connected with the controller respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471052.1U CN205783975U (en) | 2016-05-23 | 2016-05-23 | A kind of anti-condensation hot-pipe system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620471052.1U CN205783975U (en) | 2016-05-23 | 2016-05-23 | A kind of anti-condensation hot-pipe system |
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| CN205783975U true CN205783975U (en) | 2016-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887136A (en) * | 2018-09-10 | 2020-03-17 | 盾安环境技术有限公司 | Air conditioner and control method thereof |
| CN114756099A (en) * | 2022-04-18 | 2022-07-15 | 苏州浪潮智能科技有限公司 | Protection system and method for cold liquid distribution device, cold liquid distribution device and cabinet |
-
2016
- 2016-05-23 CN CN201620471052.1U patent/CN205783975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887136A (en) * | 2018-09-10 | 2020-03-17 | 盾安环境技术有限公司 | Air conditioner and control method thereof |
| CN114756099A (en) * | 2022-04-18 | 2022-07-15 | 苏州浪潮智能科技有限公司 | Protection system and method for cold liquid distribution device, cold liquid distribution device and cabinet |
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