Hydraulic module control box for heat dissipation system and heat dissipation system

Abstract

The utility model discloses a hydraulic module control box for a heat dissipation system and the heat dissipation system. When the hydraulic module control box takes power, the power can be respectively taken through the main power supply contactor and the standby power supply contactor, and the main power supply contactor and the standby power supply contactor are arranged in a mechanical interlocking manner, so that when the main power supply fails, the power can be continuously taken to the hydraulic module control box through the standby power supply contactor; besides, when the first water pump, the second water pump and the condensation fan take electricity from the main power supply contactor or the standby power supply contactor, redundancy design is adopted, so that when any contactor in the first water pump, the second water pump and the condensation fan breaks down, the function of a component corresponding to the broken-down contactor can still be normally operated, and the reliability of the system is improved. And the stability of the heat dissipation system is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cooling tower heat dissipation technical field especially, relates to a water power module control box for heat dissipation system and heat dissipation system. BACKGROUND

[0002] The heat dissipation system (water cooling heat dissipation system or liquid cooling heat dissipation system) in traditional cooling tower configures the circulating module of primary side as the power module of heat dissipation end, that is, the water power module.

[0003] At present, the contactor of most key action components is not designed redundantly in the design of commonly used water power module control box, therefore, the contactor in the position without redundancy design is prone to single point failure risk, thereby the function of the component corresponding to the fault contactor is shut down, and the stable heat dissipation of the heat dissipation system is affected.

[0004] Therefore, the prior art still needs to be improved and developed. INVENTION CONTENTS

[0005] In view of the above problems of the prior art, the utility model aims at providing a water power module control box for heat dissipation system and heat dissipation system to solve the problem that the contactor of most key action components of the water power module control box in the prior art is not designed redundantly, therefore, the contactor in the position without redundancy design is prone to single point failure risk, thereby the function of the component corresponding to the fault contactor is shut down, and the stable heat dissipation of the heat dissipation system is affected.

[0006] The utility model provides a water power module control box for heat dissipation system, the heat dissipation system includes first water pump, second water pump and condensing fan, its characterized in that, the water power module control box includes box body and the controller that sets up in the box body, with main power connection main power contactor, with spare power connection spare power contactor, first water pump driver, second water pump driver, condensing fan driver, first frequency conversion contactor, first power frequency contactor, second frequency conversion contactor, second power frequency contactor, condensing fan frequency conversion contactor and condensing fan power frequency contactor are set up in the box body,

[0007] The main power contactor is used to close when the spare power contactor is disconnected or fails;

[0008] The spare power contactor is used to close when the main power contactor is disconnected or fails;

[0009] The controller is connected with the first frequency conversion contactor, the first power frequency contactor, the second frequency conversion contactor, the second power frequency contactor, the condensing fan frequency conversion contactor and the condensing fan power frequency contactor;

[0010] The main power contactor is connected with the first variable frequency contactor, the first power frequency contactor, the second variable frequency contactor, the second power frequency contactor, the condensing fan variable frequency contactor and the condensing fan power frequency contactor.

[0011] The standby power contactor is connected with the first variable frequency contactor, the first power frequency contactor, the second variable frequency contactor, the second power frequency contactor, the condensing fan variable frequency contactor and the condensing fan power frequency contactor.

[0012] The first variable frequency contactor is connected with the first water pump through the first water pump driver, and the first power frequency contactor is connected with the first water pump; the first variable frequency contactor is used for being closed when the first power frequency contactor is disconnected or fails, and the first power frequency contactor is used for being closed when the first variable frequency contactor is disconnected or fails.

[0013] The second variable frequency contactor is connected with the second water pump through the second water pump driver, and the second power frequency contactor is connected with the second water pump; the second variable frequency contactor is used for being closed when the second power frequency contactor is disconnected or fails, and the second power frequency contactor is used for being closed when the second variable frequency contactor is disconnected or fails.

[0014] The condensing fan variable frequency contactor is connected with the condensing fan through the condensing fan driver, and the condensing fan power frequency contactor is connected with the condensing fan; the condensing fan variable frequency contactor is used for being closed when the condensing fan power frequency contactor is disconnected or fails, and the condensing fan power frequency contactor is used for being closed when the condensing fan variable frequency contactor is disconnected or fails.

[0015] Further arrangement of the utility model, the water conservancy module control box still includes: cooling water circulating pump motor protector that sets up in the box, the main power contactor is connected with the cooling water circulating pump contactor through the cooling water circulating pump motor protector, the standby power contactor is connected with the cooling water circulating pump contactor through the cooling water circulating pump motor protector.

[0016] Further arrangement of the utility model, the water conservancy module control box still includes: main power air switch, standby power air switch, first water pump air switch, second water pump air switch, condensing fan air switch, cooling water circulating pump air switch and controller air switch.

[0017] One end of the main power air switch is connected with the main power contactor, and the other end of the main power air switch is connected with the main power.

[0018] One end of the standby power air switch is connected with the standby power contactor, and the other end of the standby power air switch is connected with the standby power.

[0019] One end of the first water pump air switch is connected with the main power contactor and the standby power contactor, and the other end of the first water pump air switch is connected with the first frequency conversion contactor and the first power frequency contactor.

[0020] One end of the second water pump air switch is connected with the main power contactor and the standby power contactor, and the other end of the second water pump air switch is connected with the second frequency conversion contactor and the second power frequency contactor.

[0021] One end of the condenser fan air switch is connected with the main power contactor and the standby power contactor, and the other end of the condenser fan air switch is connected with the condenser fan frequency conversion contactor and the condenser fan power frequency contactor.

[0022] One end of the cooling water circulating pump air switch is connected with the main power contactor and the standby power contactor, and the other end of the cooling water circulating pump air switch is connected with the cooling water circulating pump contactor.

[0023] One end of the controller air switch is connected with the main power contactor and the standby power contactor, and the other end of the controller air switch is connected with the controller.

[0024] Further arrangement of the utility model, the water power module control box still includes: condenser fan motor protector, the condenser fan frequency conversion contactor with the condenser fan power frequency contactor is connected with the condenser fan through the condenser fan motor protector.

[0025] Further arrangement of the utility model, the water power module control box still includes: first water pump filter, first water pump filter and condenser fan filter.

[0026] The first water pump filter is arranged on the connecting road of the first frequency conversion contactor and the first water pump driver.

[0027] The first water pump filter is arranged on the connecting road of the second frequency conversion contactor and the second water pump driver.

[0028] The condenser fan filter is arranged on the connecting road of the condenser fan frequency conversion contactor and the condenser fan driver.

[0029] Further arrangement of the utility model, the water power module control box still includes:

[0030] A heat dissipation assembly for dissipating heat of the first water pump driver, the second water pump driver and the condenser fan driver, the heat dissipation assembly is arranged in the box body, and the heat dissipation assembly is connected with the main power contactor and the standby power contactor.

[0031] Further provided in the utility model is that the heat dissipation assembly comprises: a heat dissipation fan for dissipating heat of the first water pump driver, the second water pump driver and the condenser fan driver, a first switch and a current transformer for monitoring the running state of the heat dissipation fan.

[0032] The heat dissipation fan is connected with the main power contactor and the standby power contactor through the first switch, and the current transformer is connected with the controller.

[0033] Further provided in the utility model is that the water power module control box further comprises: a man-machine interaction screen arranged in the box body, and the man-machine interaction screen is connected with the controller.

[0034] The utility model further provides a heat dissipation system, including the water power module control box for heat dissipation system as described above.

[0035] Beneficial effects:

[0036] In the technical scheme of the utility model, when the water power module control box takes power, power can be taken through the main power contactor and the standby power contactor respectively, and the main power contactor and the standby power contactor are arranged in mechanical interlocking mode, so that when the main power fails, power can still be taken to the water power module control box through the standby power contactor; in addition, when the first water pump, the second water pump and the condenser fan take power from the main power contactor or the standby power contactor, a redundant design is adopted, so that when any contactor in the first water pump, the second water pump and the condenser fan fails, the function of the component corresponding to the failed contactor can still be normally operated, and the stability of the heat dissipation system is improved. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for ordinary people in the art, other drawings can be obtained from the structure shown in the drawings without creative labor.

[0038] Figure 1 It is the structure schematic view of the water power module control box for heat dissipation system of the utility model.

[0039] Figure 2It is the circuit structure schematic view of the hydraulic module control box in one embodiment of the utility model.

[0040] Figure 3 It is the communication structure schematic view in the hydraulic module control box in one embodiment of the utility model.

[0041] The marks in the drawing: 10, box body; 11, main power contactor; 12, spare power contactor; 13, first water pump driver; 14, second water pump driver; 15, condensing fan driver; 16, first frequency conversion contactor; 17, first power frequency contactor; 18, second frequency conversion contactor; 19, second power frequency contactor; 20, condensing fan frequency conversion contactor; 21, condensing fan power frequency contactor; 22, controller; 23, cooling water circulating pump contactor; 24, cooling water circulating pump motor protector; 25, main power air switch; 26, spare power air switch; 27, first water pump air switch; 28, second water pump air switch; 29, condensing fan air switch; 30, cooling water circulating pump air switch; 31, controller air switch; 32, condensing fan motor protector; 33, first water pump filter; 34, second water pump filter; 35, condensing fan filter; 36, host computer monitoring host; 37, temperature and humidity sensor; 38, first switch; 39, man-machine interaction screen. DETAILED DESCRIPTION

[0042] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described in detail by referring to the drawings. In the following description, it should be understood that the directions or position relations indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" are based on the directions or position relations shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the technical scheme, and cannot be understood as indicating that the indicated device or element must have a particular direction, thus cannot be understood as limiting the utility model.

[0043] As shown in Figure 1 , Figure 2 , a kind of hydraulic module control box for heat dissipation system provided by the utility model;The heat dissipation system can include first water pump, second water pump and condensing fan;The hydraulic module control box can include box body 10 and controller 22 arranged in box body 10, main power contactor 11 connected with main power, spare power contactor 12 connected with spare power, first water pump driver 13, second water pump driver 14, condensing fan driver 15, first frequency conversion contactor 16, first power frequency contactor 17, second frequency conversion contactor 18, second power frequency contactor 19, condensing fan frequency conversion contactor 20 and condensing fan power frequency contactor 21.

[0044] The main power contactor 11 is used to close when the standby power contactor 12 is disconnected or fails. The standby power contactor 12 is used to close when the main power contactor 11 is disconnected or fails. The controller 22 is connected with the first variable frequency contactor 16, the first power frequency contactor 17, the second variable frequency contactor 18, the second power frequency contactor 19, the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21. The main power contactor 11 is connected with the first variable frequency contactor 16, the first power frequency contactor 17, the second variable frequency contactor 18, the second power frequency contactor 19, the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21. The standby power contactor 12 is connected with the first variable frequency contactor 16, the first power frequency contactor 17, the second variable frequency contactor 18, the second power frequency contactor 19, the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21. The first variable frequency contactor 16 is connected with the first water pump through the first water pump driver 13, and the first power frequency contactor 17 is connected with the first water pump. The first variable frequency contactor 16 is used to close when the first power frequency contactor 17 is disconnected or fails, and the first power frequency contactor 17 is used to close when the first variable frequency contactor 16 is disconnected or fails. The second variable frequency contactor 18 is connected with the second water pump through the second water pump driver 14, and the second power frequency contactor 19 is connected with the second water pump. The second variable frequency contactor 18 is used to close when the second power frequency contactor 19 is disconnected or fails, and the second power frequency contactor 19 is used to close when the second variable frequency contactor 18 is disconnected or fails. The condenser fan variable frequency contactor 20 is connected with the condenser fan through the condenser fan driver 15, and the condenser fan power frequency contactor 21 is connected with the condenser fan. The condenser fan variable frequency contactor 20 is used to close when the condenser fan power frequency contactor 21 is disconnected or fails, and the condenser fan power frequency contactor 21 is used to close when the condenser fan variable frequency contactor 20 is disconnected or fails.

[0045] Specifically, when the water power module control box takes power, one way of city power (main power) is taken through the main power contactor 11, and one way of city power (standby power) is taken through the standby power contactor 12. The main power contactor 11 and the standby power contactor 12 are designed in a mechanical interlocking manner, that is, when the main power contactor 11 and the standby power contactor 12 have city power input and can work normally, one of the main power contactor 11 and the standby power contactor 12 is in a closed state through the controller 22. At this time, the water power module control box can take city power. When any one of the main power contactor 11 or the standby power contactor 12 is disconnected, the controller 22 controls the other normally working contactor to close, so that the water power module control box can continue to take city power.

[0046] In a specific embodiment, when the main power contactor 11 and the standby power contactor 12 are powered on, the controller 22 controls the main power contactor to close after a delay of ten seconds, and when the main power contactor 11 is powered off, the controller 22 further controls the standby power contactor 12 to close, so that the hydraulic module control box can still obtain commercial power.

[0047] The first variable frequency contactor 16 and the first power frequency contactor 17 are set in a mechanical interlocking design, so that when the first water pump is powered on, the controller 22 controls one of the first variable frequency contactor 16 and the first power frequency contactor 17 to be in a closed state, and the other to be in an open state, and when any one of the first variable frequency contactor 16 and the first power frequency contactor 17 is powered off, the controller 22 controls the other to be closed to continue to supply power to the first water pump. Therefore, when the first water pump is powered, the commercial power input into the hydraulic module control box can be supplied to the first water pump through the first variable frequency contactor 16 and the first water pump driver 13, or through the first power frequency contactor 17. When the first water pump is working, the controller 22 defaults to control the first variable frequency contactor 16 to be closed, and if the first variable frequency contactor 16 fails or the communication between the first water pump driver 13 and the controller 22 is interrupted, the controller 22 controls the first power frequency contactor 17 to be closed, so that the first water pump continues to run at full power frequency.

[0048] The second variable frequency contactor 18 and the second power frequency contactor 19 are set in a mechanical interlocking design, so that when the second water pump is powered on, the controller 22 controls one of the second variable frequency contactor 18 and the second power frequency contactor 19 to be in a closed state, and the other to be in an open state, and when any one of the second variable frequency contactor 18 and the second power frequency contactor 19 is powered off, the controller 22 controls the other to be closed to continue to supply power to the second water pump. Therefore, when the second water pump is powered, the commercial power input into the hydraulic module control box can be supplied to the second water pump through the second variable frequency contactor 18 and the second water pump driver 14, or through the second power frequency contactor 19. When the second water pump is working, the controller 22 defaults to control the second variable frequency contactor 18 to be closed, and if the second variable frequency contactor 18 fails or the communication between the second water pump driver 14 and the controller 22 is interrupted, the controller 22 controls the second power frequency contactor 19 to be closed, so that the second water pump continues to run at full power frequency.

[0049] The condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21 are arranged in a mechanical interlocking manner, so that when the condenser fan is powered, the controller 22 controls one of the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21 to be closed and the other to be opened, and when any of the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21 is powered off, the controller 22 controls the other to be closed to continue to supply power to the condenser fan. As can be seen, when the condenser fan is powered, the power supply connected to the water module control box can supply power to the condenser fan through the condenser fan variable frequency contactor 20 and the condenser fan driver 15, or through the condenser fan power frequency contactor 21. When the condenser fan is working, the controller 22 defaults to closing the condenser fan variable frequency contactor 20, and if the condenser fan variable frequency contactor 20 fails or the communication between the condenser fan driver 15 and the controller 22 is interrupted, the controller 22 controls the condenser fan power frequency contactor 21 to be closed to keep the condenser fan running at full power.

[0050] In this embodiment, the first water pump and the second water pump are redundantly designed, that is, when the first water pump is working, if the first water pump fails, the controller 22 drives the second water pump to work, and if both the first water pump and the second water pump can work normally, the controller 22 is provided with a round-robin time, for example, the round-robin time can be set to seven days, nine days, ten days, etc., and when the single working time of the first water pump or the second water pump reaches the round-robin time, the controller 22 drives the other water pump (after the single working time of the first water pump reaches the round-robin time, the controller 22 drives the second water pump to work; after the single working time of the second water pump reaches the round-robin time, the controller 22 drives the first water pump to work, and the cycle continues) to work.

[0051] As can be seen, when the main power fails, the standby power contactor 12 can still supply power to the water module control box. In addition, when the first water pump, the second water pump and the condenser fan are powered from the main power contactor 11 or the standby power contactor 12, they are all redundantly designed, so that when any of the first water pump, the second water pump and the condenser fan fails, the function of the component corresponding to the failed contactor can still work normally, and the first water pump and the second water pump are redundantly designed, so that the stability of the heat dissipation system is improved.

[0052] In this embodiment, the model of the controller 22 can be but is not limited to XBK-01, and the controller 22 of this model is built based on STM32F103VCT. The first water pump driver 13 is a variable frequency driver, which is a frequency regulation driver for the first water pump. The second water pump driver 14 is a variable frequency driver, which is a frequency regulation driver for the second water pump. The condenser fan driver 15 is a variable frequency driver, which is a frequency regulation driver for the condenser fan.

[0053] Further, as shown in Figure 1 the hydraulic module control box further comprises a cooling water circulating pump contactor 23, which is arranged in the box body 10 and is arranged in series on the connection path of the main power contactor 11 and the cooling water circulating pump in the heat dissipation system and on the connection path of the standby power contactor 12 and the cooling water circulating pump in the heat dissipation system.

[0054] In this embodiment, when the cooling water circulating pump is powered, when the main power contactor 11 is closed, the mains connected by the main power contactor 11 is supplied to the cooling water circulating pump through the main power contactor 11 and the cooling water circulating pump contactor 23; when the standby power contactor 12 is closed, the mains connected by the standby power contactor 12 is supplied to the cooling water circulating pump through the standby power contactor 12 and the cooling water circulating pump contactor 23.

[0055] Therefore, when the main power contactor 11 fails, the controller 22 can also continue to power the box cooling water circulating pump by closing the standby power contactor 12, so that the cooling water circulating pump continues to operate.

[0056] Among them, when starting the cooling water circulating pump, the DO port of the controller 22 outputs control instructions to the cooling water circulating pump contactor 23, so that the cooling water circulating pump contactor 23 is closed, and then the cooling water circulating pump is started; similarly, when stopping the cooling water circulating pump, the DO port of the controller 22 outputs control instructions to the cooling water circulating pump contactor 23, so that the cooling water circulating pump contactor 23 is disconnected, and then the cooling water circulating pump is stopped.

[0057] In some embodiments, as shown in Figure 1 the hydraulic module control box further comprises a cooling water circulating pump motor protector 24, which is arranged in the box body 10, the main power contactor 11 is connected with the cooling water circulating pump contactor 23 through the cooling water circulating pump motor protector 24, and the standby power contactor 12 is connected with the cooling water circulating pump contactor 23 through the cooling water circulating pump motor protector 24.

[0058] Specifically, when the main power contactor 11 is connected with the cooling water circulating pump contactor 23, the main power contactor 11 is connected with the cooling water circulating pump motor protector 24, and the cooling water circulating pump motor protector 24 is further connected with the cooling water circulating pump contactor 23, so that the main power contactor 11 is connected with the cooling water circulating pump contactor 23; when the standby power contactor 12 is connected with the cooling water circulating pump contactor 23, refer to the specific connection mode of the main power contactor 11 and the cooling water circulating pump contactor 23 described above, which will not be repeated here.

[0059] In the embodiment, when the cooling water circulating pump motor protector 24 is connected to the controller 22, the cooling water circulating pump motor protector 24 is connected to the corresponding DI port of the controller 22. The corresponding DI port means that there are several DI ports on the controller 22, and each device is connected to a DI port of the controller 22 to realize independent control of each device.

[0060] When the power supply connected by the main power contactor 11 supplies power to the cooling water circulating pump, the power supply connected by the main power contactor 11 supplies power to the cooling water circulating pump through the cooling water circulating pump motor protector 24 and the cooling water circulating pump contactor 23. When the power supply connected by the standby power contactor 12 supplies power to the cooling water circulating pump, the power supply connected by the standby power contactor 12 supplies power to the cooling water circulating pump through the cooling water circulating pump motor protector 24 and the cooling water circulating pump contactor 23.

[0061] In the embodiment, the cooling water circulating pump motor protector 24 is configured to enable the controller 22 to realize timely protection when the cooling water circulating pump motor is abnormal during operation, such as overload, underload, open phase, and phase voltage imbalance.

[0062] In some embodiments, as Figure 1 , Figure 2As shown, the hydraulic module control box further comprises a main power air switch 25, a backup power air switch 26, a first water pump air switch 27, a second water pump air switch 28, a condenser fan air switch 29, a cooling water circulating pump air switch 30, and a controller air switch 31; one end of the main power air switch 25 is connected with the main power contactor 11, and the other end of the main power air switch 25 is connected with the main power supply; one end of the backup power air switch 26 is connected with the backup power contactor 12, and the other end of the backup power air switch 26 is connected with the backup power supply; one end of the first water pump air switch 27 is connected with the main power contactor 11 and the backup power contactor 12, and the other end of the first water pump air switch 27 is connected with the first frequency conversion contactor 16 and the first power frequency contactor 17; one end of the second water pump air switch 28 is connected with the main power contactor 11 and the backup power contactor 12, and the other end of the second water pump air switch 28 is connected with the second frequency conversion contactor 18 and the second power frequency contactor 19; one end of the condenser fan air switch 29 is connected with the main power contactor 11 and the backup power contactor 12, and the other end of the condenser fan air switch 29 is connected with the condenser fan frequency conversion contactor 20 and the condenser fan power frequency contactor 21; one end of the cooling water circulating pump air switch 30 is connected with the main power contactor 11 and the backup power contactor 12, and the other end of the cooling water circulating pump air switch 30 is connected with the cooling water circulating pump contactor 23; one end of the controller air switch 31 is connected with the main power contactor 11 and the backup power contactor 12, and the other end of the controller air switch 31 is connected with the controller 22.

[0063] Specifically, the main power supply is connected with the main power contactor 11 through the main power air switch 25; the backup power supply is connected with the backup power contactor 12 through the backup power control switch; the power output of the main power contactor 11 is output to the first water pump air switch 27, the second water pump air switch 28, the condenser fan air switch 29, the cooling water circulating pump air switch 30, and the controller air switch 31; the power output of the backup power contactor 12 is output to the first water pump air switch 27, the second water pump air switch 28, the condenser fan air switch 29, the cooling water circulating pump air switch 30, and the controller air switch 31. When the first water pump takes power, the first water pump air switch 27 takes power from the main power contactor 11 or the backup power contactor 12. When the second water pump takes power, the second water pump air switch 28 takes power from the main power contactor 11 or the backup power contactor 12. When the condenser fan takes power, the condenser fan air switch 29 takes power from the main power contactor 11 or the backup power contactor 12. When the cooling water circulating pump takes power, the cooling water circulating pump air switch 30 takes power from the main power contactor 11 or the backup power contactor 12. When the controller 22 takes power, the controller air switch 31 takes power from the main power contactor 11 or the backup power contactor 12.

[0064] In the embodiment, the arrangement of the first water pump air switch 27, the second water pump air switch 28, the condenser fan air switch 29, the cooling water circulating pump air switch 30 and the controller air switch 31 improves the safety of the water force module control box for the heat dissipation system.

[0065] In some embodiments, as shown in FIG. 1, the water force module control box further comprises a condenser fan motor protector 32, and the condenser fan frequency conversion contactor 20 and the condenser fan power frequency contactor 21 are connected to the condenser fan through the condenser fan motor protector 32. Figure 1

[0066] When the condenser fan motor protector 32 is connected to the controller 22, the condenser fan motor protector 32 is connected to the corresponding DI port of the controller 22, wherein the corresponding DI port means that there are several DI ports on the controller 22, and each device is connected to a DI port of the controller 22 in order to realize independent control of each device.

[0067] Specifically, when the main power contactor 11 is connected to the condenser fan contactor, the main power contactor 11 is connected to the condenser fan motor protector 32, the condenser fan motor protector 32 is further connected to the condenser fan frequency conversion contactor 20 and the condenser fan power frequency contactor 21, and then the main power contactor 11 is connected to the condenser fan frequency conversion contactor 20 and the condenser fan power frequency contactor 21; when the standby power contactor 12 is connected to the condenser fan frequency conversion contactor 20 and the condenser fan power frequency contactor 21, the specific connection mode of the main power contactor 11 to the condenser fan frequency conversion contactor 20 and the condenser fan power frequency contactor 21 is referred to, and will not be described here.

[0068] In the embodiment, when the mains connected through the main power contactor 11 supplies power to the condenser fan, the mains connected through the main power contactor 11 supplies power to the condenser fan through the condenser fan motor protector 32 and the condenser fan contactor; when the mains connected through the standby power contactor 12 supplies power to the condenser fan, the mains connected through the standby power contactor 12 supplies power to the condenser fan through the condenser fan motor protector 32 and the condenser fan contactor.

[0069] In the embodiment, the arrangement of the condenser fan motor protector 32 enables the controller 22 to realize timely protection when the condenser fan motor is abnormal during operation, such as overload, underload, open phase, phase voltage imbalance, etc.

[0070] In some embodiments, as shown in FIG. 1, the water force module control box further comprises a condenser fan motor protector 32, and the condenser fan frequency conversion contactor 20 and the condenser fan power frequency contactor 21 are connected to the condenser fan through the condenser fan motor protector 32. Figure 1 Figure 2 ​​As shown, the water module control box further comprises a first water pump filter 33, a second water pump filter 34, and a condenser fan filter 35; the first water pump filter 33 is arranged in series on the connection path between the first frequency conversion contactor 16 and the first water pump driver 13; the second water pump filter 34 is arranged in series on the connection path between the second frequency conversion contactor 18 and the second water pump driver 14; and the condenser fan filter 35 is arranged in series on the connection path between the condenser fan frequency conversion contactor 20 and the condenser fan driver 15.

[0071] In this embodiment, when the first water pump is powered, the power supply connected by the main power contactor 11 or the standby power contactor 12 is filtered by the first water pump filter 33 when supplied to the first water pump through the first frequency conversion contactor 16, so that the interference signals in the power supply voltage output to the first water pump are filtered. When the second water pump is powered, the power supply connected by the main power contactor 11 or the standby power contactor 12 is filtered by the second water pump filter 34 when supplied to the second water pump, so that the interference signals in the power supply voltage output to the second water pump are filtered. When the condenser fan is powered, the power supply connected by the main power contactor 11 or the standby power contactor 12 is filtered by the condenser fan filter 35 when supplied to the condenser fan through the condenser fan frequency conversion contactor 20, so that the interference signals in the power supply voltage output to the condenser fan are filtered.

[0072] In some embodiments, as shown in Figure 1 , Figure 2 As shown, the water module control box further comprises a heat dissipation assembly for dissipating heat generated by the first water pump driver 13, the second water pump driver 14, and the condenser fan driver 15; the heat dissipation assembly is arranged in the box body 10 and connected with the main power contactor 11 and the standby power contactor 12.

[0073] The first water pump driver 13, the second water pump driver 14, and the condenser fan driver 15 generate heat during operation, which may affect the normal operation of the first water pump driver 13, the second water pump driver 14, and the condenser fan driver 15 when the heat is high. Therefore, the heat dissipation assembly is arranged in the box body 10 to dissipate heat generated by the first water pump driver 13, the second water pump driver 14, and the condenser fan driver 15 during operation. When the heat dissipation assembly is powered, the power supply connected by the main power contactor 11 or the standby power contactor 12 can be used to power the heat dissipation assembly.

[0074] In this embodiment, the arrangement of the heat dissipation assembly can prolong the service life of the first water pump driver 13, the second water pump driver 14, and the condenser fan driver 15.

[0075] In some embodiments, the heat dissipation assembly can include a heat dissipation fan, the first switch 38, and a current transformer; wherein the heat dissipation fan is connected with the main power contactor 11 and the backup power contactor 12 through the first switch 38, and is used for dissipating heat of the first water pump driver 13, the second water pump driver 14, and the condensing fan driver 15 when they are running; the current transformer is connected with the controller 22, and is used for monitoring the running state of the heat dissipation fan.

[0076] Specifically, the first switch 38 can be a boat-shaped switch, and the mains or the backup power supply is supplied to the heat dissipation fan through the first switch 38, that is, the heat dissipation fan is powered on when the first switch 38 is closed, and the heat dissipation fan is powered off when the first switch 38 is opened. Wherein, the running state of the heat dissipation fan is monitored by the current transformer during the running of the heat dissipation fan, so that the controller 22 can monitor the running state of the heat dissipation fan through the current transformer.

[0077] The current transformer detects the through-hole current by electromagnetic induction, and the internal contact is turned on when the current is greater than the set value, and the internal contact is turned off when the current is less than the set value. The internal contact of the current transformer is connected to the DI port in the controller 22, that is, the running state of the heat dissipation fan can be monitored by the current transformer (the current transformer has current, which means that the heat dissipation fan is running normally, and the current transformer has no current, which means that the heat dissipation fan is running abnormally).

[0078] Wherein, when the first water pump driver 13, the second water pump driver 14, and the condensing fan driver 15 are running, the heat dissipation fan is started to work synchronously.

[0079] In some embodiments, the water power module control box further includes a human-computer interaction screen 39, which is arranged in the box body 10 and connected with the controller 22.

[0080] In this embodiment, the human-computer interaction screen 39 can display the running state parameters and the prompted alarm information of the water power module control box, for example, the running frequency, current, inlet / outlet temperature, pressure and other data information of the first water pump and the second water pump, and the alarm state of the heat dissipation fan and the cooling water circulating pump.

[0081] The human-computer interaction screen 39 records the full-quantity parameters of the water power module control box at a rate of 1 group per second, which is convenient for real-time inquiry of the running parameters at the moment before the fault for analyzing the cause of the fault when the fault is traced back later.

[0082] In a specific application, for example, Figure 3As shown, the water module control box is connected with the host computer monitoring host 36, the first water pump driver 13, the second water pump driver 14, the condensing fan driver 15, the man-machine interaction screen 39 and the indoor and outdoor temperature and humidity sensor 37 by the communication mode of RS485 in specific application.

[0083] The controller 22 performs data collection, data operation, control output, data uploading and data issuing, wherein the data collected by the controller 22 can be transmitted to the host computer monitoring host 36, for example, the running parameters of the first water pump, the second water pump and the condensing fan in the water module control box, the running state of the cooling fan and the running state of the cooling water circulating pump; and is synchronously transmitted to the man-machine interaction screen 39 for display.

[0084] Among them, when the first water pump driver 13, the second water pump driver 14, the condensing fan driver 15 and the temperature and humidity sensor 37 are connected in communication, the star connection mode is adopted, which is beneficial to reduce the influence of single point failure on the remaining communication devices in the water module control box, and is convenient for communication device management and maintenance.

[0085] In some embodiments, the utility model also provides a heat dissipation system, which comprises the water module control box for the heat dissipation system as described above.

[0086] The heat dissipation system can comprise a first water pump, a second water pump and a condensing fan; the water module control box can comprise a box body 10 and a controller 22 arranged in the box body 10, a main power contactor 11 connected with a main power supply, a standby power contactor 12 connected with a standby power supply, a first water pump driver 13, a second water pump driver 14, a condensing fan driver 15, a first frequency conversion contactor 16, a first power frequency contactor 17, a second frequency conversion contactor 18, a second power frequency contactor 19, a condensing fan frequency conversion contactor 20 and a condensing fan power frequency contactor 21.

[0087] The main power contactor 11 is used to close when the standby power contactor 12 is disconnected or fails. The standby power contactor 12 is used to close when the main power contactor 11 is disconnected or fails. The controller 22 is connected with the first variable frequency contactor 16, the first power frequency contactor 17, the second variable frequency contactor 18, the second power frequency contactor 19, the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21. The main power contactor 11 is connected with the first variable frequency contactor 16, the first power frequency contactor 17, the second variable frequency contactor 18, the second power frequency contactor 19, the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21. The standby power contactor 12 is connected with the first variable frequency contactor 16, the first power frequency contactor 17, the second variable frequency contactor 18, the second power frequency contactor 19, the condenser fan variable frequency contactor 20 and the condenser fan power frequency contactor 21. The first variable frequency contactor 16 is connected with the first water pump through the first water pump driver 13, and the first power frequency contactor 17 is connected with the first water pump. The first variable frequency contactor 16 is used to close when the first power frequency contactor 17 is disconnected or fails, and the first power frequency contactor 17 is used to close when the first variable frequency contactor 16 is disconnected or fails. The second variable frequency contactor 18 is connected with the second water pump through the second water pump driver 14, and the second power frequency contactor 19 is connected with the second water pump. The second variable frequency contactor 18 is used to close when the second power frequency contactor 19 is disconnected or fails, and the second power frequency contactor 19 is used to close when the second variable frequency contactor 18 is disconnected or fails. The condenser fan variable frequency contactor 20 is connected with the condenser fan through the condenser fan driver 15, and the condenser fan power frequency contactor 21 is connected with the condenser fan. The condenser fan variable frequency contactor 20 is used to close when the condenser fan power frequency contactor 21 is disconnected or fails, and the condenser fan power frequency contactor 21 is used to close when the condenser fan variable frequency contactor 20 is disconnected or fails.

[0088] In the embodiment, when the water power module control box takes power, it can take power through the main power contactor 11 and the standby power contactor 12 respectively, and the main power contactor 11 and the standby power contactor 12 are mechanically interlocked, so that when the main power fails, the water power module control box can still take power through the standby power contactor 12. In addition, when the first water pump, the second water pump and the condenser fan take power from the main power contactor 11 or the standby power contactor 12, a redundant design is adopted, so that when any contactor in the first water pump, the second water pump and the condenser fan fails, the function of the component corresponding to the failed contactor can still be normal, improving the stability of the heat dissipation system.

[0089] Here, it needs to be pointed out that the above description of the heat dissipation system embodiment is similar to the above description of the hydraulic module control box for the heat dissipation system, and has similar beneficial effects as the above hydraulic module control box for the heat dissipation system. For technical details not disclosed in the heat dissipation system embodiment, please refer to the description of the hydraulic module control box for the heat dissipation system of the utility model for understanding.

[0090] In summary, the utility model provides a hydraulic module control box for heat dissipation system and heat dissipation system has the following beneficial effects:

[0091] When the hydraulic module control box takes power, it can take power through the main power contactor 11 and the standby power contactor 12 respectively, and the main power contactor 11 and the standby power contactor 12 are mechanically interlocked, so that when the main power fails, the hydraulic module control box can still take power through the standby power contactor 12. In addition, when the first water pump, the second water pump and the condensing fan take power from the main power contactor 11 or the standby power contactor 12, they all adopt redundant design, so that when any contactor in the first water pump, the second water pump and the condensing fan fails, the function of the component corresponding to the failed contactor can still be normal, improving the stability of the heat dissipation system.

[0092] It can be understood that the above embodiment only expresses the preferred embodiment of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent; It should be pointed out that for ordinary skilled persons in the art, the above technical features can be freely combined without departing from the concept of the utility model, and some deformations and improvements can be made, which belong to the protection scope of the utility model; Therefore, any equivalent transformation and modification within the scope of the claims of the utility model should belong to the scope of the claims of the utility model.

Claims

1. A hydraulic module control box for a heat dissipation system, the heat dissipation system comprising a first water pump, a second water pump, and a condenser fan, characterized in that, The water power module control box comprises a box body and a controller, a main power contactor connected with a main power supply, a standby power contactor connected with a standby power supply, a first water pump driver, a second water pump driver, a condensing fan driver, a first frequency conversion contactor, a first power frequency contactor, a second frequency conversion contactor, a second power frequency contactor, a condensing fan frequency conversion contactor and a condensing fan power frequency contactor arranged in the box body; The main power contactor is used for being closed when the standby power contactor is disconnected or fails; The standby power contactor is used for being closed when the main power contactor is disconnected or fails; The controller is connected with the first frequency conversion contactor, the first power frequency contactor, the second frequency conversion contactor, the second power frequency contactor, the condensing fan frequency conversion contactor and the condensing fan power frequency contactor; The main power contactor is connected with the first frequency conversion contactor, the first power frequency contactor, the second frequency conversion contactor, the second power frequency contactor, the condensing fan frequency conversion contactor and the condensing fan power frequency contactor; The standby power contactor is connected with the first frequency conversion contactor, the first power frequency contactor, the second frequency conversion contactor, the second power frequency contactor, the condensing fan frequency conversion contactor and the condensing fan power frequency contactor; The first frequency conversion contactor is connected with the first water pump through the first water pump driver, the first power frequency contactor is connected with the first water pump, the first frequency conversion contactor is used for being closed when the first power frequency contactor is disconnected or fails, and the first power frequency contactor is used for being closed when the first frequency conversion contactor is disconnected or fails; The second frequency conversion contactor is connected with the second water pump through the second water pump driver, the second power frequency contactor is connected with the second water pump, the second frequency conversion contactor is used for being closed when the second power frequency contactor is disconnected or fails, and the second power frequency contactor is used for being closed when the second frequency conversion contactor is disconnected or fails; The condensing fan frequency conversion contactor is connected with the condensing fan through the condensing fan driver, the condensing fan power frequency contactor is connected with the condensing fan, the condensing fan frequency conversion contactor is used for being closed when the condensing fan power frequency contactor is disconnected or fails, and the condensing fan power frequency contactor is used for being closed when the condensing fan frequency conversion contactor is disconnected or fails.

2. The hydraulic module control tank for a heat dissipation system according to claim 1, characterized by, The water power module control box further comprises a cooling water circulating pump contactor arranged in the box body, the main power contactor is connected with a cooling water circulating pump in a heat dissipation system through the cooling water circulating pump contactor, and the standby power contactor is connected with the cooling water circulating pump through the cooling water circulating pump contactor.

3. The hydraulic module control tank for a heat dissipation system according to claim 2, characterized by, The water power module control box further comprises a cooling water circulating pump motor protector arranged in the box body, the main power contactor is connected with the cooling water circulating pump contactor through the cooling water circulating pump motor protector, and the standby power contactor is connected with the cooling water circulating pump contactor through the cooling water circulating pump motor protector.

4. The hydraulic module control tank for a heat dissipation system according to claim 3, characterized by, The hydraulic module control box further comprises a main power air switch, a backup power air switch, a first water pump air switch, a second water pump air switch, a condensing fan air switch, a cooling water circulating pump air switch, and a controller air switch; One end of the main power air switch is connected with the main power contactor, and the other end of the main power air switch is connected with the main power supply; One end of the backup power air switch is connected with the backup power contactor, and the other end of the backup power air switch is connected with the backup power supply; One end of the first water pump air switch is connected with the main power contactor and the backup power contactor, and the other end of the first water pump air switch is connected with the first frequency conversion contactor and the first power frequency contactor; One end of the second water pump air switch is connected with the main power contactor and the backup power contactor, and the other end of the second water pump air switch is connected with the second frequency conversion contactor and the second power frequency contactor; One end of the condensing fan air switch is connected with the main power contactor and the backup power contactor, and the other end of the condensing fan air switch is connected with the condensing fan frequency conversion contactor and the condensing fan power frequency contactor; One end of the cooling water circulating pump air switch is connected with the main power contactor and the backup power contactor, and the other end of the cooling water circulating pump air switch is connected with the cooling water circulating pump contactor; One end of the controller air switch is connected with the main power contactor and the backup power contactor, and the other end of the controller air switch is connected with the controller.

5. The hydraulic module control box for a heat dissipation system according to claim 1, wherein, The hydraulic module control box further comprises a condensing fan motor protector, and the condensing fan frequency conversion contactor and the condensing fan power frequency contactor are connected with the condensing fan through the condensing fan motor protector.

6. The hydraulic module control box for a heat dissipation system according to claim 1, wherein, The hydraulic module control box further comprises a first water pump filter, a second water pump filter, and a condensing fan filter; The first water pump filter is arranged on a connection path of the first frequency conversion contactor and the first water pump driver; The second water pump filter is arranged on a connection path of the second frequency conversion contactor and the second water pump driver; The condensing fan filter is arranged on a connection path of the condensing fan frequency conversion contactor and the condensing fan driver.

7. The hydraulic module control box for a heat dissipation system according to claim 1, wherein, The hydraulic module control box further comprises: A heat dissipation assembly for heat dissipation of the first water pump driver, the second water pump driver, and the condensing fan driver, the heat dissipation assembly being arranged in the box body, and the heat dissipation assembly being connected with the main power contactor and the backup power contactor.

8. The hydraulic module control box for a heat dissipation system according to claim 7, characterized in that, The heat dissipation assembly comprises a heat dissipation fan for heat dissipation of the first water pump driver, the second water pump driver, and the condensing fan driver, a first switch, and a current transformer for monitoring an operating state of the heat dissipation fan; The heat dissipation fan is connected with the main power contactor and the backup power contactor through the first switch, and the current transformer is connected with the controller.

9. The hydraulic module control box for a heat dissipation system of claim 1, wherein, The hydraulic module control box further comprises a man-machine interaction screen arranged in the box body, and the man-machine interaction screen is connected with the controller.

10. A heat dissipation system characterized by, The hydraulic module control box for a heat dissipation system comprises a box body, a controller arranged in the box body, and a hydraulic module arranged in the box body and connected with the controller.

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