CN208402303U - Connecting component and liquid-cooled electric device for liquid-cooled electric device - Google Patents

Abstract

The utility model relates to a kind of connecting components for liquid-cooled electric device and a kind of liquid-cooled electric device.Connecting component (20) is made of the elongate body (21) with first passage (25) and second channel (26).First passage axially extends to the second end (21B) of ontology from the first end (21A) of ontology, and is made of two parts.The first part (25A) for having larger diameter (D1) extends certain distance (L2) from first end and arrives intrinsic junction (P1), and the second part (25B) of tool small diameter (D2) extends to junction from the second end.In the connection parts (11) in the internal liquid circuit that first part is suitable for being pulled to electric device (10), and second part is suitable for receiving the pipe (30) in the outside liquid circuit of electric device.Second channel establishes the connection of the exterior space from first passage to ontology, this is connected to closing when pipe is pushed into connection parts, and the connection when pipe is drawn out connection parts as a result,.

Description

Connecting component and liquid-cooled electric device for liquid-cooled electric device

Technical field

The utility model relates to the connecting component for liquid-cooled electric device and with the liquid-cooled of the connecting component Electric device.

Background technique

Electrical equipment can be by the electric device structure that is mounted in the such as cabinet type space in shared place for electric device At.Each electric device may each comprise the functional component of electrical equipment.Therefore, each electric device, which may be constructed, electrically sets Standby interior electric device module.Electric device module can be made of frequency converter.

Electric device with high electric power produces a large amount of thermal energy, and thus electric device needs effective cooling.Effectively Cooling to be easiest to be embodied as liquid cooling.In this case, electric device has internal liquid circuit and fluid connector, It is that external liquid returns that the internal liquid circuit of device can be connected to from the perspective of device by means of fluid connector Road.Outside liquid circuit may include heat exchanger, and the liquid to have heated up in the internal liquid circuit of device is by means of the warm Exchanger is cooled.

In maintaining electrical device, the fluid connector needs between internal liquid circuit and outside liquid circuit are disconnected Connection, takes out electric device to repair from electric device cabinet.Coolant liquid in electric device will then lead to The fluid connector for crossing the internal liquid circuit of electric device is discharged.The cooling being discharged from the internal liquid circuit of electric device Liquid is difficult to be directed to collection vessel in the prior art solution.

Utility model content

The utility model relates to a kind of connecting component for liquid-cooled electric device and the liquid with the connecting component Cold type electric device.

The connecting component for liquid-cooled electric device of the utility model is defined in claim 1.

The connecting component is made of elongate body, which includes

First passage, the first passage are axially extended from the first end of ontology to the opposite the second end of ontology, And first passage is made of two parts, as a result, there is larger-diameter first part to extend from the first end of ontology away from it Certain distance and the intrinsic junction that arrives, and the second part with small diameter extends to this from the second end of ontology Junction, first part is suitable for being pulled in the connection parts in internal liquid circuit of electric device as a result, and second part Suitable for receiving the pipe in the outside liquid circuit of electric device,

Second channel, the second channel establish the connection of the exterior space from first passage to ontology, this is connected to as a result, The pipe in outside liquid circuit is pushed into closing when in the connection parts in the internal liquid circuit of electric device, and in outside liquid The connection when pipe in circuit is drawn out the connection parts in the internal liquid circuit of electric device.

The connecting component can connect to the connection part between the internal liquid circuit of electric device and outside liquid circuit.

The connecting component can be used for a kind of close Pluging & pulling tool, which is the internal liquid of electric device Connection between circuit and outside liquid circuit provides protection.The connecting component, i.e. Pluging & pulling tool are functioned simultaneously as the connection Leak protection part.

By means of the connecting component, the fluid connector in the internal liquid circuit of electric device can deeper enter electrical In device, fluid connector will not be damaged during transportation as a result,.Therefore, fluid connector is mounted in electric device Shi Buhui is at obstruction.

By means of the connecting component, the liquid leakage of the fluid loop of electric device can be minimized, it is possible thereby to anti- Only electric device is dirty because of the coolant liquid of leakage such as ethylene glycol mixture.Therefore, coolant liquid will not diffuse to electrical dress Around the maintenance point set.

By means of the connecting component, what is come out from electric device repairs relevant coolant liquid to it and can be easily collected And it is then easily reused.

The connecting component is suitable for all liquid-cooled electric devices.

By means of the connecting component, so that not needing two fluid connectors and an extension.

Due to the connecting component, the connection between internal liquid circuit and external circuit does not need drain valve yet.

By being equipped with liquid level sensor for the collection vessel of coolant liquid, can be sounded an alarm according to possible leakage.

Detailed description of the invention

Next, the utility model will be illustrated referring to appended attached drawing, in the accompanying drawings:

Fig. 1 shows the electric device for being provided with the connecting component of the utility model, wherein the connecting component is being in it just Normal operational scenario,

Fig. 2 shows the electric devices for the connecting component for being provided with the utility model, wherein the connecting component is in discharge Situation,

Fig. 3 shows the first embodiment of connecting component according to the present utility model,

Fig. 4 shows the cross section of the connecting component of Fig. 1,

Fig. 5 shows the second embodiment of connecting component according to the present utility model,

Fig. 6 is the enlarged drawing of the connecting component according to the present utility model in electric device, wherein connecting component is in just Situation is often used,

Fig. 7 is the enlarged drawing of the connecting component according to the present utility model in electric device, wherein connecting component is in standard When standby discharge,

Fig. 8 is the enlarged drawing of the connecting component according to the present utility model in electric device, wherein connecting component is in row Put the stage.

Specific embodiment

Fig. 1 shows the electric device for being provided with the connecting component of the utility model, wherein the connecting component is being in it just Normal mode of operation, and Fig. 2 is accordingly in emission behaviour.

Electric device 10 may be constructed electric device module.In electric device cabinet, it is provided with multiple electric device modules. Electric device module can be for example made of frequency converter.Electric device 10 is liquid cooling, and electric device 10 has internal liquid as a result, Body circuit, it is that external liquid returns which, which is connected to by means of connection parts 11 relative to electric device 10, Road.The internal liquid circuit of electric device 10 can be made of the pipe loop recycled in electric device 10, as a result, by electrical The heat that device 10 generates is passed to the coolant liquid flowed in pipe loop.The coolant liquid having warmed up in electric device 10 can To cycle through heat exchanger in external fluid loop, in the heat exchanger, coolant liquid is returned at it electrically to fill It sets in 10 internal liquid circuit and is cooled before circulation.Form the pipe loop in the internal liquid circuit of electric device 10 There are two ends for tool, the two ends are provided with connection parts 11.Be cooled the coolant liquid got off in external fluid loop It is directed in the pipe loop in internal liquid circuit by the connection parts 11 at the first end of pipe loop, and in pipeline The connection parts 11 at the second end that the coolant liquid to heat up in loop line passes through pipe loop are exported to outside liquid circuit.

Fig. 1 and Fig. 2 only shows a connection parts 11 and the connecting component 20 for being connected to the connection parts 11.Connection part External screw thread has can be set in part 11, and by means of the external screw thread, connection parts 11 can be screwed into the internal liquid of electric device 10 Corresponding internal screw thread on the fixed part 12 in circuit.Connection parts 11 can also have sealing ring, by means of the sealing ring, it is ensured that The being completely embedded property that is discussed.

The antetheca 13 of electric device 10 is also shown in Fig. 1 and Fig. 2, and the pipe 30 in outside liquid circuit passes through the antetheca 13 and is directed to The connection parts 11 in internal liquid circuit.There is the connection parts 11 in internal liquid circuit its axial direction X-X length L10 to be suitable for receiving The part of connecting component 20.

Connecting component 20 is made of elongate body 21, and there are two opposite axial end portion 21A, 21B for the elongate body 21 tool. In the ontology 21 of connecting component 20, it is formed with from the first end 21A of ontology 21 and extends axially to the opposite of ontology 21 The first passage 25 of the second end 21B.In the ontology 21 of connecting component 20, it is also formed with and establishes from first passage 25 to originally The second channel 26 of the connection of the exterior space of body 21.Here, the shape of the ontology 21 of connecting component 20 is tubulose, this is excellent Select embodiment.The tubular form of connecting component 20 is section space-efficient and minimizes quantity of material.However, in principle, even The outer shape of the ontology 21 of relay part 20 can be any shape completely.

In Fig. 1, the pipe 30 in outside liquid circuit is pushed into connection by the outer end 21B of the ontology 21 from connecting component 20 In the first passage 25 of the ontology 21 of component 20.Under the normal operating condition, the pipe 30 in outside liquid circuit passes through entire the One channel 25 extends in connection parts 11, wherein pipe 30 against connection parts 11 inner circumferential and sealed and be locked to Connection parts 11.As a result, coolant liquid edge flows to outside liquid along the pipe 30 in outside liquid circuit by the direction shown in arrow S10 Circuit, or vice versa.

In the situation of Fig. 2, the first end of scupper hose 40 is set on the outer end of second channel 26.Scupper hose 40 The second end be put into collection vessel 50.The pipe 30 in outside liquid circuit is removed and is drawn from connection parts 11 after this Out, so that the end of the pipe 30 in outside liquid circuit is maintained at away from a certain distance from connection parts 11.However, outside liquid circuit The end of pipe 30 remain in first passage 25 at a certain distance from the second end 21B away from ontology 21.At this point, logical from first The connection of road 25 to second channel 26 is connected.Liquid passes through connection parts 11 at this time and flows to first passage 25 from internal liquid circuit And second channel 26 is further flowed to by the opening between first passage 25 and second channel 26, and in second channel 26 As flowed to scupper hose 40 as shown in arrow S11.Liquid flows to collection vessel 50, collection vessel further along scupper hose 40 50 can be located at 10 lower section of electric device.

Collection vessel 50 can be equipped with liquid level sensor 51.It, can be in liquid leakage by the liquid level sensor 51 It sounds an alarm.

Fig. 3 shows the first embodiment of connecting component according to the present utility model, and Fig. 4 shows the interconnecting piece of Fig. 3 The section of part.

Connecting component 20 is made of elongate body 21, the tool of elongate body 21 there are two the opposite axial end X-X 21A, 21B.Axial X-X distance between the first end 21A and the second end 21B of ontology 21 defines the axial length of ontology 21 L1。

In the ontology 21 of connecting component 20, it is formed with that in axial direction X-X is extended to from the first end 21A of ontology 21 The first passage 25 of the opposite the second end 21B of ontology 21.First passage 25 is made of two parts 25A, 25B.First Point 25A from the first end 21A of ontology 21 to ontology 21 on the inside of extend the first end 21A distance L2 away from ontology 21 and the ontology that arrives Junction P1 in 21.Second part 25B extends to junction P1 from the second end 21B of ontology 21, that is, extends to first Divide at the endpoint of 25A.The first part 25A of first passage 25 has first diameter D1, and the second part of first passage 25 25B has second diameter D2.First diameter D1 is greater than second diameter D2.Therefore, the first part 25A's of first passage 25 is transversal Face is circular, and the cross section of the second part 25B of first passage 25 is also circular.Junction P1 is thus logical first Stepped part is formed in road 25, in the stepped part, the diameter of first passage 25 changes.First end of the junction P1 away from ontology 21 The distance L2 of 21A adapts to the axial X-X length L10 of the part of the receiving connecting component 20 of connection parts 11.

In the ontology 21 of connecting component 20, it is also formed with and establishes from first passage 25 to the exterior space of ontology 21 The second channel 26 of connection.In this embodiment, second channel 26 be formed in the low portion of ontology 21, first passage 25 Lower section.Second channel 26 is parallel to first passage 25 herein.Second channel 26 is in the part axial direction X-X of first passage 25 L3 is upper to be contacted with first passage 25, and axial direction X-X part L3 is extended to from the beginning of second part 25B away from second part The outer end of 25B, that is, the second end 21B away from ontology 21, at-set a distance.Therefore, in the second part of first passage 25 Opening is provided between the bottom of 25B and the top of second channel 26, liquid can pass through the opening from first by means of gravity Channel 25 flows to second channel 26.The outer end 26A of second channel 26 extends to the outside of the second end 21B of ontology 21.The Two channels 26 be advantageously at least on the part on the outside of the second end 21B of ontology 21 it is tubular, scupper hose can be with as a result, It easily shifts on the outer end 26A of second channel 26.The cross section of second channel 26 is advantageously circle, but also can have Other shapes.

In addition, the second end 21B in the ontology 21 of connecting component 20 close to ontology 21 is formed with neck shape portion 22, and Ear parts 23 is formed in the second end 21B of ontology 21.Lead shape portion 22 against the inner surface of the antetheca 13 of electric device 10 Placement, so that connecting component 20 can not be when connecting component 20 be being installed in place and antetheca 13 in connection parts 11 and be attached It is slid off in connection parts 11.Ear parts 23 is placed on the outside of the outer surface of antetheca 13.

Connecting component 20 can be by the ear parts 23 at the second end 21B of ontology 21 by the outer lateral edge axis from antetheca 13 Into direction X-X to promotion, the first part 25A and second part of the first passage 25 of connecting component 20 are extended through as a result, Stepped part between 25B pushes the end of connection parts 11, so that the pipe 30 in outside liquid circuit is released and pipe 30 can be with It is drawn out connection parts 11.The pipe 30 in outside liquid circuit can be worn again from the second end 21B of the ontology 21 of connecting component 20 It crosses ontology 21 and is pushed to connection parts 11, so that the pipe 30 in outside liquid circuit is locked to connection parts 11.Connection parts 11 have It is formed and is coupled with the quick of pipe 30 in outside liquid circuit sharply.The pipe 30 for being quickly connected in outside liquid circuit is pulled to connection Be locked when in relay part 11, and this be quickly connected in connecting component 20 and thus the outer ends of connection parts 11 be pushed inwardly It is released when dynamic.

Fig. 5 shows the second embodiment of connecting component according to the present utility model.

The embodiment and the embodiment of Fig. 3 are the difference is that second channel 26.Here, second channel 26 is lateral Ground extends through ontology 21 that is, perpendicular to axial X-X longitudinal direction, so that the ontology 21 of first passage 25 is connected to outside Space.Second channel 26 thus extends perpendicular to first passage 25.Here, first part of the second channel 26 in first passage 25 Lead to first passage 25 in the region of 25A.Alternatively, second channel 26 can be the second part 25B's of first passage 25 Lead to first passage 25 in region.Second channel 26 extends from the lower direction first passage 25 of first passage 25 so that liquid is due to weight Power flows to second channel 26 from first passage 25.The cross section of second channel 26 is advantageously circular.Certainly, it is not necessary that make Second channel 26 extends perpendicular to axial X-X longitudinal direction, and second channel 26 can also be formed relative to axial X-X longitudinal direction Angle less than 90 degree.

Fig. 6 is the enlarged drawing of connecting component according to the present utility model, wherein connecting component is in liquid-cooled electric device Normal use situation, Fig. 7 is view when preparing discharge, and Fig. 8 is the view in discharge phase.

The diameter D1 of the first part 25A of the first passage 25 of the ontology 21 of connecting component 20 is extended through according to electrical dress The connection parts 11 for setting 10 internal liquid circuit are adapted at allowing the first part 25A of first passage 25 to be pulled to connection On component 11.Connection between the first part 25A of first passage 25 and connection parts 11 may include quickly coupling.It can be Neck shape portion 22 is formed close to the second end 21B of ontology 21 in the ontology 21 of connecting component 20.Lead shape portion 22 against antetheca 13 Inner surface placement, so that connecting component 20 can not surprisingly slip away from connection parts 11.In the second end 21B of connecting component 20 Place is provided with ear parts 23 shown in Fig. 3, and ear parts 23 is maintained at the outside of antetheca 13.In the first part of first passage 25 It is formed with groove in the circumferential direction of 25A, the first sealing ring 27A has been adapted in the groove.First sealing ring 27A is logical to first Connection in the home loop of the fluid loop in electric device 10 between the first part 25A and connection parts 11 in road 25 into Row sealing.The outer end of connection parts 11 is disposed against the bottom of the first part 25A of first passage 25 or stepped part.Ontology 21 First end 21A be placed in the small axial X-X distance of the retainer 11A away from flange shape on the periphery of connection parts 11 again Place.

The diameter D2 of second part 25B is adapted to according to the pipe 30 in the outside liquid circuit of electric device 10 at making outside again The pipe 30 of fluid loop can be by from the first passage 25 that the second end 21B of ontology 21 is pushed into ontology 21.In this way, first The diameter D2 of the second part 25B in channel 25 corresponds roughly to the outer diameter of the pipe 30 in outside liquid circuit.In first passage 25 Formed at a certain distance from the second end 21B in the circumferential direction of second part 25B, away from ontology 21 it is fluted, can be in the groove Adaptation has the second sealing ring 27B.Second sealing ring 27B is to the second part 25B of first passage 25 and the pipe in outside liquid circuit Connection between 30 is sealed.

It is provided with fast hitch mechanism between the end of the pipe 30 of external fluid loop and the inner circumferential of connection parts 11, With the help of the fast hitch mechanism, the end of pipe 30 is locked and is sealed in connection parts 11.

In the ontology of electric device 10, in the region of the outer end 26A of second channel 26, it is provided with to second channel The part 14 that 26 outer end is protected.The protectiveness part 14 of ontology is in the lower section of the outer end 26A of second channel 26 It is parallel to the extension of second channel 26.The protectiveness part 14 of ontology certain distance on the outside of 26A away from the outer end of second channel 26 Extend.

In the normal use situation shown in Fig. 6, the pipe 30 in outside liquid circuit is by the second end from ontology 21 21B is passed through in the connection parts 11 for the fluid loop that first passage 25 shifts electric device 10 onto, wherein the pipe in outside liquid circuit 30 are sealed in the inner space of connection parts 11.As a result, coolant liquid passes through connection from the internal liquid circuit of electric device 10 Relay part 11 flows to the pipe 30 in outside liquid circuit, and as shown in arrow S10, and vice versa.Extend through first passage The pipe 30 in 25 outside liquid circuit is by first passage 25 to the connection closed of second channel 26.Liquid can not pass through outside liquid The pipe 30 in circuit flows to second channel 26.

In situation shown in fig. 7, the preparation of the coolant liquid of emptying electric device 10 is carried out.Discharge pipe 40 is by along axial direction S1 is shifted on the outer end 26A of second channel 26.

In situation as shown in fig. 8, the coolant liquid of electric device 10 is discharged.In this case, connecting component 20 is first The ear parts 23 at the second end 21B of connecting component 20 is first passed through inwardly to be pushed by axial X-X, so that outside liquid circuit Quickly couple disconnection between pipe 30 and connection parts 11.Hereafter, the pipe 30 in outside liquid circuit can be drawn out connection parts It 11 and is further pulled to along the direction of arrow S2 away from 11 certain distance of connection parts.However, the pipe 30 in outside liquid circuit End stay in first passage 25 at a certain distance from the second end 21B away from ontology 21.At this point, first passage 25 to the second is logical The connection in road 26 is connected.Liquid passes through first passage 25 on the inside of connection parts 11 at this time and second channel 26 flows to discharge pipe 40, as shown in arrow S10.Quick couple can be set between the pipe 30 and connection parts 11 of external fluid loop.

In practice, the pipe 30 in outside liquid circuit is under use situation in 30 company of being through of pipe of external fluid loop It is logical that first passage 25 in the ontology 21 of relay part 20 and while being pushed into the liquid connection parts 11 of electric device 10, close first Connection between road 25 and second channel 26.Accordingly, outside liquid is connected between first passage 25 and second channel 26 The pipe 30 in circuit is drawn out connection parts 11 and is pulled to connection when away from 11 certain distance of connection parts.First passage 25 and second leads to Connection between road 26 can be realized by the opening between the bottom of first passage 25 and the top of second channel 26.

Discharge pipe 40 can also be held in place when electric device 10 is in use, and connecting component 20, which is formed, as a result, uses The leak protection being connect between internal liquid circuit and outside liquid circuit.

Not by the exemplary limitation in attached drawing, the utility model can be in claim for the utility model and embodiments thereof Variation in protection scope defined in book.

Claims (7)

1. a kind of connecting component for liquid-cooled electric device, which is characterized in that the connecting component (20) is by elongate body (21) it constitutes, the ontology (21) includes

First passage (25), the first passage (25) extend from the first end (21A) of the ontology (21) along axial direction (X-X) The extremely opposite the second end (21B) of the ontology (21), and the first passage (25) is by with larger diameter (D1) First part (25A) and second part (25B) with small diameter (D2) are constituted, and the first part (25A) is from institute as a result, The first end (21A) for stating ontology (21) extends certain distance (L2) and the junction (P1) in the ontology (21) that arrives, And the second part (25B) extends to the junction (P1) from the second end (21B) of the ontology (21), by This, in the connection parts (11) in the internal liquid circuit that the first part (25A) is suitable for being pulled to the electric device (10), And the second part (25B) is suitable for receiving the pipe (30) in the outside liquid circuit of the electric device (10),

Second channel (26), the second channel (26) establish the external empty of from the first passage (25) to the ontology (21) Between connection, the pipe (30) for being connected to the outside liquid circuit is pushed into the electric device (10) as a result, The coupling part (11) in the internal liquid circuit is closed when interior, and the pipe (30) quilt in the outside liquid circuit It is connected when pulling out coupling part (11) in the internal liquid circuit of the electric device (10).

2. connecting component according to claim 1, which is characterized in that the second channel (26) is located at the first passage (25) below and the first passage (25) are parallel to.

3. connecting component according to claim 1, which is characterized in that the second channel (26) is from the first passage (25) extend towards the first passage (25) to downward vertical.

4. connecting component according to any one of claims 1 to 3, which is characterized in that in the first passage (25) The first part (25A) inner circumferential on be provided with the first circular groove, in first circular groove adapt to have first Sealing ring (27A), the articulated connection of the first part (25A) and the internal liquid circuit of the electric device (10) Connection between part (11) can be sealed by means of first sealing ring (27A).

5. connecting component according to any one of claims 1 to 3, which is characterized in that in the first passage (25) The second part (25B) inner circumferential on be provided with the second circular groove, in second circular groove adapt to have second Sealing ring (27B), the pipe (30) of the second part (25B) and the outside liquid circuit of the electric device (10) Between connection can be sealed by means of second sealing ring (27B).

6. connecting component according to claim 4, which is characterized in that in the second part of the first passage (25) It is provided with the second circular groove in the inner circumferential of (25B), adapts to have the second sealing ring (27B), institute in second circular groove The connection stated between the pipe (30) in the outside liquid circuit of second part (25B) and the electric device (10) can It is sealed by means of second sealing ring (27B).

7. a kind of liquid-cooled electric device, which is characterized in that the electric device (10) includes according to claim 1 in 6 Described in any item connecting components (20).