CN213661453U

CN213661453U - Water-cooling structure of DCDC converter of leak protection water

Info

Publication number: CN213661453U
Application number: CN202021972332.3U
Authority: CN
Inventors: 李�瑞; 杨正东; 赵赛赛
Original assignee: Anhui Nianye Electronic Technology Co ltd
Current assignee: Anhui Nianye Electronic Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-07-09
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a water-cooling structure of DCDC converter of leak protection water, the tip and the pipe connection of C type groove, the pipe is provided with two and bilateral symmetry and arranges, one end of pipe inserts in C type groove, is provided with C type notch near C type groove edge, C type sealing washer is filled in C type notch, C type sealing washer side middle part is provided with the sucking disc, the sucking disc adsorbs the inner wall at C type notch; the upper cover is sequentially provided with a first C-shaped groove, a second C-shaped groove and a third C-shaped groove from outside to inside, the notches of the first C-shaped groove, the second C-shaped groove and the third C-shaped groove are downward, the first C-shaped groove, the second C-shaped groove and the third C-shaped groove are respectively matched with a first C-shaped strip, a second C-shaped strip and a third C-shaped strip which are positioned in the C-shaped grooves, the first C-shaped strip, the second C-shaped strip and the third C-shaped strip are sequentially arranged on the C-shaped grooves from outside to inside, a sleeve is arranged on the inner wall of the round pipe, a horn-shaped connecting pipe is arranged at the pipe orifice of the sleeve inserted into the C.

Description

Water-cooling structure of DCDC converter of leak protection water

Technical Field

The utility model belongs to the converter field relates to a water-cooling structure of DCDC converter of leak protection water.

Background

With the progress of the electronics of automobiles, the demand for electric devices of automobiles has led to a trend toward an increase in electric power. On the other hand, since a vehicle starts to use a high-voltage system battery, and since the arrangement of an inverter, a motor, and the like is also necessary, the density tends to be increased for each generation of a space of the vehicle, and the DCDC converter is required to be further reduced in size and weight while increasing the power capacity. The DCDC converter is an isolated converter, which can reduce the voltage of the high-voltage battery to a low voltage for use in other electronic devices of the automobile. The DCDC converter is of a forced air cooling type, a water cooling type, or the like, and has a characteristic of being capable of coping with cooling modes of various vehicles. The water cooling structure of the DCDC converter is firm in sealing and good in water leakage prevention effect due to the fact that the water cooling structure is not firm in sealing and is prone to water leakage, and the problem needs to be solved in the field of converters.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to improve prior art's defect, provide a structural connection is firm, the water-cooling structure of the DCDC converter of leak protection water to the life of DCDC converter has been improved greatly.

The purpose of the utility model is realized like this: the water cooling structure of the anti-leakage DCDC converter comprises a shell, wherein a C-shaped groove is formed in the upper portion of the shell, the end portion of the C-shaped groove is connected with a circular pipe, the circular pipe is provided with two circular pipes which are arranged in a bilateral symmetry mode, one end of the circular pipe is inserted into the C-shaped groove, the C-shaped groove is connected with an upper cover, a C-shaped notch with an upward opening is formed in the edge, close to the C-shaped groove, a C-shaped sealing ring is filled in the C-shaped notch, a bayonet is formed in the edge of the outer wall of the C-shaped groove, a buckle matched with the bayonet is arranged in the edge of the; a clamping groove with an upward notch is formed along the edge of the upper part of the C-shaped sealing ring, the clamping groove is matched with a clamping strip positioned on the edge of the upper cover, the clamping groove is positioned between the buckles, and the clamping strip of the upper cover is inserted into the clamping groove of the C-shaped sealing ring; a sucker is arranged in the middle of the side edge of the C-shaped sealing ring, the sucker is positioned below the clamping groove and the buckle, and the sucker is adsorbed on the inner wall of the C-shaped notch; the upper cover is sequentially provided with a first C-shaped groove, a second C-shaped groove and a third C-shaped groove from outside to inside, the notches of the first C-shaped groove, the second C-shaped groove and the third C-shaped groove are downward, the first C-shaped groove, the second C-shaped groove and the third C-shaped groove are respectively matched with a first C-shaped strip, a second C-shaped strip and a third C-shaped strip which are positioned in the C-shaped grooves, the first C-shaped strip, the second C-shaped strip and the third C-shaped strip are sequentially arranged on the C-shaped grooves from outside to inside, a sleeve pipe with the same length as the circular pipe is arranged on the inner wall of the circular pipe, one end of the sleeve pipe is inserted into the C-shaped groove, a horn-shaped connecting pipe is arranged.

Furthermore, the side of C type groove tip all be provided with the round hole, the pipe inserts in the round hole.

Preferably, a plurality of bayonets are arranged on the C-shaped groove and are symmetrical left and right; a plurality of buckles of the C-shaped sealing ring are arranged and are symmetrical left and right; the bayonet is in one-to-one correspondence with the buckle.

Furthermore, the suckers are arranged at equal intervals; the sucking disc is circular and the middle is sunken disc-shaped structure.

Still further, card strip tip be provided with oblique ascending fixed strip, the fixed strip is the sunken connection of v type with the card strip, the fixed strip is provided with two bilateral symmetry.

Still further, the draw-in groove of C type sealing washer be provided with eight and upper and lower bilateral symmetry, the card strip and the draw-in groove one-to-one of upper cover.

Furthermore, the outer wall of the circular tube is provided with a bulge, and a bulge is arranged on the inner wall of the circular tube close to the bulge; the sleeve is provided with a through hole matched with the protrusion near the protrusion, the protrusion is inserted into the through hole, and a fixing block vertical to the protrusion is arranged on the protrusion near the inner wall of the sleeve.

The technical effects of the utility model: the end part of the C-shaped groove is connected with a circular pipe, the circular pipe is provided with two C-shaped notches which are arranged symmetrically left and right, one end of the circular pipe is inserted into the C-shaped groove, one circular pipe is a water inlet pipe, the other circular pipe is a water outlet pipe, a C-shaped notch with an upward opening is arranged close to the edge of the C-shaped groove, a C-shaped sealing ring is filled in the C-shaped notch, a bayonet is arranged along the edge of the outer wall of the C-shaped groove, a buckle matched with the bayonet is arranged on the edge of the upper part of the C-shaped sealing ring, a clamping groove of the C-shaped sealing ring is clamped; a clamping groove with an upward notch is formed along the edge of the upper part of the C-shaped sealing ring, the clamping groove is matched with a clamping strip positioned on the edge of the upper cover, the clamping groove is positioned between the buckles, the clamping strip of the upper cover is inserted into the clamping groove of the C-shaped sealing ring, and the C-shaped sealing ring is connected with the upper cover through the clamping groove and the clamping strip, so that the C-shaped sealing ring is more firmly connected with the upper cover; the middle part of the side edge of the C-shaped sealing ring is provided with a sucker which is positioned below the clamping groove and the buckle, the sucker is adsorbed on the inner wall of the C-shaped notch, and the side edge of the C-shaped sealing ring is firmly connected with the inner wall of the C-shaped notch by the sucker; the upper cover is sequentially provided with a first C-shaped groove, a second C-shaped groove and a third C-shaped groove from outside to inside, the first C-shaped groove, the second C-shaped groove and the third C-shaped groove are respectively matched with a first C-shaped strip, a second C-shaped strip and a third C-shaped strip which are positioned in the C-shaped grooves, the first C-shaped strip, the second C-shaped strip and the third C-shaped strip are sequentially arranged on the C-shaped grooves from outside to inside, the first C-shaped strip, the second C-shaped strip and the third C-shaped strip of the shell are inserted into the first C-shaped groove, the second C-shaped groove and the third C-shaped groove of the upper cover, and four water channels are formed with the inner wall of the C-shaped groove for cold water to flow in, so that the upper cover and the shell are firmly fixed together, the structure is firm, independent spaces can be formed among the water channels, the probability of water leakage is reduced, the water leakage prevention effect can be effectively achieved, and a sleeve pipe with the same length as the circular pipe is, the one end of sheathed tube inserts C type inslot, and the sleeve pipe mouth of pipe position of inserting C type groove end is provided with the tubaeform connecting pipe, and the delivery port of tubaeform connecting pipe is near C type inslot wall, and such structure makes the cold water that flows in C type groove from the inlet tube can be full of whole C type groove for four water courses of inflow that cold water can be even.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a structural diagram of a water cooling structure of a leakage-proof DCDC converter according to the present invention;

FIG. 2 is a structural view of an upper cover of a water cooling structure of the water leakage preventing DCDC converter shown in FIG. 1;

FIG. 3 is an enlarged view of the fixation bar shown in FIG. 1;

FIG. 4 is a structural view of a C-shaped seal ring of a water-cooling structure of the water leakage preventing DCDC converter shown in FIG. 1;

FIG. 5 is an enlarged view of a C-shaped sealing ring of the water-cooling structure of the water leakage preventing DCDC converter shown in FIG. 3;

FIG. 6 is a top view of a case of a water-cooling structure of the water leakage preventing DCDC converter shown in FIG. 1

Fig. 7 is an enlarged view of a circular tube and a sleeve of the leakage preventing DCDC converter of fig. 1;

fig. 8 is a sectional view of a circular tube and a sleeve of the leakage preventing DCDC converter shown in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The water cooling structure of the anti-leakage DCDC converter comprises a shell 30, wherein the upper part of the shell 30 is provided with a C-shaped groove 31, the end part of the C-shaped groove 31 is connected with a circular tube 32, the two circular tubes 32 are arranged symmetrically left and right, one of the circular pipes 32 is a water inlet pipe, the other circular pipe 32 is a water outlet pipe, one end of the circular pipe 32 is inserted into the C-shaped groove 31, the C-shaped groove 31 is connected with the upper cover 10, a C-shaped notch 311 with an upward opening is arranged near the edge of the C-shaped groove 31, the C-shaped sealing ring 20 is filled in the C-shaped notch 311, a bayonet 312 is arranged along the edge of the outer wall of the C-shaped groove 31, a buckle 22 matched with the bayonet 312 is arranged at the edge of the upper part of the C-shaped sealing ring 20, a clamping groove 21 of the C-shaped sealing ring 20 is clamped in the bayonet 312 of the C-shaped groove 31, and the shell 30 and the C-shaped sealing ring 20 are connected through the bayonet 312 and the buckle of the clamping groove 21, so that the; a clamping groove 21 with an upward notch is formed along the edge of the upper part of the C-shaped sealing ring 20, the clamping groove 21 is matched with a clamping strip 11 positioned at the edge of the upper cover 10, the clamping groove 21 is positioned between the buckles 22, the clamping strip 11 of the upper cover 10 is inserted into the clamping groove 21 of the C-shaped sealing ring 20, and the C-shaped sealing ring 20 is connected with the upper cover 10 through the clamping groove 21 and the clamping strip 11, so that the C-shaped sealing ring 20 is more firmly connected with the upper cover 10; a sucker 23 is arranged in the middle of the side edge of the C-shaped sealing ring 20, the sucker 23 is positioned below the clamping groove 21 and the buckle 22, the sucker 23 is adsorbed on the inner wall of the C-shaped notch 311, and the sucker 23 firmly connects the side edge of the C-shaped sealing ring 20 with the inner wall of the C-shaped notch 311; the upper cover 10 is sequentially provided with a first C-shaped groove 12, a second C-shaped groove 13 and a third C-shaped groove 14 from outside to inside, the first C-shaped groove 12, the second C-shaped groove 13 and the third C-shaped groove 14 are respectively matched with a first C-shaped strip 313, a second C-shaped strip 313 and a third C-shaped strip 313 which are positioned in the C-shaped groove 31, the first C-shaped strip 313, the second C-shaped strip 313 and the third C-shaped strip 313 are sequentially arranged on the C-shaped groove 31 from outside to inside, and form four water channels with the inner wall of the C-shaped groove for cold water to flow in, so that the upper cover and the shell are firmly fixed together, the structure is firm, independent spaces can be formed among the water channels, the probability of water leakage is reduced, and the effect of preventing water leakage can be effectively achieved; the sleeve 324 with the length equal to that of the circular pipe 32 is arranged close to the inner wall of the circular pipe 32, one end of the sleeve 324 is inserted into the C-shaped groove 31, the flared connecting pipe 321 is arranged at the pipe orifice of the sleeve 324 inserted into the end of the C-shaped groove 31, the diameter of the water inlet of the flared connecting pipe 321 is smaller than that of the water outlet, and the water outlet of the flared connecting pipe 321 is close to the inner wall of the C-shaped groove 31.

Furthermore, the side edges of the end part of the C-shaped groove 31 are provided with a first round hole 316 and a second round hole 317, the circular pipe 32 is inserted into the first round hole 316, and the circular pipe 32 is fixed in the first round hole 316 by the connecting structure, so that the water inlet pipe and the water outlet pipe are firmly fixed on the shell 30.

Preferably, a plurality of bayonets 312 of the C-shaped groove 31 are arranged and are symmetrical left and right; a plurality of buckles 22 of the C-shaped sealing ring 20 are arranged and are symmetrical left and right; the bayonets 312 are in one-to-one correspondence with the buckles 22, the bayonets 312 and the buckles 2 are uniformly distributed on the C-shaped groove 31 and the C-shaped sealing ring 20, and the shell 30 and the C-shaped sealing ring 20 are connected more firmly through the one-to-one correspondence buckles.

Further, the suction cups 23 are arranged at equal intervals, and the suction cups 23 are circular and have a plate-shaped structure with a concave middle part, so that the C-shaped sealing ring 20 is firmly connected with the inner wall of the C-shaped recess 311 by utilizing the difference of the atmospheric pressure inside and outside the suction cups 23.

Still further, 11 tip of card strip be provided with oblique ascending fixed strip 111, fixed strip 111 is the sunken connection of v type with card strip 11, fixed strip 111 is provided with two bilateral symmetry, because fixed strip 111 is the sunken connection of v type with card strip 11, so can make male more smooth when card strip 11 inserts draw-in groove 21, the tip of fixed strip 111 supports and leans on the inner wall at draw-in groove 21 after card strip 11 inserts draw-in groove 21, make card strip 11 firmly fix in draw-in groove 21 to make upper cover 10 and C type sealing washer 20 firmly connected.

Furthermore, eight clamping grooves 21 of the C-shaped sealing ring 20 are arranged and are symmetrical up and down and left and right, two of the clamping grooves are symmetrical up and down, and the other six clamping grooves are symmetrical left and right; the clamping strips 11 of the upper cover 10 correspond to the clamping grooves 21 one by one, and the clamping strips 11 and the clamping grooves 21 are uniformly distributed, so that the C-shaped sealing ring 20 and the upper cover 10 are fixed more firmly.

Furthermore, a protrusion 322 is arranged on the outer wall of the circular tube 32, and a protrusion 323 is arranged on the inner wall of the circular tube 32, which is close to the protrusion 322; the sleeve 324 is provided with a through hole 324a matching with the protrusion 323 near the protrusion 322, the protrusion 323 is inserted into the through hole 324a, and the protrusion 323 is provided with a fixing block 325 perpendicular to the protrusion 323 on the inner wall of the sleeve 324, so that the circular tube 32 and the sleeve 324 are firmly locked together, and the structure is stable and firm.

The utility model relates to a water-cooling structure of DCDC converter of leak protection water, firm in connection, the effectual water leakage that prevents to its life of great promotion.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, all of which are intended to be included within the scope of the invention.

Claims

1. The utility model provides a water-cooling structure of DCDC converter of leak protection water includes casing (30), casing (30) upper portion be provided with C type groove (31), the tip and pipe (32) of C type groove (31) are connected, pipe (32) are provided with two and bilateral symmetry and arrange, the one end of pipe (32) is inserted in C type groove (31), C type groove (31) be connected its characterized in that with upper cover (10): a C-shaped notch (311) with an upward opening is formed in the position close to the edge of the C-shaped groove (31), a C-shaped sealing ring (20) is filled in the C-shaped notch (311), a bayonet (312) is formed along the edge of the outer wall of the C-shaped groove (31), a buckle (22) matched with the bayonet (312) is arranged on the edge of the upper portion of the C-shaped sealing ring (20), and a clamping groove (21) of the C-shaped sealing ring (20) is clamped into the bayonet (312) of the C-shaped groove (31); a clamping groove (21) with an upward notch is formed in the edge of the upper portion of the C-shaped sealing ring (20), the clamping groove (21) is matched with a clamping strip (11) located on the edge of the upper cover (10), the clamping groove (21) is located between the buckles (22), and the clamping strip (11) of the upper cover (10) is inserted into the clamping groove (21) of the C-shaped sealing ring (20); a sucker (23) is arranged in the middle of the side edge of the C-shaped sealing ring (20), the sucker (23) is positioned below the clamping groove (21) and the buckle (22), and the sucker (23) is adsorbed on the inner wall of the C-shaped notch (311); the upper cover (10) is sequentially provided with a first C-shaped groove (12), a second C-shaped groove (13) and a third C-shaped groove (14) with downward notches from outside to inside, the first C-shaped groove (12), the second C-shaped groove (13) and the third C-shaped groove (14) are respectively matched with a first C-shaped strip (313), a second C-shaped strip (313) and a third C-shaped strip (313) which are positioned in the C-shaped groove (31), and the first C-shaped strip (313), the second C-shaped strip (313) and the third C-shaped strip (313) are sequentially arranged on the C-shaped groove (31) from outside to inside; a sleeve (324) with the same length as the circular tube (32) is arranged close to the inner wall of the circular tube (32), one end of the sleeve (324) is inserted into the C-shaped groove (31), a horn-shaped connecting tube (321) is arranged at the tube opening of the sleeve (324) inserted into the end of the C-shaped groove (31), and the water outlet of the horn-shaped connecting tube (321) is close to the inner wall of the C-shaped groove (31).

2. The water-cooling structure of the leakage-proof DCDC converter according to claim 1, wherein: the side edges of the end part of the C-shaped groove (31) are provided with a first round hole and a second round hole (316 and 317), and the round pipe (32) is inserted into the first round hole (316).

3. The water-cooling structure of the leakage-proof DCDC converter according to claim 1, wherein: a plurality of bayonets (312) of the C-shaped groove (31) are arranged and are symmetrical left and right; a plurality of buckles (22) of the C-shaped sealing ring (20) are arranged and are symmetrical left and right; the bayonets (312) correspond to the buckles (22) one by one.

4. The water-cooling structure of the leakage-proof DCDC converter according to claim 1, wherein: the suckers (23) are arranged at equal intervals; the sucker (23) is in a circular and concave disc-shaped structure in the middle.

5. The water-cooling structure of the leakage-proof DCDC converter according to claim 1, wherein: card strip (11) tip be provided with oblique ascending fixed strip (111), fixed strip (111) are the sunken connection of v type with card strip (11), fixed strip (111) are provided with two bilateral symmetry.

6. The water-cooling structure of the leakage-proof DCDC converter according to claim 1, wherein: eight clamping grooves (21) of the C-shaped sealing ring (20) are arranged and are symmetrical up and down and left and right; the clamping strips (11) of the upper cover (10) correspond to the clamping grooves (21) one by one.

7. The water-cooling structure of the leakage-proof DCDC converter according to claim 1, wherein: the outer wall of the circular tube (32) is provided with a bulge (322), and the inner wall of the circular tube (32) is provided with a projection (323) at a position close to the bulge (322); the sleeve (324) is provided with a through hole (324a) matched with the protrusion (323) near the protrusion (322), the protrusion (323) is inserted into the through hole (324a), and a fixing block (325) vertical to the protrusion (323) is arranged close to the protrusion (323) on the inner wall of the sleeve (324).