JP2018168833A - Electric compressor - Google Patents

Abstract

To easily connect a cover member to a case member and to secure insulation of a connection terminal.SOLUTION: A case member 50 is provided with a locking portion 57 for locking a motor wiring 28 at a motor wiring insertion hole 51 side with respect to a connection terminal 41. Thus the motor wiring 28 hardly moves before the cover member 60 is connected to one face of the case member 50, and the connection terminal 41 connected to the other end of the motor wiring 28 is prevented from coming out from the case member 50. Further as a claw portion 57b of the locking portion 57 closes at least a part of the motor wiring insertion hole 51 when observed from a direction of insertion of the motor wiring 28, foreign matters intruding into a cluster block 40 through the motor wiring insertion hole 51 are blocked by the claw portion 57b, and the foreign matters can be prevented from intruding into the cluster block 40 and reaching the connection terminal 41.SELECTED DRAWING: Figure 6

Description

  The present invention relates to an electric compressor including a compression unit that compresses a fluid, an electric motor that rotates a rotating shaft, and a drive circuit that drives the electric motor.

  For example, as disclosed in Patent Document 1, the housing of the electric compressor houses a compression unit and an electric motor. Motor wiring is drawn out from the electric motor. A through hole is formed in the housing. A conductive member is inserted through the through hole. One end of the conductive member is electrically connected to the drive circuit. A connector for connecting the motor wiring and the conductive member is disposed in the housing. The connector includes a connection terminal connected to the motor wiring and electrically connected to the other end of the conductive member, and an insulating cluster block that accommodates the connection terminal inside. When electric power is supplied from the drive circuit to the electric motor via the conductive member, the connection terminal, and the motor wiring, the electric motor is driven, and the rotation of the rotating shaft accompanying the driving of the electric motor causes the compression unit to drive and the refrigerant to flow. It is compressed by the compression unit.

  The cluster block is formed with a conductive member insertion hole into which the conductive member is inserted and a motor wiring insertion hole through which the motor wiring is inserted. The cluster block is generally easy to assemble and has a structure including a case member in which at least a part of the connection terminals is accommodated and a cover member coupled to the case member.

JP 2014-34918 A

  However, in the cluster block composed of the case member and the cover member as described above, the connection terminal connected to the other end of the motor wiring has the coating of the motor wiring before the cover member is joined to the case member. There is a case where it jumps out of the case member due to elasticity. If the connection terminal protrudes from the case member, it is difficult to couple the cover member to the case member.

  Also, if a foreign object enters the cluster block through the motor wiring insertion hole and the foreign object that has entered the cluster block reaches the connection terminal, for example, the connection terminal and the housing may be short-circuited through the foreign object. There is a risk that insulation of the connection terminals cannot be secured.

  The present invention has been made to solve the above-described problem, and the object thereof is to facilitate the coupling of the cover member to the case member and to ensure the insulation of the connection terminal. An object is to provide an electric compressor including a cluster block.

  An electric compressor that solves the above-described problems is a housing, a rotating shaft that is housed in the housing, an electric motor that is housed in the housing and rotates the rotating shaft, and is housed in the housing. The compressor is driven by the rotation of the rotating shaft to compress the fluid, a drive circuit for driving the electric motor, a motor wiring drawn from the electric motor, and a through hole formed in the housing. And an electric compressor having one end electrically connected to the drive circuit, and a connector disposed in the housing and connecting the motor wiring and the conductive member, The connector is connected to the motor wiring and electrically connected to the other end of the conductive member; and the connection terminal An insulating cluster block accommodated therein, and the cluster block includes a conductive member insertion hole into which the conductive member is inserted and a motor wiring insertion hole into which the motor wiring is inserted. The cluster block is formed of a case member in which at least a part of the connection terminal is accommodated, and a cover member coupled to the case member, and the case member has more than the connection terminal. A locking portion for locking the motor wiring is provided on the motor wiring insertion hole side, and the locking portion is at least one of the motor wiring insertion holes when viewed from the direction in which the motor wiring is inserted. The part is blocked.

  According to this, since the motor wiring is locked by the locking portion, the motor wiring is difficult to move before the cover member is coupled to the case member, and the connection terminal connected to the other end of the motor wiring is Jumping out of the case member is suppressed. Therefore, the cover member can be easily coupled to the case member. In addition, since the locking portion closes at least a part of the motor wiring insertion hole when viewed from the direction in which the motor wiring is inserted, the foreign matter that attempts to enter the cluster block through the motor wiring insertion hole However, it is possible to suppress the penetration into the cluster block and reach the connection terminals, and the insulation of the connection terminals can be ensured.

  In the above-described electric compressor, the case member may be provided with two locking portions, and the two locking portions may be arranged on both sides of the motor wiring. According to this, the locking of the motor wiring in the locking portion can be made strong. Moreover, it can suppress more that a foreign material penetrate | invades into the inside of a cluster block via a motor wiring insertion hole.

  According to this invention, the cover member can be easily coupled to the case member, and insulation of the connection terminal can be ensured.

A side sectional view showing an electric compressor in an embodiment. The perspective view of a connection terminal and motor wiring. The exploded perspective view of a connector. The perspective view which shows a part of case member. The perspective view of a connector. The longitudinal cross-sectional view of a connector. The longitudinal cross-sectional view of the connector in another embodiment.

Hereinafter, an embodiment embodying an electric compressor will be described with reference to FIGS. The electric compressor of this embodiment is used for a vehicle air conditioner.
As shown in FIG. 1, the housing 11 of the electric compressor 10 includes a bottomed cylindrical discharge housing 12 and a bottomed cylindrical motor housing 13 connected to the discharge housing 12. The discharge housing 12 and the motor housing 13 are made of a metal material (for example, aluminum). The motor housing 13 has a bottom wall 13e and a side wall 13a extending in a cylindrical shape from the outer peripheral edge of the bottom wall 13e.

  A rotating shaft 14 is accommodated in the motor housing 13. Further, in the motor housing 13, there are a compression unit 15 that is driven by rotation of the rotating shaft 14 to compress the refrigerant as a fluid, and an electric motor 20 that rotates the rotating shaft 14 to drive the compression unit 15. Contained. The compression unit 15 and the electric motor 20 are arranged side by side in the axial direction, which is the direction in which the rotation axis L of the rotation shaft 14 extends. The electric motor 20 is disposed closer to the bottom wall 13 e of the motor housing 13 than the compression unit 15.

  A shaft support member 16 is provided between the compression unit 15 and the electric motor 20 in the motor housing 13. An insertion hole 16 h through which one end of the rotating shaft 14 is inserted is formed at the center of the shaft support member 16. A bearing 17 a is provided between the insertion hole 16 h and one end of the rotating shaft 14. One end of the rotating shaft 14 is rotatably supported by the shaft support member 16 via a bearing 17a.

  A cylindrical bearing portion 18 protrudes from the bottom wall 13 e of the motor housing 13. The other end of the rotating shaft 14 is inserted inside the bearing portion 18. A bearing 17 b is provided between the bearing portion 18 and the other end of the rotating shaft 14. The other end of the rotating shaft 14 is rotatably supported by the bearing portion 18 via a bearing 17b.

  The compression unit 15 includes a fixed scroll 15a fixed to the motor housing 13 and a movable scroll 15b disposed to face the fixed scroll 15a. The fixed scroll 15a and the movable scroll 15b mesh with each other. A compression chamber 15c whose volume can be changed is defined between the fixed scroll 15a and the movable scroll 15b.

  A bottomed cylindrical cover 19 is attached to the bottom wall 13 e of the motor housing 13. The bottom wall 13e of the motor housing 13 and the cover 19 form an accommodation space 19a that accommodates a drive circuit 30 that drives the electric motor 20. The bottom wall 13e of the motor housing 13 is a part of the housing 11 and functions as a partition that separates the inside of the housing 11 from the accommodation space 19a. The compression unit 15, the electric motor 20, and the drive circuit 30 are arranged side by side in the axial direction of the rotating shaft 14 in this order.

  The electric motor 20 includes a cylindrical stator 22 and a rotor 21 disposed inside the stator 22. The rotor 21 rotates integrally with the rotating shaft 14. The stator 22 surrounds the rotor 21. The rotor 21 has a rotor core 21a fixed to the rotating shaft 14 and a plurality of permanent magnets (not shown) provided on the rotor core 21a. The stator 22 has a cylindrical stator core 23 and a coil 24 wound around the stator core 23. Further, the stator 22 has an annular coil end 24 e that protrudes from both end faces 23 e in the axial direction of the rotating shaft 14 in the stator core 23. The coil end 24 e is a part of the coil 24.

  A suction port 13h is formed in the side wall 13a. The suction port 13 h sucks the refrigerant into the motor housing 13. The suction port 13h is disposed between the end wall 23e on the bottom wall 13e side of the motor housing 13 and the bottom wall 13e in the stator core 23 in the axial direction of the rotary shaft 14. The suction port 13h is connected to an external refrigerant circuit (not shown).

  A discharge chamber 12 a is formed in the discharge housing 12. The discharge housing 12 is formed with a discharge port 12h communicating with the discharge chamber 12a. The discharge port 12h is connected to an external refrigerant circuit.

  The refrigerant sucked into the motor housing 13 from the suction port 13h is sucked into the compression chamber 15c by the turning (suction operation) of the movable scroll 15b. The refrigerant in the compression chamber 15c is compressed by the turning (discharging operation) of the movable scroll 15b and discharged to the discharge chamber 12a. The refrigerant discharged into the discharge chamber 12a flows out to the external refrigerant circuit through the discharge port 12h and returns to the motor housing 13 through the suction port 13h.

  Three motor wires 28 are drawn out from the coil end 24e disposed opposite to the bottom wall 13e of the motor housing 13 so as to correspond to the U-phase, V-phase, and W-phase coils 24. Therefore, each motor wiring 28 is drawn from the electric motor 20. Each motor wiring 28 is drawn from the coil end 24e in a state where a part of the coil 24 drawn from the coil end 24e is covered with an insulating tube. The three motor wires 28 are drawn from the coil end 24e so that the directions extending in the circumferential direction of the rotating shaft 14 are the same.

  A through hole 13 b is formed in the bottom wall 13 e of the motor housing 13. The through hole 13b is formed at a position facing the inner peripheral side of the coil end 24e in the axial direction of the rotating shaft 14 with respect to the bottom wall 13e.

  An airtight terminal 31 is provided in the through hole 13b. The hermetic terminal 31 includes three conductive members 32 corresponding to the U-phase, V-phase, and W-phase coils 24. Each conductive member 32 is a cylindrical metal terminal extending linearly. Each conductive member 32 is inserted into the through hole 13 b and one end thereof is electrically connected to the drive circuit 30. The other end of each conductive member 32 protrudes from the accommodation space 19a into the motor housing 13 through the through hole 13b.

  The airtight terminal 31 has a support plate 31 a that supports each conductive member 32. Each conductive member 32 is supported by the support plate 31a while penetrating the support plate 31a. A glass insulating member (not shown) is interposed between each conductive member 32 and the support plate 31a. The support plate 31a is disposed in the accommodation space 19a, and is attached to the periphery of the through hole 13b on the outer surface of the bottom wall 13e by a screw (not shown).

  A connector 39 is disposed in the motor housing 13. The connector 39 connects the motor wiring 28 and the conductive member 32. The connector 39 includes a connection terminal 41 and an insulating cluster block 40 made of a resin that accommodates the connection terminal 41 therein. The cluster block 40 is a housing for the connector 39. The connection terminal 41 is electrically connected to the other end of the conductive member 32. The cluster block 40 accommodates three connection terminals 41 corresponding to the U-phase, V-phase, and W-phase coils 24. Each connection terminal 41 electrically connects each motor wiring 28 and each conductive member 32.

  As shown in FIG. 2, the connection terminal 41 is electrically connected to the motor wiring 28 and the cylindrical conductive member connection portion 42 to which the other end of the conductive member 32 is inserted and electrically connected. The motor wiring connection part 43 and the plate-shaped connection part 44 which connects the electrically-conductive member connection part 42 and the motor wiring connection part 43 are provided.

  The connecting portion 44 is bent between the conductive member connecting portion 42 and the motor wiring connecting portion 43. The connecting portion 44 has a first extending portion 44a, a bent portion 44b, and a second extending portion 44c. The first extending portion 44 a extends from the opening edge of the conductive member connection portion 42 in the axial direction of the conductive member connection portion 42. The bent portion 44b is continuous with the end portion of the first extending portion 44a opposite to the conductive member connecting portion 42, and extends in a direction perpendicular to the axial direction of the conductive member connecting portion 42 with respect to the first extending portion 44a. It is bent. The second extending portion 44c is continuous with the end portion of the bent portion 44b opposite to the first extending portion 44a and extends in a direction perpendicular to the axial direction of the conductive member connecting portion 42 to the motor wiring connecting portion 43. It is connected. Therefore, the connection terminal 41 is formed in an L shape.

  The motor wiring connection portion 43 has an electrical connection portion 46 that is an end portion of the motor wiring 28 and is connected to a portion where the insulating tube is removed and the coil 24 is exposed. The motor connection 28 and the connection terminal 41 are electrically connected by electrically connecting the electrical connection 46 and the end of the motor wiring 28. In addition, the motor wiring connection portion 43 has a pair of caulking portions 45 extending from the end portion of the electrical connection portion 46 on the side opposite to the connecting portion 44. The motor wiring 28 is mechanically connected to the motor wiring connecting portion 43 by caulking the portion covered with the insulating tube by the pair of caulking portions 45.

  As shown in FIG. 3, the cluster block 40 includes a case member 50 in which at least a part of the connection terminal 41 is accommodated, and a cover member 60 coupled to the case member 50. In the cluster block 40, a storage chamber 55 in which each connection terminal 41 is accommodated, a conductive member insertion hole 61h in which each conductive member 32 is inserted, and a motor wiring insertion hole 51 in which each motor wiring 28 is inserted. And are formed. Each motor wiring insertion hole 51 and each accommodation chamber 55 are formed by coupling the case member 50 and the cover member 60.

  The case member 50 has a case main body 52 in which three openings 51 a that form the motor wiring insertion holes 51 are formed. The case member 50 has three bottomed cylindrical storage cylinders 53 protruding from the case main body 52. The axial directions of the three housing cylinders 53 are the same. The three storage cylinders 53 are arranged on a straight line at a predetermined interval in a direction orthogonal to the axial direction of the storage cylinder 53. The conductive member connection portions 42 of the connection terminals 41 are housed inside the housing cylinders 53, respectively.

  The case body 52 is formed with three communication holes 54 that allow the openings 51 a to communicate with the interior of the housing cylinders 53. Each communication hole 54 extends in a direction perpendicular to the axial direction of each storage cylinder 53. Each opening 51a and each communication hole 54 are open on one surface 52a on the opposite side of the surface of the case main body 52 from which each housing cylinder 53 protrudes. One surface 52a of the case body 52 is one surface of the case member 50 located in a direction orthogonal to the insertion direction with respect to each opening 51a in each motor wiring 28.

  As shown in FIG. 4, the communication hole 54 is formed of a caulking portion accommodating portion 54a, an electrical connection portion accommodating portion 54b, and a communicating portion 54c. The caulking portion accommodating portion 54a is continuous with the opening 51a and accommodates the caulking portion 45. The electrical connection portion accommodating portion 54b is continuous to the side opposite to the opening 51a in the caulking portion accommodating portion 54a, and accommodates the electrical connection portion 46. The communication portion 54c is continuous to the side of the electrical connection portion accommodation portion 54b opposite to the caulking portion accommodation portion 54a, and communicates the electrical connection portion accommodation portion 54b and the inside of the accommodation cylinder 53.

  The caulking portion accommodating portion 54 a and the electrical connection portion accommodating portion 54 b are recessed from the one surface 52 a of the case main body 52. The width in the direction orthogonal to the extending direction of the communication hole 54 in the caulking portion accommodating portion 54a is the width in the direction orthogonal to the extending direction of the communicating hole 54 in the opening 51a and the communication hole in the electrical connection portion accommodating portion 54b. It is larger than the width in the direction orthogonal to the extending direction of 54. The width in the direction orthogonal to the extending direction of the communication hole 54 in the electrical connection portion accommodating portion 54b and the width in the direction orthogonal to the extending direction of the communication hole 54 in the opening 51a are the same. The communication portion 54 c has a circular hole shape having the same hole diameter as the inner diameter of the housing cylinder 53.

  As shown in FIG. 3, the interior of each communication hole 54 and each storage cylinder 53 forms a storage chamber 55. Each opening 51 a is continuous with each accommodation chamber 55. Each opening 51 a and each accommodation chamber 55 are open on one surface 52 a of the case main body 52.

A plurality of protrusions 56 protrude from the side surface of the case body 52. The plurality of protrusions 56 are used to attach the cover member 60 to the case main body 52.
The cover member 60 is substantially plate-shaped. Each conductive member insertion hole 61 h is formed in the cover member 60. Each conductive member insertion hole 61 h and the inside of each conductive member connection portion 42 overlap in the axial direction of each conductive member connection portion 42.

The cover member 60 has attachment portions 62 that are respectively engaged with the protrusions 56 of the case main body 52.
As shown in FIG. 5, each attachment portion 62 is locked to each projection 56, whereby the cover member 60 is attached to one surface 52 a of the case main body 52, and the case member 50 and the cover member 60 are coupled. .

  As shown in FIG. 4, the case main body 52 has a plate-like protruding portion 52 f that protrudes from the open end outer surface 52 e of each opening 51 a in the case main body 52. Each overhanging portion 52f is continuous with the surface of each case main body 52 from which each housing cylinder 53 protrudes at each open end outer surface 52e.

  Each overhanging portion 52f is provided with two locking portions 57 for locking the motor wiring 28. The two locking portions 57 are disposed outside the storage chamber 55. Therefore, the case member 50 is provided with a locking portion 57 that locks the motor wiring 28 closer to the motor wiring insertion hole 51 than the connection terminal 41. The two locking portions 57 are arranged one by one on both sides of the motor wiring 28. Therefore, the two locking portions 57 are arranged to face each other with the motor wiring 28 interposed therebetween.

  Each locking portion 57 includes an extending portion 57a extending in a direction orthogonal to the overhanging portion 52f, and a claw portion 57b protruding in the opposing direction of the two locking portions 57 from the distal end portion of the extending portion 57a. It has a bowl shape. The claw portions 57b face each other in the facing direction of the two locking portions 57.

  Each connection terminal 41 has an opening on the one surface 52a side of the case main body 52 with respect to each storage chamber 55 and each opening 51a, with each connection terminal 41 and each motor wiring 28 being connected to each motor wiring 28 in advance. Is inserted into the storage chamber 55. At this time, each motor wiring 28 is disposed between the two locking portions 57 and locked by the two locking portions 57. Accordingly, before the cover member 60 is coupled to the one surface 52a of the case main body 52, each motor wiring 28 is difficult to move, and the connection terminal 41 connected to the other end of the motor wiring 28 jumps out of the case member 50. It has become difficult.

  Thereafter, the cover member 60 is attached to the one surface 52 a of the case main body 52, whereby the opening on the one surface 52 a side of the case main body 52 in each opening 51 a and each storage chamber 55 is closed by the cover member 60.

  Each motor wiring insertion hole 51 is formed by closing the opening on the one surface 52 a side of the case main body 52 in each opening 51 a by the cover member 60. Each accommodation chamber 55 is formed by closing the opening on the one surface 52 a side of the case main body 52 in each accommodation chamber 55 by the cover member 60.

  Then, the other end of each conductive member 32 is inserted into the cluster block 40 via each conductive member insertion hole 61h and inserted inside each conductive member connection portion 42, whereby each conductive member connection portion 42 is inserted. Is electrically connected. Thereby, each motor wiring 28 and each conductive member 32 are electrically connected via each connection terminal 41.

  The electric power controlled by the drive circuit 30 is supplied to the electric motor 20 through each conductive member 32, each connection terminal 41, and each motor wiring 28. Thereby, the electric motor 20 is driven, and the rotation of the rotating shaft 14 accompanying the driving of the electric motor 20 drives the compression unit 15 so that the refrigerant is compressed by the compression unit 15.

  As shown in FIG. 6, in the opposing direction of the two locking portions 57, the width H <b> 1 between the tips of the claw portions 57 b of the two locking portions 57 is narrower than the width H <b> 2 of the motor wiring insertion hole 51. A part of the claw portion 57 b of the two locking portions 57 is located on the one surface 52 a side of the case main body 52 in the motor wiring insertion hole 51 when viewed from the direction in which the motor wiring 28 is inserted into the motor wiring insertion hole 51. Overlapping protrusions 58 are formed. Therefore, the two locking portions 57 close at least a part of the motor wiring insertion hole 51 when viewed from the direction in which the motor wiring 28 is inserted into the motor wiring insertion hole 51.

Next, the operation of this embodiment will be described.
Foreign matter that is about to enter the cluster block 40 via the motor wiring insertion hole 51 is blocked by the protruding portions 58 of the two locking portions 57. Therefore, it is possible to prevent foreign matter from entering the cluster block 40 and reaching the connection terminal 41.

In the above embodiment, the following effects can be obtained.
(1) The case member 50 is provided with a locking portion 57 that locks the motor wiring 28 closer to the motor wiring insertion hole 51 than the connection terminal 41. According to this, since the motor wiring 28 is locked by the locking portion 57, the motor wiring 28 becomes difficult to move before the cover member 60 is coupled to one surface of the case member 50. It is suppressed that the connection terminal 41 connected to the end protrudes from the case member 50. Therefore, the cover member 60 can be easily coupled to one surface of the case member 50. Further, the protruding portion 58 of the claw portion 57 b of the locking portion 57 closes at least a part of the motor wiring insertion hole 51 when viewed from the direction in which the motor wiring 28 is inserted. According to this, the foreign matter that tries to enter the inside of the cluster block 40 through the motor wiring insertion hole 51 is blocked by the protruding portion 58, and the foreign matter enters the cluster block 40 and reaches the connection terminal 41. This can be suppressed, and insulation of the connection terminal 41 can be ensured.

  (2) The case member 50 is provided with two locking portions 57, and the two locking portions 57 are arranged one by one on both sides of the motor wiring 28. According to this, the locking of the motor wiring 28 in the locking portion 57 can be made strong.

In addition, you may change the said embodiment as follows.
As shown in FIG. 7, the case member 50 may have a single locking portion 57. When the case member 50 is provided with only one locking portion 57, the protrusion length of the claw portion 57b from the extending portion 57a is longer than when the case member 50 is provided with two locking portions 57. The length is preferably long. By doing so, the motor wiring 28 can be easily locked to the locking portion 57. The claw portion 57 b of the locking portion 57 has a protruding portion 58 that closes at least a part of the motor wiring insertion hole 51 when viewed from the direction in which the motor wiring 28 is inserted.

  In embodiment, the latching | locking part 57 may be provided in the motor wiring insertion hole 51 side rather than the connection terminal 41 in the crimping | crimped part accommodating part 54a. That is, the locking part 57 may be provided inside the storage chamber 55. In short, the locking portion 57 may be provided on the motor wiring insertion hole 51 side with respect to the connection terminal 41 in the case member 50.

In the embodiment, three or more locking portions 57 may be provided.
In the embodiment, the numbers of the motor wiring 28, the conductive member 32, and the connection terminal 41 are not particularly limited.

  In the embodiment, the compression unit 15, the electric motor 20, and the drive circuit 30 may not be arranged along the rotation axis L of the rotation shaft 14 in this order. For example, the cover 19 may be attached to the side wall 13 a of the motor housing 13, and the drive circuit 30 may be accommodated in a space defined by the side wall 13 a of the motor housing 13 and the cover 19.

  In embodiment, the compression part 15 is not restricted to the type comprised by the fixed scroll 15a and the movable scroll 15b, For example, you may change into a piston type, a vane type, etc.

  (Circle) in embodiment, the electric compressor 10 may not be used for a vehicle air conditioner, and may be used for another air conditioner.

  DESCRIPTION OF SYMBOLS 10 ... Electric compressor, 11 ... Housing, 13b ... Through-hole, 14 ... Rotating shaft, 15 ... Compression part, 20 ... Electric motor, 28 ... Motor wiring, 30 ... Drive circuit, 32 ... Conductive member, 39 ... Connector, 40 DESCRIPTION OF SYMBOLS ... Cluster block, 41 ... Connection terminal, 50 ... Case member, 51 ... Motor wiring insertion hole, 57 ... Locking part, 60 ... Cover member, 61h ... Conductive member insertion hole.

Claims (2)

A housing;
A rotating shaft housed in the housing;
An electric motor housed in the housing and rotating the rotating shaft;
A compressing unit that is housed in the housing and that is driven by the rotation of the rotating shaft to compress the fluid;
A drive circuit for driving the electric motor;
Motor wiring drawn from the electric motor;
A conductive member inserted into a through-hole formed in the housing and electrically connected at one end to the drive circuit;
An electric compressor provided with a connector that is disposed in the housing and connects the motor wiring and the conductive member,
The connector is
A connection terminal connected to the motor wiring and electrically connected to the other end of the conductive member;
An insulating cluster block that accommodates the connection terminal therein, and
The cluster block includes
A conductive member insertion hole into which the conductive member is inserted, and a motor wiring insertion hole into which the motor wiring is inserted;
The cluster block is
The case member includes at least a part of the connection terminal, and a cover member coupled to the case member.
The case member is provided with a locking portion for locking the motor wiring on the motor wiring insertion hole side of the connection terminal,
The electric compressor according to claim 1, wherein the locking portion closes at least a part of the motor wiring insertion hole when viewed from a direction in which the motor wiring is inserted. The case member is provided with two locking portions,
2. The electric compressor according to claim 1, wherein one of the two locking portions is disposed on both sides of the motor wiring.