CN218377693U

CN218377693U - Control device and electric valve

Info

Publication number: CN218377693U
Application number: CN202221934191.5U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-01-24
Anticipated expiration: 2032-07-26

Abstract

The utility model provides a controlling means and motorised valve, controlling means includes the casing, the stator, a sensor, first contact pin, the second contact pin, first contact pin is connected and/or signal connection with the stator electricity, the second contact pin is connected and/or signal connection with the sensor electricity, the casing includes the interface part, the interface part forms at least partial wall in grafting chamber, the interface part is used for being connected with other part cooperations, the first tip of first contact pin and the second tip of second contact pin all are located grafting chamber, be favorable to realizing that an interface part transmits two kinds of signals, one of them signal is the signal of telecommunication of first contact pin for stator transmission, wherein another kind of signal is the signal of telecommunication of second contact pin for sensor transmission, compare in a interface part only transmission signal, the first tip of first contact pin and the second tip of second contact pin all are located grafting chamber, control means and external connection have been made things convenient for.

Description

Control device and electric valve

Technical Field

The application relates to the technical field of fluid control, in particular to a control device and an electric valve with the same.

Background

The control device for the electric valve comprises a sensor, a stator and two interfaces, wherein the sensor is electrically and/or signal-connected with the outside through one interface, and the stator is electrically and/or signal-connected with the outside through the other interface, so that the control device is not convenient to be connected with the outside.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a control device and an electric valve, which are convenient for the connection of the control device and the outside.

In order to achieve the above purpose, one embodiment of the present application adopts the following technical solutions:

the utility model provides a control device, includes casing, stator, sensor, first contact pin, second contact pin, the casing includes the interface part, the casing has the grafting chamber, the interface part forms at least partial wall in grafting chamber, first contact pin with stator electricity is connected and/or signal connection, first contact pin includes first end, first end is located the grafting chamber, the second contact pin with sensor electricity is connected and/or signal connection, the second contact pin includes the second tip, the second end is located the grafting chamber.

An electrically operated valve, characterized by: the electric valve comprises a control device, the electric valve comprises a rotor assembly and a valve core assembly, the rotor assembly is in transmission connection with the valve core assembly, a stator of the control device is positioned on the periphery of at least part of the rotor assembly, the electric valve is provided with a valve port, the valve core assembly can adjust the opening degree of the valve port, the control device comprises a position sensor, and the position sensor is positioned on the radial outer side of the rotor assembly.

An embodiment of the application provides a control device and motorised valve, the control device includes the casing, the stator, the sensor, first contact pin, second contact pin, first contact pin and stator electricity is connected and/or signal connection, second contact pin and sensor electricity is connected and/or signal connection, the casing includes the interface portion, the interface portion forms at least part wall of grafting chamber, the interface portion is used for being connected with other part cooperations, the first tip of first contact pin and the second tip of second contact pin all are located the grafting chamber, be favorable to realizing that an interface portion transmits two kinds of signals, wherein one kind of signal is the signal of telecommunication of first contact pin for the stator transmission, wherein another kind of signal is the signal of telecommunication of second contact pin for the sensor transmission, compare in only transmitting a kind of signal in an interface portion, the first tip of first contact pin and the second tip of second contact pin all are located the grafting chamber, convenient control device and external connection.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of a control device according to the present application;

FIG. 2 is a schematic top view of the control device shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the control device of FIG. 1;

FIG. 4 is an enlarged partial schematic view of FIG. 3 at A;

FIG. 5 is a partial enlarged structural view of another embodiment of the first and second pins;

FIG. 6 is another schematic cross-sectional configuration of the control device of FIG. 1;

FIG. 7 is a schematic cross-sectional configuration of a second embodiment of the control device of the present application;

FIG. 8 is a schematic cross-sectional configuration of a third embodiment of the control device of the present application;

FIG. 9 is a schematic cross-sectional view of a fourth embodiment of the control device of the present application;

figure 10 is a schematic cross-sectional view of one embodiment of an electrically operated valve of the present application.

Detailed Description

The present invention is further described with reference to the following detailed description and accompanying drawings, in which numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be appreciated by those skilled in the art that the specific components, devices, and features illustrated in the accompanying drawings and described herein are merely exemplary and should not be considered as limiting.

The electric valve can be applied to a vehicle thermal management system or an air conditioning system, particularly to a circulating system using CO2 as a refrigerant, wherein the vehicle thermal management system comprises a new energy vehicle thermal management system, in the vehicle thermal management system, the electric valve is often used as a throttling element or a switching element, and the electric valve can be an electronic expansion valve, an electric ball valve and the like. Figure 10 illustrates an embodiment in which the control device 200 is applied to an electric valve 100. The control device 200 may provide driving force to the electric valve 100 as part of the electric valve 100. Taking an electronic expansion valve as an example, referring to fig. 10, the electric valve 100 includes a control device 200 and a valve component 3, the control device 200 is located at the periphery of a portion of the valve component 3, the control device 200 is fixedly connected or connected with the valve component 3 in a limiting manner, further, a sealing arrangement can be further provided between the control device 200 and the valve component 3, which is beneficial to preventing moisture or other impurities in the external environment from entering from an assembly gap between the control device 200 and the valve component 3 to cause corrosion or failure inside the control device 200. The control device 200 comprises a housing 40 and a stator 10, wherein the stator 10 is positioned on the periphery of a part of the valve part 3, the housing 40 is formed by injection molding by taking at least the stator 10 as an insert, and at least a part of the housing 40 is an injection molding piece. The electric valve 100 is electrically and/or signally connected to the outside via the control device 200.

Referring to fig. 10, the electric valve 100 includes a control device 200 and a valve core assembly 60, the electric valve 100 has a valve port 61, and along an axial direction of the electric valve 100, the control device 200 can drive the valve core assembly 60 to move so as to adjust an opening degree of the valve port 61, specifically, referring to fig. 10, the electric valve 100 includes a valve component 3, the valve component 3 includes a rotor assembly 14, a lead screw 15 and the valve core assembly 60, a stator 10 of the control device 200 is located at least on a portion of an outer periphery of the rotor assembly 14, the rotor assembly 14 is fixedly or limitedly connected to the lead screw 15, the lead screw 15 is in transmission connection with the valve core assembly 60, the valve component 3 has the valve port 61, the control device 200 can drive the rotor assembly 14 to rotate, the rotor assembly 14 drives the lead screw 15 to rotate, and along the axial direction of the electric valve 100, the lead screw 15 can drive the valve core assembly 60 to move so as to adjust the opening degree of the valve port 61; the control device 200 includes a sensor 20, the sensor 20 is located radially outside of the rotor assembly 14, the sensor 20 is specifically a hall sensor, and the sensor 20 is used for detecting the rotation angle of the rotor assembly 14. It can be understood that the transmission connection between the screw 15 and the valve core assembly 60 includes a threaded connection, an axial limit connection, etc.; the opening degree of the valve port 61 when being closed is defined as 0, the opening degree of the valve port 61 when being fully opened is defined as 100, and the control device 200 can drive the valve core assembly 60 to move so as to adjust the opening degree of the valve port 61, wherein the opening degree range comprises 0-100; the axial direction of the electric valve 100 is the axial direction of the stator 10, and the axial direction of the electric valve 100 is the N direction shown in fig. 10.

Referring to fig. 3 and 7, the control device 200 includes a housing 40, a stator 10, a sensor 20, a first pin 11, and a second pin 12, the housing 40 includes a connecting port 30, the housing 40 has a plug cavity 31, the connecting port 30 forms at least a partial wall of the plug cavity 31, and the connecting port 30 is used for connecting with other components; the first pin 11 is electrically and/or signal-connected with the stator 10, and it can be understood that the electrical connection and/or signal connection between the first pin 11 and the stator 10 includes direct connection and indirect connection, that is, the first pin 11 can be directly electrically and/or signal-connected with the stator 10, and the first pin 11 can also be electrically and/or signal-connected with the stator 10 through components such as a circuit board, a pin, a lead, and the like; the first pin 11 includes a first end portion 111, the first end portion 111 is located in the plugging cavity 31, the first end portion 111 of the first pin 11 is used for electrically connecting and/or signal connecting with the outside, and specifically, the first pin 11 is used for transmitting an electrical signal; the second pin 12 is electrically and/or signal-connected to the sensor 20, and it is understood that the electrical connection and/or signal connection of the second pin 12 to the sensor 20 includes direct connection and indirect connection, that is, the second pin 12 may be directly electrically and/or signal-connected to the sensor 20, and the second pin 12 may also be electrically and/or signal-connected to the sensor 20 through a circuit board, a pin, a lead, or the like; the second pin 12 includes a second end 121, the second end 121 is located in the plug cavity 31, the second end 121 of the second pin 12 is used for electrical connection and/or signal connection with the outside, and specifically, the second pin 12 is used for transmitting digital signals or analog signals. The interface unit 30 is used for being connected with other components in a matching manner, the first pin 11 is electrically and/or signal-connected with the stator 10, the second pin 12 is electrically and/or signal-connected with the sensor 20, the first end portion 111 of the first pin 11 and the second end portion 121 of the second pin 12 are both located in the insertion cavity 31, which is beneficial to realizing that one interface unit transmits two signals, wherein one signal is an electrical signal transmitted by the first pin 11 for the stator 10, and the other signal is an electrical signal transmitted by the second pin 12 for the sensor 20, compared with the case that one interface unit transmits only one signal, the first end portion 111 of the first pin 11 and the second end portion 121 of the second pin 12 are both located in the insertion cavity 31, which is beneficial to connecting the control device 200 with the outside, is also beneficial to the compact structure of the control device 200, and is beneficial to the miniaturization of the electric valve 100.

It is understood that the control device 200 may further include other electronic components and corresponding pins, and the ends of the corresponding pins may also be disposed in the plug cavity 31 to facilitate the connection between the control device 200 and the outside; more than two kinds of pins for transmitting different signals can be arranged in one interface part 30; the sensor 20 may be a position sensor, a PT sensor, or the like; the first end portion 111 not only includes one end of the first pin 11, but also includes a part of the structure of the first pin 11 near the one end, and the first end portion 111 is used for electrical connection and/or signal connection with the outside; the second end portion 121 includes not only one end of the second pin 12, but also a portion of the second end portion 121 near the one end of the second pin 12, and the second end portion 121 is used for electrical and/or signal connection with the outside.

Referring to fig. 3, the control device 200 includes a housing 40, the housing 40 has a receiving cavity 41, the sensor 20 is located in the receiving cavity 41, a portion of the first pin 11 is located in the receiving cavity 41, a portion of the second pin 12 is located in the receiving cavity 41, the housing 40 includes a cover assembly 42 and a sub-housing 43, the cover assembly 42 is fixedly connected to the sub-housing 43, the sub-housing 43 is injection-molded to the stator 10, the sub-housing 43 is at least insert injection-molded by the stator 10, the sub-housing 43 is an injection-molded part, the interface portion 30 is fixedly connected to or limit-connected to the cover assembly 42 or is an integrated structure, the first pin 11 is injection-molded to the cover assembly 42, the second pin 12 is injection-molded to the cover assembly 42, the cover assembly 42 is at least insert injection-molded by the first pin 11 and the second pin 12, the sub-housing 43 is injection-molded to the stator 10, the first pin 11 and the second pin 12 are injection-molded to the cover assembly 42, when the first pin 11 and/or the second pin 12 is damaged, the cover assembly is required to be replaced, which is beneficial to reduce maintenance cost.

It is understood that the fixed connection between the cover assembly 42 and the sub-housing 43 includes welding, screw fastening, interference fit, snap fastening, etc. when the cover assembly 42 or the sub-housing 43 needs to be replaced, the cover assembly 42 and the sub-housing 43 can be detached, which facilitates the maintenance of the control device 200; the interface part 30 is located on the cover assembly 42, the interface part 30 and the cover assembly 42 can be an integral structure or a split structure, referring to fig. 3, the interface part 30 and the cover assembly 42 are an integral structure; referring to fig. 8, the connecting port 30 and the cover assembly 42 are separate bodies, and the connecting port 30 and the cover assembly 42 are fixedly connected or connected in a limited manner.

Referring to fig. 7, the interface portion 30 may also be located on the sub-housing 43, the interface portion 30 and the sub-housing 43 are an integral structure, specifically, the interface portion 30 and the sub-housing 43 are an integral injection molding structure, the integral injection molding structure at least uses the first pin 11, the second pin 12 and the stator 10 as an insert for injection molding, the interface portion 30 and the sub-housing 43 are an integral injection molding part, the sub-housing 43 and the cover assembly 42 are fixedly connected, the cover assembly 42 forms at least a part of a top wall of the accommodating cavity 41, the sub-housing 43 forms at least a part of a side wall of the accommodating cavity 41, and the interface portion 30 is located on the side wall, which is beneficial to reducing the height of the control device 200. It can be understood that, the interface portion 30 and the sub-housing 43 may also be of a split structure, and the interface portion 30 and the sub-housing 43 are fixedly connected or connected in a limited manner, so that when the first pin 11 or the second pin 12 is damaged, only the interface portion 30 needs to be replaced, which is beneficial to reducing the maintenance cost.

Referring to fig. 3 and 4, the cover assembly 42 includes a main body portion 33 and a fixing portion 32, the main body portion 33 is fixedly connected to the sub-housing 43, the first pin 11 is injection-molded and fixed to the fixing portion 32, the second pin 12 is injection-molded and fixed to the fixing portion 32, the fixing portion 32 is formed by injection molding at least the first pin 11 and the second pin 12 as inserts, the fixing portion 32 is an injection-molded part, referring to fig. 8, the main body portion 33 and the fixing portion 32 are in a split structure, the main body portion 33 is fixedly connected or limited and connected to the fixing portion 32, when the first pin 11 and/or the second pin 12 are damaged, only the cover assembly 42 or the fixing portion 32 of the cover assembly 42 needs to be replaced, which is beneficial to reducing maintenance cost. It can be understood that the fixed connection between the main body 33 and the sub-housing 43 includes welding, screw, snap, interference, etc. when the cover assembly 42 or the sub-housing 43 needs to be replaced, the cover assembly 42 and the sub-housing 43 can be separated, which is beneficial to the maintenance of the control device 200; the body 33 and the fixing portion 32 may be welded and fixed, which is beneficial to preventing external moisture from entering the accommodating cavity 41 through a gap between the body 33 and the fixing portion 32, and is beneficial to improving the service life of the control device 200.

Referring to fig. 8, the cover assembly 42 includes a main body 33 and a fixing portion 32, the main body 33 and the fixing portion 32 are separate structures, and the main body 33 abuts against the fixing portion 32 along the axial direction of the control device 200, specifically, the interface portion 30 and the fixing portion 32 are an integral structure, and the fixing portion 32 and the interface portion 30 form at least part of the wall of the plug cavity 31, and the main body 33 abuts against the fixing portion 32 along the axial direction of the control device 200, so as to limit the movement of the fixing portion 32 along the axial direction of the control device 200, and limit the movement of the first pin 11 and the second pin 12 along the axial direction of the control device 200, which is beneficial to improving the reliability of the electrical connection and/or signal connection between the first pin 11 and the stator 10, and the reliability of the electrical connection and/or signal connection between the second pin 12 and the sensor 20.

Referring to fig. 3, the cover assembly 42 includes the body portion 33, the fixing portion 32, and the connecting portion 30, and the body portion 33 and the fixing portion 32 are of an integral structure. Specifically, the connecting portion 30, the body portion 33 and the fixing portion 32 are integrally molded by injection molding, at least the first pin 11 and the second pin 12 are insert molded by injection molding, the connecting portion 30 forms at least a part of a sidewall 312 of the plugging cavity 31, and the fixing portion 32 forms at least a part of a bottom wall 311 of the plugging cavity 31. When the first pin 11 and/or the second pin 12 are damaged, only the cover assembly 42 needs to be replaced, which is beneficial to reducing the maintenance cost and facilitating the maintenance of the control device 200.

Referring to fig. 3, the control device 200 includes a circuit board 50, the housing 40 of the control device 200 has a receiving cavity 41, at least a portion of the circuit board 50 is located in the receiving cavity 41, the sensor 20 is electrically and/or signal-connected to the circuit board 50, the second pin 12 is electrically and/or signal-connected to the circuit board 50, and in particular, the sensor 20 is electrically and/or signal-connected to the second pin 12 through the circuit board 50; the control device 200 includes a third pin 13, the stator 10 is electrically and/or signal-connected to the third pin 13, the third pin 13 is electrically and/or signal-connected to the circuit board 50, the first pin 11 is electrically and/or signal-connected to the circuit board 50, and specifically, the stator 10 is electrically and/or signal-connected to the first pin 11 through the third pin 13 and the circuit board 50; the arrangement of the circuit board 50 is favorable for adjusting the positions of the first pin 11 and the second pin 12, so that the first end portion 111 of the first pin 11 and the second end portion 121 of the second pin 12 are favorable for being located in the plugging cavity 31 of the same interface portion 30, the connection between the control device 200 and the outside is favorable, and the structure of the control device 200 is also favorable for being compact; on the other hand, the sensor 20 is specifically a hall sensor, the circuit board 50 includes a signal transmission element, the signal transmission element is electrically connected and/or signal-connected with the hall sensor 20, the signal transmission element is used for transmitting a digital signal or an analog signal, the signal transmission element is specifically a resistive element or an inductive element, and by arranging the circuit board 50, transmission of the digital signal or the analog signal between the hall sensor 20 and the second pin 12 is facilitated.

It is understood that the circuit board 50 may not be electrically and/or signal connected to the first pin 11 and the second pin 12 at the same time, when the circuit board 50 is electrically and/or signal connected to the first pin 11, the second pin 12 is not electrically and/or signal connected to the circuit board 50, and the second pin 12 is electrically and/or signal connected to the sensor 20 through a lead or other component; when the circuit board 50 is electrically and/or signal-connected to the second pin 12, the first pin 11 is not electrically and/or signal-connected to the circuit board 50, and the first pin 11 is electrically and/or signal-connected to the stator 10 directly or through a lead wire or through another component.

Referring to fig. 3 and 4, in the axial direction of the control device 200, the cover assembly 42 is located at one side of the sub-housing 43, the cover assembly 42 is fixedly connected with the sub-housing 43, the first pin 11 is fixed to the cover assembly 42 by injection molding, the first pin 11 includes a first connection portion 112, the first connection portion 112 extends along the axial direction of the control device 200, the circuit board 50 includes a first fitting hole portion 51, the first connection portion 112 is located at the first fitting hole portion 51, and the first connection portion 112 of the first pin 11 can be inserted into the first fitting hole portion 51 by press fitting; the second pin 12 is fixed with the cover component 42 by injection molding, the second pin 12 includes a second connecting portion 122, the second connecting portion 122 extends along the axial direction of the control device 200, the circuit board 50 includes a second fitting hole portion 52, the second connecting portion 122 is located in the second fitting hole portion 52, and the second connecting portion 122 of the second pin 12 can be inserted into the second fitting hole portion 52 by press fitting; first contact pin 11 and second contact pin 12 all mould plastics fixedly with fixed part 32 of lid subassembly 42, lid subassembly 42 is used for with sub-casing 43 fixed connection, through set up first cooperation hole portion 51 and second cooperation hole portion 52 at circuit board 50, first contact pin 11 and second contact pin 12 all mould plastics and are fixed in lid subassembly 42, in the in-process of assembly lid subassembly 42 with sub-casing 43, first connecting portion 112 of first contact pin 11 can insert first cooperation hole portion 51, second connecting portion 122 of second contact pin 12 can insert second cooperation hole portion 52, thereby accomplish the assembly of lid subassembly 42 and sub-casing 43 in step, the assembly of first contact pin 11 and circuit board 50, the assembly of second contact pin 12 and circuit board 50, be favorable to improving assembly efficiency.

It is understood that the circuit board 50 may not be electrically and/or signal connected to the first pin 11 and the second pin 12 at the same time, and when the circuit board 50 is electrically and/or signal connected to the first pin 11, the second pin 12 is not electrically and/or signal connected to the circuit board 50; when the circuit board 50 is electrically and/or signal connected to the second pin 12, the first pin 11 is not electrically and/or signal connected to the circuit board 50. The first connection portion 112 may be electrically and/or signal connected with the first mating hole portion 51, and the second connection portion 122 may be electrically and/or signal connected with the second mating hole portion 52; the axial direction of the control device 200 is the axial direction of the stator 10, and the axial direction of the stator 10 is the N direction shown in fig. 3.

Referring to fig. 5, the first pin 11 includes a first connection portion 112, the first connection portion 112 includes a first through hole 114, a first fitting section 115 and a second fitting section 116, the first fitting section 115 and the second fitting section 116 are located at both sides of the first through hole 114, along a radial direction of the first fitting hole portion 51, the first fitting hole portion 51 compresses the first fitting section 115 and the second fitting section 116, the first fitting section 115 and the second fitting section 116 can generate certain deformation, which is beneficial for increasing a frictional force between the first connection portion 112 and the first fitting hole portion 51, which is beneficial for improving a stability of the first connection portion 112 and the first fitting hole portion 51 in fitting connection, the second pin 12 includes a second connection portion 122, the second connection portion 122 includes a second through hole 124, a third fitting section 125 and a fourth fitting section 126, the third fitting section 125 and the fourth fitting section 126 are located at both sides of the second through hole 124, along a radial direction of the second fitting hole portion 52, the second fitting hole portion 52 compresses the third fitting section 125 and the fourth fitting section 126, the third fitting section 125 and the fourth fitting section 126 can generate certain deformation, which is beneficial for improving a stability of the second fitting force between the second fitting hole portion 122 and the second fitting hole portion 52, which is beneficial for increasing a stability of the second fitting force between the second fitting connection between the second fitting hole portion 122 and the second fitting hole portion 52.

As can be understood, referring to fig. 5, along the axial direction of the control device 200, the lengths of the first and

second mating sections

115 and 116 of the first pin 11 are both greater than the length of the first mating hole portion 51, the lengths of the third and

fourth mating sections

125 and 126 of the second pin 12 are both greater than the length of the second mating hole portion 52, the circuit board 50 is fixedly connected or connected with the sub-housing 43, the first pin 11 and the second pin 12 are both injection-molded and fixed with the cover assembly 42, the cover assembly 42 is fixed with the sub-housing 43 by welding, during the welding of the cover assembly 42 with the sub-housing 43, part of the material of the cover assembly 42 or the sub-housing 43 is melted, causing the cover assembly 42 to move along the axial direction of the control device 200 relative to the sub-housing 43, thereby causing the first pin 11 and the second pin 12 to move along the axial direction of the control device 200 relative to the circuit board 50, causing the first connecting portion 112 of the first pin 11 to disengage from the first mating hole portion 51 of the circuit board 50, the second connection portion 122 of the second pin 12 is separated from the second mating hole 52 of the circuit board 50, the control device 200 is disabled, by setting the lengths of the first mating segment 115 and the second mating segment 116 of the first pin 11 to be greater than the length of the first mating hole 51, and the lengths of the third mating segment 125 and the fourth mating segment 126 of the second pin 12 to be greater than the length of the second mating hole 52, during the process of welding the cover assembly 42 and the sub-housing 43, the cover assembly 42 moves a certain distance relative to the sub-housing 43 along the axial direction of the control device 200, since the lengths of the first mating segment 115 and the second mating segment 116 of the first pin 11 are greater than the length of the first mating hole 51, and the lengths of the third mating segment 125 and the fourth mating segment 126 of the second pin 12 are greater than the length of the second mating hole 52, the first connection portion 112 and the first mating hole 51 are maintained, the second connection portion 122 is advantageously maintained in a mating connection with the second mating bore portion 52, thereby advantageously reducing the risk of failure of the control device 200. The first connection portion 112 may be welded and fixed to the first fitting hole portion 51, and the second connection portion 122 may be welded and fixed to the second fitting hole portion 52.

Referring to fig. 9, the control device 200 includes a connector 53, where the connector 53 is fixedly connected or connected to the circuit board 50 in a limiting manner, specifically, the connector 53 is a flexible PCB, and the flexible PCB is connected to the circuit board 50 in a snap-fit manner, so as to facilitate connection between the connector 53 and the circuit board 50; the connecting part 53 is electrically and/or signal-connected with the circuit board 50, the control device 200 comprises a first lead 54, the first lead 54 is fixedly connected with the first pin 11, the first lead 54 is electrically and/or signal-connected with the first pin 11, the first lead 54 is fixedly connected with the connecting part 53, and the first lead 54 is electrically and/or signal-connected with the connecting part 53; the control device comprises a second lead 55, the second lead 55 is fixedly connected with the second pin 12, the second lead 55 is electrically and/or signal-connected with the second pin 12, the second lead 55 is fixedly connected with the connecting piece 53, and the second lead 55 is electrically and/or signal-connected with the connecting piece 53; the circuit board 50 is easy to generate thermal deformation after working for a period of time, the deformation of the circuit board 50 may cause damage to the connection structure between the circuit board 50 and the first pin 11 and the second pin 12, thereby causing failure of the control device 200, and by arranging the first lead 54, the second lead 55 and the connecting part 53, the influence of the thermal deformation of the circuit board 50 on signal transmission is favorably reduced, and the risk of failure of the control device 200 is favorably reduced. On the other hand, if the first pin 11 and the second pin 12 are injection-molded and fixed with the cover assembly 42, the first pin 11 is used for electrically and/or signal-connected with the stator 10, the second pin 12 is used for electrically and/or signal-connected with the sensor 20, and the cover assembly 42 is used for fixedly connected with the sub-housing 43, since the first pin 11 and the second pin 12 are injection-molded and fixed with the cover assembly 42, it is necessary to synchronously realize the electrical connection and/or signal-connected of the first pin 11 and the stator 10, the electrical connection and/or signal-connected of the second pin 12 and the sensor 20 during the process of mounting the cover assembly 42 and the sub-housing 43, wherein the connection of the first pin 11 and the stator 10 cannot or is difficult to be observed, and the connection of the second pin 12 and the sensor 20 cannot or is difficult to be observed, the accuracy that the first pin 11 is not favorable to being connected with the stator 10 and the second pin 12 is unfavorable to being connected with the sensor 20 is realized by arranging the connecting piece 53, the first lead 54 and the second lead 55, the connecting piece 53 is connected with the first lead 54 and the second lead 55, the first lead 54 is connected with the first pin 11, the second lead 55 is connected with the second pin 12, the circuit board 50 is fixedly connected with the sub-shell 43 or in limited connection, before the cover component 42 and the sub-shell 43 are assembled, the connecting piece 53 and the circuit board 50 can be assembled in advance, the electric connection and/or the signal connection between the first pin 11 and the stator 10 and the electric connection and/or the signal connection between the second pin 12 and the sensor 20 are realized, the connection between the first pin 11 and the stator 10 and the connection between the second pin 12 and the sensor 20 are favorable to being observed, so that the connection accuracy is favorable to being improved and the rejection rate is reduced.

It is understood that the control device 200 may be provided with only the first lead 54 or only the second lead 55, and when the first lead 54 is electrically and/or signal connected with the first pin 11 and the connector 53, the second pin 12 is electrically and/or signal connected with the circuit board 50 or the connector 53 or the sensor 20; when the second lead 55 is electrically and/or signal connected to the second pin 12 and the connector 53, the first pin 11 is electrically and/or signal connected to the circuit board 50 or the connector 53 or the stator 10.

The sensor 20 is specifically a position sensor, referring to fig. 3 and 4, the control device 200 includes a circuit board 50, the position sensor 20 includes a fixing frame 21, the fixing frame 21 is fixedly connected or limited to the position sensor 20, the circuit board 50 is fixedly connected to the fixing frame 21, the sub-housing 43 has a mounting groove 431, the mounting groove 431 has an opening facing the cover assembly 42, at least a portion of the fixing frame 21 is located in the mounting groove 431, the fixing frame 21 is fixedly connected or limited to the sub-housing 43, and specifically, the fixing frame 21 is fixedly connected or limited to a wall forming the mounting groove 431; the connection strength between the position sensor 20 and the circuit board 50 is improved, and the position accuracy of the position sensor 20 is ensured. It can be understood that when the fixing frame 21 is fixedly connected or connected with the sub-housing 43 in a limiting manner, the fixing frame 21 may not be fixedly connected with the circuit board 50; when the fixing frame 21 is fixedly connected with the circuit board 50, the fixing frame 21 may not be fixedly connected or limited connected with the sub-housing 43.

The control device 200 includes a first pin 11 and a second pin 12, the number of the first pins 11 is greater than or equal to two, the number of the second pins 12 is greater than or equal to two, specifically, referring to fig. 2 and 6, the number of the first pins 11 is four, the first pins 11 are used for being electrically connected and/or signal-connected with the stator 10, the number of the second pins 12 is four, the sensor 20 is specifically a position sensor, three of the second pins 12 are used for being electrically connected and/or signal-connected with the position sensor 20, and another one of the second pins 12 does not transmit a signal; defining a first direction, the first end 111 is arranged along the first direction, and the second end 121 is arranged along the first direction, specifically, the first direction is perpendicular to the axial direction of the electric valve 100, and the first direction is the M direction shown in fig. 2; the first ends 111 are arranged in a row, and the second ends 121 are arranged in a row, so that the first pins 11 and the second pins 12 can be electrically and/or signal-connected with the outside. It is understood that the first direction may not be limited to the direction M shown in fig. 2, for example, the first direction is parallel to the axial direction of the electric valve 100.

It should be noted that: the above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions and modifications thereof without departing from the spirit and scope of the present invention can be modified or replaced by other technical solutions and modifications by those skilled in the art.

Claims

1. A control device comprises a shell (40), a stator (10), a sensor (20), a first pin (11) and a second pin (12), wherein the shell (40) comprises a sub-shell (43) and a cover assembly (42), the stator (10) is fixed with the sub-shell (43) in an injection molding mode, the first pin (11) is fixed with the cover assembly (42) in an injection molding mode, the second pin (12) is fixed with the cover assembly (42) in an injection molding mode, the shell (40) comprises a connecting portion (30), the shell (40) is provided with a plug cavity (31), the connecting portion (30) forms at least part of the wall of the plug cavity (31), the first pin (11) is electrically and/or signal-connected with the stator (10), the first pin (11) comprises a first end portion (111), the first end portion (111) is located in the plug cavity (31), the second pin (12) is electrically and/or signal-connected with the sensor (20), the second pin (12) comprises a second end portion (121), and the second end portion (121) is located in the plug cavity (31).

2. The control device according to claim 1, characterized in that: the sub-shell (43) and the cover assembly (42) are arranged in a split mode, the sub-shell (43) and the cover assembly (42) are fixedly connected, and the interface portion (30) and the cover assembly (42) are fixedly connected or in limited connection or are of an integrated structure.

3. The control device according to claim 2, characterized in that: the cover assembly (42) comprises a body part (33) and a fixing part (32), the body part (33) and the sub-shell (43) are welded and fixed or fixed by screws or fixed by buckles or in interference fit, the first pin (11) and the fixing part (32) are fixed in an injection molding mode, the second pin (12) and the fixing part (32) are fixed in an injection molding mode,

the body part (33) and the fixing part (32) are of an integral structure; or the body part (33) and the fixing part (32) are of a split structure, and the body part (33) and the fixing part (32) are fixedly connected or in limited connection.

4. The control device according to claim 3, characterized in that: the interface part (30), the fixing part (32) and the body part (33) are of an integral structure, the interface part (30) forms at least part of a side wall (312) of the plug-in cavity (31), and the fixing part (32) forms at least part of a bottom wall (311) of the plug-in cavity (31).

5. The control device according to any one of claims 2 to 4, characterized in that: the control device comprises a circuit board (50), the shell (40) is provided with a containing cavity (41), at least part of the circuit board (50) is located in the containing cavity (41), the sensor (20) is located in the containing cavity (41),

the sensor (20) is electrically and/or signal-connected with the circuit board (50), and the second pin (12) is electrically and/or signal-connected with the circuit board (50); and/or the control device comprises a third pin (13), the stator (10) is electrically and/or signal-connected with the third pin (13), the third pin (13) is electrically and/or signal-connected with the circuit board (50), and the first pin (11) is electrically and/or signal-connected with the circuit board (50).

6. The control device according to claim 5, characterized in that: the cover component (42) is positioned on one side of the sub-shell (43) along the axial direction of the control device,

the first pin (11) comprises a first connecting part (112), the first connecting part (112) extends along the axial direction of the control device, the circuit board (50) comprises a first matching hole part (51), and the first connecting part (112) is positioned in the first matching hole part (51); and/or the second pin (12) comprises a second connecting part (122), the second connecting part (122) is arranged in an extending mode along the axial direction of the control device, the circuit board (50) comprises a second matching hole part (52), and the second connecting part (122) is located in the second matching hole part (52).

7. The control device according to claim 6, characterized in that: the first connecting portion (112) comprises a first through hole (114), a first matching section (115) and a second matching section (116), the first matching section (115) and the second matching section (116) are positioned on two sides of the first through hole (114), the first matching hole (51) compresses the first matching section (115) and the second matching section (116) along the radial direction of the first matching hole (51), the second connecting portion (122) comprises a second through hole (124), a third matching section (125) and a fourth matching section (126), the third matching section (125) and the fourth matching section (126) are positioned on two sides of the second through hole (124), and the second matching hole (52) compresses the third matching section (125) and the fourth matching section (126) along the radial direction of the second matching hole (52);

and/or the first connecting part (112) is welded and fixed with the first matching hole part (51), and the second connecting part (122) is welded and fixed with the second matching hole part (52).

8. The control device according to claim 5, characterized in that: the control device comprises a connecting piece (53), the connecting piece (53) is fixedly connected or in limited connection with the circuit board (50), the connecting piece (53) is electrically and/or signal-connected with the circuit board (50),

the control device comprises a first lead (54), the first lead (54) is fixedly connected with the connecting piece (53), the first lead (54) is electrically and/or signal-connected with the connecting piece (53), and the first lead (54) is electrically and/or signal-connected with the first pin (11); and/or the control device comprises a second lead (55), the second lead (55) is fixedly connected with the connecting piece (53), the second lead (55) is electrically and/or signal-connected with the connecting piece (53), and the second lead (55) is electrically and/or signal-connected with the second contact pin (12).

9. The control device according to any one of claims 5 to 8, characterized in that: the sensor (20) is a position sensor, the position sensor (20) comprising a mount,

the sub-shell (43) is provided with a mounting groove (431), the mounting groove (431) faces to the opening of the cover assembly (42), at least part of the fixing frame (21) is positioned in the mounting groove (431), and the fixing frame (21) is fixedly connected or in limited connection with the sub-shell (43); and/or the circuit board (50) is fixedly connected with the fixed frame (21).

10. An electrically operated valve, characterized by: the electric valve comprises the control device according to any one of claims 1 to 9, the electric valve comprises a rotor assembly (14) and a valve core assembly (60), the rotor assembly (14) is in transmission connection with the valve core assembly (60), a stator (10) of the control device is positioned at least partially on the periphery of the rotor assembly (14), the electric valve is provided with a valve port (61), the valve core assembly (60) can adjust the opening degree of the valve port (61), a sensor of the control device is a position sensor (20), and the position sensor (20) is positioned on the radial outer side of the rotor assembly (14).