CN212357726U - Washing device - Google Patents

Abstract

The utility model discloses a washing device, which comprises a box body, a washing unit which is provided with a water containing cavity and can be inserted into or drawn out of the box body, and a water inlet pipeline which is arranged on the box body, wherein the cavity wall of the water containing cavity is provided with a water inlet, and the water outlet ends of the water inlet and the water inlet pipeline are provided with a conduction structure; when the washing unit is inserted in place, the conduction structure controls the water containing cavity to be communicated with the water inlet pipeline; when the washing unit is drawn out, the conduction structure controls the connection and disconnection between the water containing cavity and the water inlet pipeline. The utility model discloses a set up the on-structure, the intercommunication and the disconnection intercommunication of the flourishing water cavity of control and water intake pipe have realized the washing device's that has pull formula washing unit intaking, have avoided the problem of leaking that the water supply pipe easy wear of conventional pipeline mode of intaking caused ageing.

Description

Washing device

Technical Field

The utility model belongs to the technical field of washing device, specifically speaking relates to a washing device.

Background

The pull-out washing device comprises a shell and a washing unit which can be inserted into or pulled out of the shell, wherein the washing unit is arranged in the shell, a water inlet used for an external water source is formed in the shell of the washing device, a water filling port for feeding water into the washing unit is formed in the washing unit, and the water inlet is communicated with the water filling port, so that the purpose of feeding water into the washing unit from the external water source for washing can be achieved. Unlike a washing device in which the washing unit is fixed in the housing, the distance between the washing unit and the housing, that is, the distance between the water inlet and the water inlet, is changed as the washing unit is inserted and withdrawn. Therefore, for the pull-out washing device, a water inlet structure needs to be designed, which can realize the water inlet and adapt to the change of the distance between the water inlet and the water inlet.

The application number KR1020170002879A discloses a draw formula washing device's water inlet structure, and the inlet channel adopts corrugate inlet tube, can the self-adaptation change length at the in-process of washing unit pull. However, in the long-term use process, the corrugated pipe is inevitably worn or aged, so that the water leakage of the corrugated pipe is caused, the water inlet structure is invalid, and the washing equipment can be damaged in serious cases. And the corrugated pipe can generate obstruction when the drawer washing unit is drawn out, and the use hand feeling of a user is influenced.

The application number is KR1020170002879A discloses another kind of pull formula washing device's water inlet structure, at the inside rotatable connecting piece that is provided with of casing, the inlet tube extends and sets up inside along the connecting piece, can play certain guard action to the inlet tube. In the process of drawing the washing unit, the connecting piece is driven by the washing unit to rotate, so that the water inlet pipe is driven to be straightened or folded to adapt to the change of the distance between the washing unit and the shell. However, the connecting member occupies a certain space in the housing, resulting in an increase in the overall volume of the washing apparatus.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming prior art's not enough, but provides a washing device with pull washing unit, can adapt to the inserting of washing unit and take out to the realization is to the purpose of washing unit intaking.

In order to solve the technical problem, the utility model adopts the following basic concept:

a washing device comprises a box body, a washing unit which is provided with a water containing cavity and can be inserted into or drawn out of the box body, and a water inlet pipeline which is arranged on the box body, wherein a water inlet is formed in the cavity wall of the water containing cavity, and conducting structures are arranged at the water inlet and the water outlet end of the water inlet pipeline; when the washing unit is inserted in place, the conduction structure controls the water containing cavity to be communicated with the water inlet pipeline; when the washing unit is drawn out, the conduction structure controls the connection and disconnection between the water containing cavity and the water inlet pipeline.

Furthermore, the conduction structure comprises a sealing mechanism connected with the water inlet and a pushing mechanism arranged at the water outlet end of the water inlet pipeline; when the washing unit is drawn out, the sealing mechanism plugs the water inlet; the pushing mechanism pushes the sealing mechanism to open the water inlet to communicate the water containing cavity with the water inlet pipeline.

Further, the sealing mechanism comprises a valve body and a valve plug movably arranged in the valve body, and the valve body is provided with an inlet end communicated with the water inlet pipeline and an outlet end communicated with the water inlet; the valve plug is matched with the pushing mechanism and can open/close the communication between the inlet end and the outlet end; an elastic piece used for stopping the valve plug to keep a plugging state is arranged between the inner wall of the valve body and the valve plug.

Furthermore, a valve seat is fixedly connected in the valve cavity, and a guide hole is formed in the valve seat; the valve plug is fixedly connected with a valve rod, and the valve rod is movably inserted into the guide hole; the elastic member is disposed between the valve plug and the valve seat.

Further, the valve rod is arranged along the insertion/extraction direction of the washing unit, and the valve plug moves in the valve cavity along the insertion/extraction direction of the washing unit to open/close the communication between the inlet end and the outlet end; the water outlet end of the water inlet pipeline extends along the insertion/extraction direction of the washing unit.

Furthermore, one end of the pushing mechanism is inserted into the water outlet end of the water inlet pipeline, and the other end of the pushing mechanism protrudes out of the end face of the water outlet end of the water inlet pipeline and is matched with the sealing mechanism to open/close the water inlet.

Further, the pushing mechanism comprises a push rod arranged at the water outlet end of the water inlet pipeline, and when the washing unit is inserted in place, the push rod pushes the sealing mechanism to open the water inlet.

Furthermore, the pushing mechanism also comprises a support which is detachably connected to the water inlet pipeline, the support is hollow and tubular, one end of the support is inserted into the water outlet end of the water inlet pipeline, and when the washing unit is inserted in place, the other end of the support is inserted into the water inlet end of the sealing mechanism; the push rod is arranged inside the support and fixedly connected with the support.

Furthermore, a water collecting tank is arranged on the washing unit, is positioned below the sealing mechanism and is used for collecting water dropping when the sealing mechanism is disconnected with the pushing mechanism; the water collecting tank is communicated with the water containing cavity, or the water collecting tank is communicated to a drainage component of the washing unit through a pipeline.

Furthermore, the washing device also comprises a detection device for detecting whether the washing unit is inserted in place, wherein the detection device comprises a magnetic part/reed switch arranged on the washing unit and a reed switch/magnetic part arranged on the corresponding position of the shell; when the washing unit is inserted in place, the reed switch is conducted under the action of the magnetic piece;

alternatively, the detection means comprises a first probe and a second probe provided on the washing unit and the housing, respectively; when the washing unit is inserted in place, the first probe and the second probe are in contact conduction.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.

The utility model discloses a washing device, through setting up intercommunication and the disconnection intercommunication of the flourishing water cavity of conducting structure control and water intake pipe, realized the washing device's that has pull formula washing unit intaking, avoided the easy wear of water supply pipe of conventional pipeline mode of intaking to age the problem of leaking that causes.

The utility model discloses a washing device is provided with sealing mechanism and pushing mechanism, and when washing unit took out, sealing mechanism can the water inlet in the flourishing water cavity of shutoff, and when washing unit inserted in place, pushing mechanism and sealing mechanism cooperation can realize the purpose of intaking to flourishing water cavity, compare in the washing device that water supply line that adopts scalable or buckle carries out into water, have avoided the ageing problem of leaking that causes of pipeline wearing and tearing.

The utility model discloses a washing device is provided with the restoration that the elastic component is used for the valve plug among the sealing mechanism, ensures when the washing unit takes out, and the valve plug can keep the shutoff state.

The utility model discloses a washing device is provided with the water catch bowl in the sealing mechanism below, and the water of drippage falls into inside the box when preventing sealing mechanism and pushing mechanism disconnection, but gets into flourishing water cavity or discharge washing device through the water catch bowl.

The utility model discloses a washing device detects through setting up detection device whether the washing unit inserts and targets in place, can be used to judge whether the conducting structure communicates flourishing water cavity and inlet channel.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of a washing apparatus according to the present invention;

FIG. 2 is a schematic view of the washing unit of the present invention inserted into the cabinet;

fig. 3 is an enlarged schematic view of fig. 2 at a according to the present invention;

FIG. 4 is a schematic cross-sectional view of the washing unit of the present invention;

fig. 5 is a schematic structural view showing the disconnection between the sealing mechanism and the pushing mechanism of the present invention;

fig. 6 is a schematic structural view of the sealing mechanism being pushed to open by the pushing mechanism of the present invention;

fig. 7 is a schematic structural diagram of a detection apparatus in the fifth embodiment of the present invention.

In the figure: 1. a box body; 2. a washing unit; 21. an outer tub; 22. an inner barrel; 3. a water inlet pipeline; 4. a sealing mechanism; 41. a valve body; 42. a valve plug; 43. an elastic member; 44. a valve seat; 45. a valve stem; 5. a pushing mechanism; 51. a push rod; 52. a support; 6. a water collection tank; 71. a magnetic member; 72. a reed switch; 73. protecting the shell; 8. a drum washing machine.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the washing apparatus of the present invention includes a case 1, a washing unit 2 having a water containing chamber inside and capable of being inserted into/drawn out of the case 1, and a water inlet pipe 3 installed on the case 1. The wall of the water containing cavity is provided with a water inlet, and the water inlet and the water outlet end of the water inlet pipeline 3 are provided with a conduction structure. When the washing unit is inserted in place, the conduction structure controls the water containing cavity to be communicated with the water inlet pipeline 3; when the washing unit is drawn out, the connection structure controls the connection and disconnection between the water containing cavity and the water inlet pipeline.

As an optimal implementation manner of the utility model, the conduction structure comprises a sealing mechanism 4 connected with the water inlet and a pushing mechanism arranged at the water outlet end of the water inlet pipeline 3. When the washing unit 2 is drawn out, the sealing mechanism 4 blocks the water inlet; when the washing unit 2 is inserted in place, the pushing mechanism 5 pushes the sealing mechanism 4 to open the water inlet to communicate the water containing cavity with the water inlet pipeline 3.

Example one

As shown in fig. 1 to 6, the washing apparatus of the present embodiment includes a housing 1, a washing unit 2 having a water containing chamber and capable of being inserted into/withdrawn from the housing 1, a water inlet pipe 3 installed on the housing 1, a sealing mechanism 4 installed on the washing unit 2, and a pushing mechanism 5 installed on the housing. Specifically, the washing unit 2 may be a pulsator washing machine installed inside the cabinet 1 to be drawable, or may be a shoe washing machine to be drawable. As shown in fig. 1 and 6, the washing unit 2 according to the present embodiment is exemplified by a pulsator washing machine, and the washing apparatus specifically includes a drum washing machine 8 installed at an upper portion of the cabinet 1 and a pulsator washing machine which is located at a lower portion of the cabinet 1 and is insertable/extractable into/out of the cabinet 1. An outer barrel 21 and an inner barrel 22 are arranged in the pulsator washing machine, and the water containing cavity is a cavity inside the outer barrel 21.

The sealing mechanism 4 comprises a valve body 41 having a hollow valve chamber with an inlet end and an outlet end and a valve plug 42 movably arranged in the valve chamber. The cavity wall of the water containing cavity is provided with a water inlet, and the outlet end is communicated with the water inlet through a pipeline. An elastic piece 43 for stopping the valve plug 42 to keep a plugging state is arranged between the valve cavity and the valve plug 42, and the valve plug 42 can plug the communication between the inlet end and the outlet end in the plugging state. Pushing mechanism 5 sets up the play water end at water intake pipe 3, and when washing unit 2 inserted when targetting in place, the entry end of valve pocket and water intake pipe 3's play water end intercommunication, pushing mechanism 5 promoted valve plug 42 and moved and open the intercommunication between entry end and the exit end, and then communicate water intake pipe and flourishing water cavity, realized the purpose of intaking to flourishing water cavity through the inlet tube.

In a preferred embodiment of the present embodiment, a valve seat 44 is fixedly connected in the valve cavity, and a guide hole is formed on the valve seat 44. The valve plug 42 is fixedly connected with a valve rod 45, the valve rod 45 is movably inserted in the guide hole, and the elastic member 43 is arranged between the valve plug 42 and the valve seat 44. Through the setting of guiding hole and valve rod 45, restricted the moving direction of valve plug 42 in the valve pocket, can play better opening and shutoff effect.

In a further preferred embodiment of the present embodiment, the valve rod 45 is disposed along the insertion/extraction direction of the washing unit 2, and drives the valve plug 42 to move along the insertion/extraction direction of the washing unit 2 in the valve cavity, thereby opening/blocking the communication between the inlet end and the outlet end. The water outlet end of the water inlet line 3 extends in the direction of insertion/extraction of the washing unit 2. When the washing unit 2 is inserted in place, the pushing mechanism 3 is inserted into the inlet end of the valve cavity and communicates the water outlet end of the water inlet pipeline 3 with the inlet end of the valve cavity.

In the embodiment, the valve body, the valve plug and the elastic piece are arranged, so that a one-way conduction structure of the sealing mechanism is realized, when the washing unit is drawn out, the valve plug plugs the communication between the inlet end and the outlet end, and the sealing between the water inlet of the water containing cavity and the outside is further realized; when the washing unit is inserted in place, the pushing mechanism pushes the valve plug to open the communication between the inlet end and the outlet end to communicate the water inlet pipeline and the water containing cavity, so that the purpose of feeding water into the water containing cavity through the water inlet pipeline is realized.

Example two

The present embodiment is different from the first embodiment in that: the sealing mechanism is a sealing valve plug arranged at the water inlet of the water containing cavity. When the washing unit is taken out, the shutoff of sealing valve stopper the water inlet, when the washing unit inserts when targetting in place, pushing mechanism promotes sealing valve stopper opens the water inlet, and the play water end of inlet channel inserts the water inlet.

In this embodiment, directly set up sealed valve plug in the water inlet department of flourishing water cavity, the effect of realization is the same with above-mentioned embodiment one, and the structure is simpler.

EXAMPLE III

As shown in fig. 1 to 6, this embodiment is further limited to the first embodiment, when the washing unit 2 is inserted in place, one end of the pushing mechanism 5 is inserted into the water outlet end of the water inlet pipeline 3, and the other end of the pushing mechanism protrudes out of the end surface of the water outlet end of the water inlet pipeline 3, and cooperates with the sealing mechanism 4 to open/close the water inlet. The pushing mechanism 5 comprises a push rod 51 arranged at the water outlet end of the water inlet pipeline 3, when the washing unit is inserted in place, the push rod 51 extends into the inlet end of the valve cavity to push the valve plug 42 to move to open the communication between the inlet end and the outlet end.

In a preferred version of this embodiment, the pushing mechanism 5 further comprises a bracket removably attached to the inlet line 3. The bracket 52 is hollow tubular, and the right end is inserted into the water outlet end of the water inlet pipeline 3. The push rod 51 is coaxially disposed inside the bracket 52, and the left end thereof protrudes from the left end surface of the bracket 52. When the washing unit 2 is inserted in place, the left end of the bracket 52 is inserted into the inlet end of the valve cavity, communicating the water inlet pipeline 3 with the interior of the valve cavity, and further communicating with the water containing cavity. Preferably, a sealing member is disposed at the inner side of the inlet end of the valve chamber and/or the outer side of the left end of the bracket 52, so as to ensure the sealing between the inlet end of the valve chamber and the bracket 52 after the left end of the bracket 52 is inserted into the inlet end of the valve chamber, and prevent the water leakage at the joint of the bracket 52 and the valve chamber when the water inlet pipeline enters the water containing chamber.

In this embodiment, through setting up the pushing mechanism who comprises push rod and support, when the washing unit inserts to target in place, the support intercommunication water intake pipe's play water end and the entry end of valve pocket, the push rod promotes the valve plug and opens the intercommunication between entry end and exit end, has realized that after the washing unit inserts the box, switching on in water inlet water route has realized intaking the purpose to flourishing water cavity through the inlet tube way.

Example four

As shown in fig. 1 to 6, this embodiment is further limited to the third embodiment, the washing unit 2 is provided with a water collecting tank 6, and the water collecting tank 6 is located below the sealing mechanism 4 and is used for collecting water dropping when the sealing mechanism 4 is disconnected from the pushing mechanism 5. Specifically, the water collecting tank 6 is a groove with an opening on the upper surface, and the opening is positioned right below the inlet end of the valve cavity of the sealing mechanism 2. After the water inlet pipeline 3 stops supplying water, a small amount of residual water cannot be avoided in the bracket 52 and the valve cavity, and when the sealing mechanism 4 is disconnected from the pushing mechanism 5, namely the left end of the bracket 52 is drawn out from the inlet end of the valve cavity, the residual water may drip from the inlet end of the valve cavity. Such dripping water, if it falls into the bottom of the case 1 and is difficult to clean, may damage the circuit provided at the bottom of the case 1 in severe cases. The water collection sump 6 is arranged to collect this dripping water and prevent it from falling into the tank 1.

The bottom of the water collecting tank 6 is communicated with the water containing cavity through a pipeline, specifically, an outer barrel 21 and an inner barrel 22 are arranged in the washing unit, the bottom of the water collecting tank 6 is communicated with the outer barrel 21 through a pipeline, and the dripped water is introduced into the outer barrel 21 and then is discharged through a drainage component communicated with the outer barrel 21. Or the bottom of the water collecting tank 6 is directly communicated to a drainage component of the washing unit 2 through a pipeline, and the dripped water is introduced into the drainage component and drained out of the washing device. Therefore, the water collected by the water collecting tank 6 can be prevented from remaining in the washing device, and a damp environment exists in the washing device so as to bring a series of influences.

In this embodiment, be provided with the water catch bowl in sealing mechanism below, the water that drips when preventing sealing mechanism and pushing mechanism disconnection falls into inside the box, but gets into flourishing water cavity or discharge washing device through the water catch bowl, has avoided the inside influence that causes of water drippage box.

EXAMPLE five

This embodiment is a further limitation of any of the first to fourth embodiments, wherein the washing device further comprises a detection device for detecting whether the washing unit is inserted in place. As shown in fig. 7, the detecting device includes a magnetic member 71 disposed on the washing unit 2 and a reed switch 72 disposed at a corresponding position of the cabinet 1, and a protective case 73 is provided around the magnetic member 71. When the washing unit 2 is inserted in place, the reed switch 72 is conducted under the action of the magnetic piece 71, which indicates that the sealing mechanism 4 is matched with the pushing mechanism 5 to conduct the water containing cavity and the water inlet pipeline 3.

In another aspect of this embodiment, the detection device is a touch switch including a first probe and a second probe respectively disposed on the washing unit and the housing. When the washing unit is inserted in place, the first probe and the second probe are in contact conduction, and the sealing mechanism is matched with the pushing mechanism to conduct the water containing cavity and the water inlet pipeline.

In the embodiment, whether the washing unit is inserted in place or not is detected by arranging the detection device, and the detection device can be used for judging whether the sealing mechanism and the pushing mechanism are matched to conduct the water inlet waterway or not, so that whether the washing device enters water into the water containing cavity or not is controlled, and the problems of idling noise and energy consumption of the water inlet valve caused by opening the water inlet valve to feed water under the condition that the water inlet waterway is not conducted are solved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims (10)

1. A washing device comprising a cabinet, a washing unit having a water containing chamber in the interior thereof and insertable/extractable, and a water inlet pipe installed on the cabinet, characterized in that: a water inlet is formed in the wall of the water containing cavity, and a conduction structure is arranged at the water inlet and the water outlet end of the water inlet pipeline; when the washing unit is inserted in place, the conduction structure controls the water containing cavity to be communicated with the water inlet pipeline; when the washing unit is drawn out, the conduction structure controls the connection and disconnection between the water containing cavity and the water inlet pipeline.

2. A washing apparatus as claimed in claim 1, wherein: the conduction structure comprises a sealing mechanism connected with the water inlet and a pushing mechanism arranged at the water outlet end of the water inlet pipeline; when the washing unit is drawn out, the sealing mechanism plugs the water inlet; the pushing mechanism pushes the sealing mechanism to open the water inlet to communicate the water containing cavity with the water inlet pipeline.

3. A washing apparatus as claimed in claim 2, wherein: the sealing mechanism comprises a valve body with a hollow valve cavity and a valve plug movably arranged in the valve body, and the valve body is provided with an inlet end communicated with the water inlet pipeline and an outlet end communicated with the water inlet; the valve plug is matched with the pushing mechanism and can open/close the communication between the inlet end and the outlet end; an elastic piece used for stopping the valve plug to keep a plugging state is arranged between the inner wall of the valve body and the valve plug.

4. A washing apparatus as claimed in claim 3, wherein: a valve seat is fixedly connected in the valve cavity, and a guide hole is formed in the valve seat; the valve plug is fixedly connected with a valve rod, and the valve rod is movably inserted into the guide hole; the elastic member is disposed between the valve plug and the valve seat.

5. A washing device as claimed in claim 4, characterized in that: the valve rod is arranged along the insertion/extraction direction of the washing unit, and the valve plug moves in the valve cavity along the insertion/extraction direction of the washing unit to open/close the communication between the inlet end and the outlet end; the water outlet end of the water inlet pipeline extends along the insertion/extraction direction of the washing unit.

6. A washing apparatus as claimed in claim 2, wherein: one end of the pushing mechanism is inserted into the water outlet end of the water inlet pipeline, and the other end of the pushing mechanism protrudes out of the end face of the water outlet end of the water inlet pipeline and is matched with the sealing mechanism to open/close the water inlet.

7. A washing device as claimed in claim 6, characterized in that: the pushing mechanism comprises a push rod arranged at the water outlet end of the water inlet pipeline, and when the washing unit is inserted in place, the push rod pushes the sealing mechanism to open the water inlet.

8. The washing apparatus as recited in claim 7 wherein: the pushing mechanism also comprises a support which is detachably connected to the water inlet pipeline, the support is hollow and tubular, one end of the support is inserted into the water outlet end of the water inlet pipeline, and when the washing unit is inserted in place, the other end of the support is inserted into the water inlet end of the sealing mechanism; the push rod is arranged inside the support and fixedly connected with the support.

9. A washing apparatus as claimed in claim 2, wherein: the washing unit is provided with a water collecting tank, and the water collecting tank is positioned below the sealing mechanism and used for collecting water dropping when the sealing mechanism is disconnected with the pushing mechanism; the water collecting tank is communicated with the water containing cavity, or the water collecting tank is communicated to a drainage component of the washing unit through a pipeline.

10. A washing apparatus according to any one of claims 1-9, characterized in that: the washing device also comprises a detection device for detecting whether the washing unit is inserted in place, wherein the detection device comprises a magnetic part/reed switch arranged on the washing unit and a reed switch/magnetic part arranged on the corresponding position of the shell; when the washing unit is inserted in place, the reed switch is conducted under the action of the magnetic piece;

alternatively, the detection means comprises a first probe and a second probe provided on the washing unit and the housing, respectively; when the washing unit is inserted in place, the first probe and the second probe are in contact conduction.

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