Classifications

• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
  • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
  • D06F34/08—Control circuits or arrangements thereof

Definitions

• the invention relates to a connection base of a control circuit board of a washing machine, in which the control circuit board includes a group of conductive contacts, the connection base is mounted on the control circuit board and covers the conductive contacts, and more particularly to waterproof design of a connection base of a control circuit board of a washing machine for conductive contacts.
• a current washing machine is generally provided with an electronic control circuit board.
• Various electric elements in the washing machine are connected with the control circuit board through related leads and connectors, particularly crimp connectors.
• a common connection manner is that: a connection base is configured at a connecting finger end of the control circuit board, a positive connector is mounted on a lead connected with an electric element through a related lead, and the positive connector is plugged in the connection base and engaged with the connecting finger on the control circuit board, thereby implementing an electric connection.
• connection manner lie in that: in order to ensure contact elements work after being powered on, the connecting finger must be electrically exposed, and an assembly clearance inevitably exists between the connection base covering the connecting finger and the control circuit board.
• the work environment of the washing machine is usually moist, and water may permeate or be condensed on the connecting finger, thereby easily resulting in a short circuit of the connecting finger and further impairing proper function of the control circuit board.
• a technical problem to be solved in the invention is to implement sealing and waterproofing a connection base of a control circuit board of a washing machine for a conductive connection.
• a connection base of a control circuit board of a washing machine wherein the control circuit board includes a group of conductive contacts, and the connection base includes a connection base body mounted on the control circuit board and covering the conductive contacts; wherein further a sealing element is disposed between the connection base body and the control circuit board, and the sealing element separates the conductive contacts from an outside space of the connection base body hermetically.
• the sealing element is in cooperation with the connection base body and the control circuit board, so that the conductive contacts are sealed in the connection base body, and water drops or water vapor are inhibited to enter therein, thereby avoiding the short circuit caused by the action of the water.
• the conductive contacts are located at an edge of the control circuit board
• the connection base body includes a connection groove in plugging cooperation with the edge of the control circuit board, a part of the control circuit board disposed with the conductive contacts is plugged in the connection groove, a lip is located at each side of the connection groove respectively, and the sealing element is disposed around at least one lip of the connection groove.
• the sealing element thereby fills in a clearance left due to the plugging cooperation between the control circuit board and the connection base body, so as to achieve a good waterproofing effect; further, the production technique is implemented conveniently, and the cost is increased to a limited extent only, if at all.
• a mounting groove of the sealing element is disposed on the lip.
• the mounting groove is used for conveniently mounting and positioning the sealing element.
• the sealing element is an elastic sealing ring, and at least one locking element for preventing the sealing ring from sliding out of the lip is disposed on the lip.
• the locking element is a protruding block. The protruding block is realized easily in machining.
• the washing machine according to the invention refers to a laundry processing device in a generalized range, which includes a laundry washing device, a drying device, and a device having washing and drying functions simultaneously.
• a laundry processing device in a generalized range, which includes a laundry washing device, a drying device, and a device having washing and drying functions simultaneously.
• FIG. 1 is an assembly view of a control circuit board of a washing machine and a connection base
• FIG. 2 is a schematic structural view of the connection base separated from the control circuit board of the washing machine; and FIG. 3 is a structural view of a connection base body.
• a group of conductive contacts 102 are disposed at an edge part of a control circuit board 100 of a washing machine.
• a connection base 104 is mounted on the control circuit board 100 and covers the conductive contacts 102.
• the connection base 104 includes a connection base body 200.
• a connection groove 202 in plugging cooperation with the edge of the control circuit board 100 is disposed on the connection base body 200, and a lip 204 is located at each side of the connection groove 202 respectively.
• a mounting groove 206 is disposed on the lip 204 corresponding to the conductive contacts 102 on the connection base body 200, and an elastic sealing ring 300 is sleeved over the lip 204, and is located in the mounting groove 206.
• a part of the elastic sealing ring 300 is located between the connection base body 200 and the control circuit board 100, and seals a clearance between them.
• the elastic sealing ring 300 is located outside the conductive contacts 102, and separates the conductive contacts 102 from an outside space of the connection base body 200 hermetically, so that the conductive contacts 102 are enclosed in the connection groove 202, thereby preventing water from entering therein to cause the short circuit.
• a protruding block 208 is further disposed on the lip 204 of the connection base body 200, so as to fix the elastic sealing ring 300, and prevent the elastic sealing ring 300 slipping off from the lip 204 of the connection base body 200.
• the elastic sealing ring 300 is mounted only at one side of the mounting groove 202 because in this specific embodiment, only one side of the control circuit board 100 is disposed with the conductive contacts 102. In other specific embodiments, if both sides of the control panel are disposed with the conductive contacts, elastic sealing rings may be mounted at both lips of the mounting groove.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Detail Structures Of Washing Machines And Dryers (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=43895909

Family Applications (1)

Country Status (5)

Cited By (2)

Citations (2)

• 2010
  • 2010-05-24 CN CN2010202044105U patent/CN201812971U/zh not_active Expired - Fee Related
• 2011
  • 2011-05-10 EA EA201291238A patent/EA021279B1/ru not_active IP Right Cessation
  • 2011-05-10 EP EP11718121.4A patent/EP2577808B1/en active Active
  • 2011-05-10 PL PL11718121T patent/PL2577808T3/pl unknown
  • 2011-05-10 WO PCT/EP2011/057495 patent/WO2011147676A1/en active Application Filing

Patent Citations (2)

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