阅读说明：本技术 一种低压电器用护器 (Protector for low-voltage electrical appliance ) 是由 余成鹏 于 2020-06-04 设计创作，主要内容包括：本发明公开了一种低压电器用护器,包括保护器壳体,所述保护器壳体的顶部固定连接有导电线,所述保护器壳体的内壁固定连接有固定臂,所述导电线固定连接在固定臂的顶部,所述固定臂的内部固定连接有第一导线,所述固定臂内壁的顶部固定连接有触板,所述固定臂的内壁固定连接有第一触头,所述第一触头的表面活动贴合有第二触头。本发明电路处于高压时,发热块产生热量并使得活动臂迅速转动,并使得第一触头和第二触头分离,且第三触头与触板接触,改变电流的流经路径,并通过高阻值电阻对高压电流进行降压处理,维持电路中电流的流通,防止低压电器被高压击穿,从而实现起到对低压电器保护的目的。(The invention discloses a protector for a low-voltage electrical appliance, which comprises a protector shell, wherein the top of the protector shell is fixedly connected with a conducting wire, the inner wall of the protector shell is fixedly connected with a fixing arm, the conducting wire is fixedly connected to the top of the fixing arm, the inside of the fixing arm is fixedly connected with a first conducting wire, the top of the inner wall of the fixing arm is fixedly connected with a touch panel, the inner wall of the fixing arm is fixedly connected with a first contact, and the surface of the first contact is movably attached with a second contact. When the circuit is in a high voltage state, the heating block generates heat, the movable arm rapidly rotates, the first contact is separated from the second contact, the third contact is in contact with the touch plate, the flowing path of current is changed, high-voltage current is subjected to voltage reduction treatment through the high-resistance resistor, the current circulation in the circuit is maintained, and a low-voltage electric appliance is prevented from being broken down by the high voltage, so that the aim of protecting the low-voltage electric appliance is fulfilled.)

1. A protector for low-voltage electrical appliances, comprising a protector housing (101), characterized in that: the top of the protector shell (101) is fixedly connected with a conductive wire (102), the inner wall of the protector shell (101) is fixedly connected with a fixed arm (103), the conductive wire (102) is fixedly connected to the top of the fixed arm (103), the inside of the fixed arm (103) is fixedly connected with a first lead (104), the top of the inner wall of the fixed arm (103) is fixedly connected with a contact plate (115), the inner wall of the fixed arm (103) is fixedly connected with a first contact (105), the surface of the first contact (105) is movably attached with a second contact (106), one end, far away from the first contact (105), of the second contact (106) is fixedly connected with a movable arm (107), the inside of the movable arm (107) is respectively and fixedly connected with a second lead (108) and a fourth lead (116), one end, far away from the second contact (106), of the movable arm (107) is fixedly connected with a third contact (117), the bottom of the movable arm (107) is fixedly connected with a third conducting wire (109), one end of the movable arm (107) is fixedly connected with a fifth conducting wire (118), the surface of the fifth lead (118) is fixedly connected with a high-resistance resistor (119), the surface of the movable arm (107) is rotatably connected with a first hinge seat (110), the bottom of the movable arm (107) is fixedly connected with a first damping spring (111), one ends of the first hinged seat (110) and the first damping spring (111) far away from the movable arm (107) are fixedly connected with a fixed plate (112), the fixing plate (112) is fixedly connected with the inner wall of the protector shell (101), the inner wall of the protector shell (101) is fixedly provided with a heating block (113), and the third lead (109) is fixedly connected to the top of the heating block (113), and the bottom of the heating block (113) is fixedly connected with a drainage wire (114).

2. The protector for low-voltage electric appliances according to claim 1, characterized in that: the conducting wire (102) penetrates through and extends to the interior of the protector shell (101), the conducting wire (102) is electrically connected with the first conducting wire (104), and the first conducting wire (104) is electrically connected with the first contact (105) and the contact plate (115) respectively.

3. The protector for low-voltage electric appliances according to claim 1, characterized in that: the second lead (108) is electrically connected with the second contact (106), the third lead (109) penetrates through and extends to two ends of the fixing plate (112), the third lead (109) is electrically connected with the second lead (108) and the heating block (113) respectively, the drainage wire (114) is electrically connected with the heating block (113), and the drainage wire (114) penetrates through and extends to the bottom of the protector shell (101).

4. The protector for low-voltage electric appliances according to claim 1, characterized in that: the fourth lead (116) is electrically connected with the third contact (117) and a fifth lead (118) respectively, the fifth lead (118) penetrates through and extends to two ends of the fixing plate (112), the fifth lead (118) is electrically connected with the third lead (109), and the high-resistance resistor (119) is fixedly connected to the bottom of the fixing plate (112).

5. The protector for low-voltage electric appliances according to claim 1, characterized in that: the one end fixedly connected with insulation board (120) of the corresponding protector casing (101) inner wall of heating piece (113), one end fixedly connected with bolt (121) of heating piece (113) position is kept away from in insulation board (120), and the surface of bolt (121) and the lateral wall threaded connection of protector casing (101), bolt (121) run through and extend to the outside of protector casing (101).

6. The protector for low-voltage electric appliances according to claim 1, characterized in that: a heat conducting block (122) is fixedly embedded in the first damping spring (111), and a thermistor (123) is fixedly connected to one end, far away from the heating block (113), of the heat conducting block (122).

7. The protector for low-voltage electric appliances according to claim 6, characterized in that: both ends of the thermistor (123) are fixedly connected with a sixth lead (124), and the middle part of the sixth lead (124) is fixedly connected with a storage battery (125).

8. The protector for low-voltage electric appliances according to claim 7, characterized in that: battery (125) fixed connection is at the inner wall of protector casing (101), the inner wall fixedly connected with magnetic induction line insulator spindle (126) of the corresponding sixth wire (124) position of protector casing (101), and sixth wire (124) activity winding is on the surface of magnetic induction line insulator spindle (126).

9. The protector for low-voltage electric appliances according to claim 8, characterized in that: the middle part fixedly connected with stand pipe (129) of corresponding magnetic induction line insulator spindle (126) position of fixed plate (112), the inner wall activity of stand pipe (129) is pegged graft and is had carriage release lever (130), the one end fixedly connected with iron plate (127) of the corresponding magnetic induction line insulator spindle (126) position of carriage release lever (130), the one end fixedly connected with second damping spring (128) of the corresponding carriage release lever (130) position of iron plate (127), and second damping spring (128) fixed connection is in the bottom of fixed plate (112).

10. A protector for low-voltage electrical appliances, according to claim 9, characterized in that: the utility model discloses a protector, including the top fixedly connected with drive pole (131) of carriage release lever (130), the top swing joint of carriage release lever (130) has drive frame (132), and drives the surface of post (131) and the inner wall swing joint of drive frame (132), the one end fixedly connected with turning block (133) of carriage release lever (130) position are kept away from in drive frame (132), one end fixedly connected with actuating lever (134) of drive frame (132) position are kept away from in turning block (133), actuating lever (134) swing joint is between digging arm (107) and fixed arm (103) opposite face, the dual concave surface of turning block (133) articulates there is articulated seat (135) of second, and articulated seat (135) fixed connection of second is at the top of fixed plate (112), the inner wall fixedly connected with insulating layer (136) of protector casing (101).

Technical Field

The invention relates to the field of low-voltage protectors, in particular to a protector for a low-voltage electrical appliance.

Background

At present, the development of human science and technology enters a highly information development stage, but the development is still affected by three factors of energy, environment and safety, particularly the environment and the safety, which are basic conditions for maintaining normal life and work of people, so that many unsafe factors are caused, but the development is not beyond natural disasters and human accidents. Under the condition of not considering human factors, people always have hard resistance to natural disasters with the spirit of active exploration from ancient times to present, and particularly the protection to thunder and lightning. In the decade of international relief of natural disasters identified in united nations, lightning disasters have risen to the top of natural disasters, and cases of personal casualties, fires, explosions, building collapse, forest fires, and the like caused by lightning in the natural environment where humans live are numerous, and particularly, in recent years, along with rapid development of electronic technologies and wide application of electronic electric devices, cases of lightning strikes on various electronic electric devices have occurred. Direct loss and indirect loss caused by lightning accidents are serious and even immeasurable, surge is transient overvoltage exceeding normal working voltage as the name suggests, is called transient pulse voltage, transient overvoltage, surge or surge and the like, is transient current and voltage fluctuation appearing in a circuit, and generally lasts about one millionth of one second in the circuit, and low-voltage distribution appliances need a low-voltage protection device to realize high-voltage drainage in lightning weather so as to protect the circuit.

However, in the prior art, when the low-voltage protection device is actually used, the slow temperature rise process can be effectively protected, and the low-voltage protection device cannot sense the process in time and cannot act under the condition of rapid temperature rise, so that the low-voltage electrical appliance is broken down by high voltage, and the protection of the low-voltage electrical appliance cannot be realized.

Disclosure of Invention

The present invention is directed to a protector for low voltage electrical appliances, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the protection device comprises a protection device shell, wherein a conductor wire is fixedly connected to the top of the protection device shell, a fixed arm is fixedly connected to the inner wall of the protection device shell, the conductor wire is fixedly connected to the top of the fixed arm, a first lead is fixedly connected to the inner portion of the fixed arm, a touch panel is fixedly connected to the top of the inner wall of the fixed arm, a first contact is fixedly connected to the inner wall of the fixed arm, a second contact is movably attached to the surface of the first contact, a movable arm is fixedly connected to one end, away from the position of the first contact, of the second contact, a second lead and a fourth lead are fixedly connected to the inner portion of the movable arm respectively, a third contact is fixedly connected to one end, away from the position of the second contact, of the movable arm, a third lead is fixedly connected to the bottom of the movable arm, a fifth lead is fixedly connected to, the surface of digging arm rotates and is connected with first articulated seat, the first damping spring of bottom fixedly connected with of digging arm, the equal fixedly connected with fixed plate of one end that the digging arm was kept away from to first articulated seat and first damping spring, and fixed plate fixed connection is at the inner wall of protector casing, the fixed piece that generates heat that is equipped with of inner wall of protector casing, and third wire fixed connection is at the top of the piece that generates heat, the bottom fixedly connected with drainage line of the piece that generates heat.

Preferably, the conductive wire penetrates and extends to the inside of the protector shell, and the conductive wire is electrically connected with the first lead, and the first lead is electrically connected with the first contact and the contact plate respectively.

Preferably, the second wire is electrically connected with the second contact, the third wire penetrates and extends to two ends of the fixing plate, the third wire is electrically connected with the second wire and the heating block respectively, the drainage wire is electrically connected with the heating block, and the drainage wire penetrates and extends to the bottom of the protector shell.

Preferably, the fourth wire is electrically connected to the third contact and a fifth wire, the fifth wire penetrates through and extends to two ends of the fixing plate, the fifth wire is electrically connected to the third wire, and the high-resistance resistor is fixedly connected to the bottom of the fixing plate.

Preferably, the one end fixedly connected with insulation board of the corresponding protector shells inner wall of heating block, the one end fixedly connected with bolt that the heating block position was kept away from to the insulation board, and the lateral wall threaded connection of the surperficial and the protector shell of bolt, the bolt runs through and extends to the outside of protector shell.

Preferably, a heat conducting block is fixedly embedded in the first damping spring, and a thermistor is fixedly connected to one end, far away from the heating block, of the heat conducting block.

Preferably, both ends of the thermistor are fixedly connected with a sixth lead, and the middle part of the sixth lead is fixedly connected with a storage battery.

Preferably, battery fixed connection is at the inner wall of protector casing, the inner wall fixedly connected with magnetic induction line insulator spindle of the corresponding sixth wire position of protector casing, and the activity winding of sixth wire is on the surface of magnetic induction line insulator spindle.

Preferably, the middle part fixedly connected with stand pipe in the corresponding magnetic induction line insulator spindle position of fixed plate, the inner wall activity of stand pipe is pegged graft and is had the carriage release lever, the one end fixedly connected with iron plate in the corresponding magnetic induction line insulator spindle position of carriage release lever, the one end fixedly connected with second damping spring in the corresponding carriage release lever position of iron plate, and second damping spring fixed connection is in the bottom of fixed plate.

Preferably, the top fixedly connected with drive post of carriage release lever, the top swing joint of carriage release lever has the drive frame, and the surface of drive post and the inner wall swing joint of drive frame, the one end fixedly connected with turning block of carriage release lever position is kept away from to the drive frame, the one end fixedly connected with actuating lever of drive frame position is kept away from to the turning block, actuating lever swing joint is between digging arm and fixed arm opposite face, the couple concave surface of turning block articulates there is the articulated seat of second, and the articulated seat fixed connection of second is at the top of fixed plate, the inner wall fixedly connected with insulating layer of protector casing.

Compared with the prior art, the invention has the beneficial effects that:

1. when the circuit is at high voltage, the heating block generates heat and enables the movable arm to rotate rapidly, the first contact and the second contact are separated, the third contact is in contact with the touch plate, the flowing path of current is changed, high-voltage current is subjected to voltage reduction treatment through the high-resistance resistor, the current circulation in the circuit is maintained, and a low-voltage electric appliance is prevented from being broken down by high voltage, so that the aim of protecting the low-voltage electric appliance is fulfilled;

2. the heating block is fixed on the inner wall of the protector shell through the bolt matched with the insulating plate, so that the heating block is suspended and fixed in the protector shell, the heating block is convenient to radiate, and the heat of the heating block can be quickly lost when the high-voltage current is lost, so that the device can be restored to the initial position.

3. When the high-voltage current is introduced through the circuit, the heating block can be heated, and when the heating block is heated, the heat is transferred to the thermistor through the heat conducting block, the resistance value of the thermistor is increased, so that the magnetic field of the sixth lead at the magnetic induction line insulating rod is weakened, under the action of the second damping spring, the second damping spring drives the moving rod to move upwards through the iron block, the moving rod is matched with the driving column and the driving frame to drive the rotating block to rotate anticlockwise, and the driving rod drives the movable arm to rotate clockwise by taking the top of the first hinge seat as a rotating shaft, so that power is provided for the rotation of the movable arm.

Drawings

FIG. 1 is a front sectional view of the overall structure of a protector for low-voltage electrical appliances in accordance with the present invention;

FIG. 2 is a front view of the overall structure of a protector for low-voltage electrical appliances in accordance with the present invention;

FIG. 3 is a partial front sectional view of the overall structure of the protector for low-voltage electrical appliances of the present invention;

FIG. 4 is a front cross-sectional view of a fixing arm structure of a protector for a low-voltage apparatus according to the present invention;

FIG. 5 is a front sectional view of a heat block of the protector for low voltage electrical apparatus of the present invention.

In the figure: 101. a protector housing; 102. a conductive wire; 103. a fixed arm; 104. a first conductive line; 105. a first contact; 106. a second contact; 107. a movable arm; 108. a second conductive line; 109. a third conductive line; 110. a first hinge mount; 111. a first damping spring; 112. a fixing plate; 113. a heat block; 114. a drainage wire; 115. a touch panel; 116. a fourth conductive line; 117. a third contact; 118. a fifth conductive line; 119. a high resistance resistor; 120. an insulating plate; 121. a bolt; 122. a heat conducting block; 123. a thermistor; 124. a sixth conductive line; 125. a storage battery; 126. a magnetic induction wire insulating rod; 127. an iron block; 128. a second damping spring; 129. a guide tube; 130. a travel bar; 131. a drive column; 132. a drive frame; 133. rotating the block; 134. a drive rod; 135. a second hinge mount; 136. an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the protector comprises a protector shell 101, a conductive wire 102 is fixedly mounted on the top of the protector shell 101, a fixed arm 103 is fixedly mounted on the inner wall of the protector shell 101, the conductive wire 102 is fixedly mounted on the top of the fixed arm 103, a first lead 104 is fixedly mounted inside the fixed arm 103, a contact plate 115 is fixedly mounted on the top of the inner wall of the fixed arm 103, a first contact 105 is fixedly mounted on the inner wall of the fixed arm 103, a second contact 106 is movably attached to the surface of the first contact 105, a movable arm 107 is fixedly mounted at one end, away from the first contact 105, of the second contact 106, a second lead 108 and a fourth lead 116 are respectively fixedly mounted inside the movable arm 107, a third contact 117 is fixedly mounted at one end, away from the second contact 106, of the movable arm 107, a third lead 109 is fixedly mounted at the bottom of the movable arm 107, a fifth lead 118 is fixedly mounted at one end of the movable arm 107, and a, the surperficial rotation of digging arm 107 is connected with first articulated seat 110, the bottom fixed mounting of digging arm 107 has first damping spring 111, the equal fixed mounting of one end that digging arm 107 was kept away from to first articulated seat 110 and first damping spring 111 has fixed plate 112, and fixed plate 112 fixed mounting is at the inner wall of protector casing 101, the fixed heating block 113 that is equipped with of inner wall of protector casing 101, and third wire 109 fixed mounting is at the top of heating block 113, the bottom fixed mounting of heating block 113 has drainage 114.

The conductive wire 102 penetrates and extends to the inside of the protector case 101, and the conductive wire 102 is electrically connected to the first wire 104, and the first wire 104 is electrically connected to the first contact 105 and the contact plate 115, respectively.

The second wire 108 is electrically connected with the second contact 106, the third wire 109 penetrates and extends to two ends of the fixing plate 112, the third wire 109 is electrically connected with the second wire 108 and the heating block 113 respectively, the drainage wire 114 is electrically connected with the heating block 113, and the drainage wire 114 penetrates and extends to the bottom of the protector shell 101.

The fourth wire 116 is electrically connected to the third contact 117 and the fifth wire 118, the fifth wire 118 penetrates and extends to two ends of the fixing plate 112, the fifth wire 118 is electrically connected to the third wire 109, and the high resistance resistor 119 is fixedly mounted at the bottom of the fixing plate 112.

The insulating plate 120 is fixedly installed at one end, corresponding to the inner wall of the protector shell 101, of the heating block 113, the bolt 121 is fixedly installed at one end, away from the position of the heating block 113, of the insulating plate 120, the surface of the bolt 121 is in threaded connection with the side wall of the protector shell 101, the bolt 121 penetrates through and extends to the outside of the protector shell 101, the heating block 113 is fixed on the inner wall of the protector shell 101 through the bolt 121 matched with the insulating plate 120, the heating block 113 is fixed in the protector shell 101 in a suspended mode, heat dissipation is facilitated for the heating block 113, heat of the heating block 113 can disappear quickly when high-voltage current disappears, and therefore the device can be restored to the initial position.

A heat conducting block 122 is fixedly embedded in the first damping spring 111, and a thermistor 123 is fixedly mounted at one end of the heat conducting block 122 far away from the heating block 113.

Both ends of the thermistor 123 are fixedly provided with a sixth lead 124, and the middle part of the sixth lead 124 is fixedly provided with a storage battery 125.

The storage battery 125 is fixedly mounted on the inner wall of the protector housing 101, the magnetic induction line insulating rod 126 is fixedly mounted on the inner wall of the protector housing 101 corresponding to the position of the sixth conducting wire 124, and the sixth conducting wire 124 is movably wound on the surface of the magnetic induction line insulating rod 126.

A guide tube 129 is fixedly installed in the middle of the position, corresponding to the magnetic induction wire insulating rod 126, of the fixing plate 112, a moving rod 130 is movably inserted into the inner wall of the guide tube 129, an iron block 127 is fixedly installed at one end, corresponding to the position of the magnetic induction wire insulating rod 126, of the moving rod 130, a second damping spring 128 is fixedly installed at one end, corresponding to the position of the moving rod 130, of the iron block 127, and the second damping spring 128 is fixedly installed at the bottom of the fixing plate 112.

A driving column 131 is fixedly installed at the top of the moving rod 130, a driving frame 132 is movably connected to the top of the moving rod 130, the surface of the driving column 131 is movably connected to the inner wall of the driving frame 132, a rotating block 133 is fixedly installed at one end of the driving frame 132, which is far away from the moving rod 130, a driving rod 134 is fixedly installed at one end of the rotating block 133, which is far away from the driving frame 132, the driving rod 134 is movably connected between the opposite surfaces of the moving arm 107 and the fixed arm 103, a second hinge seat 135 is hinged to a specific concave surface of the rotating block 133, the second hinge seat 135 is fixedly installed at the top of the fixed plate 112, an insulating layer 136 is fixedly installed on the inner wall of the protector shell 101, when high-voltage current is supplied through a circuit, the heating block 113 is heated, and when the heating block 113 is heated, heat is transferred to the thermistor 123 through the heat conducting block 122, and the resistance of the thermistor 123 is increased, so that, under the action of the second damping spring 128, the second damping spring 128 drives the moving rod 130 to move upwards through the iron block 127, the moving rod 130 drives the rotating block 133 to rotate anticlockwise in cooperation with the driving column 131 and the driving frame 132, and the driving rod 134 drives the movable arm 107 to rotate clockwise around the top of the first hinge base 110, so as to provide power for the rotation of the movable arm 107.

The working principle is as follows: in use, when the device passes high-voltage current, the invention can generate a large amount of heat to the heat-generating block 113, so as to cause the movable arm 107 to rotate along the top of the first hinge base 110 as a rotating shaft, so that the second contact 106 and the first contact 105 are separated from each other, so that current cannot be transmitted to the current-guiding line 114 through the conductive line 102, the first lead 104 and the first contact 105 through the second contact 106, the second lead 108, the third lead 109 and the heat-generating block 113, and when the movable arm 107 rotates along the rotating shaft, the third contact 117 can be contacted with the contact plate 115, so that a current path is formed among the conductive line 102, the first lead 104, the contact plate 115, the third contact 117, the fifth lead 118, the high-resistance resistor 119, the third lead 109, the heat-generating block 113 and the current-guiding line 114, and high voltage in the circuit is weakened through the high-resistance resistor 119, so as to achieve the purpose of protecting the circuit, when the circuit is in a high voltage state, the heating block 113 generates heat and enables the movable arm 107 to rotate rapidly, the first contact 105 and the second contact 106 are separated, the third contact 117 is in contact with the contact plate 115, the flowing path of current is changed, high-voltage current is subjected to voltage reduction treatment through the high-resistance resistor 119, the current circulation in the circuit is maintained, the low-voltage electrical appliance is prevented from being broken down by the high voltage, and therefore the purpose of protecting the low-voltage electrical appliance is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.