CN210040088U

CN210040088U - Plastic casing type circuit breaker

Info

Publication number: CN210040088U
Application number: CN201920879165.9U
Authority: CN
Inventors: 陈威衡
Original assignee: Jiaqu Group Co Ltd
Current assignee: Jiaqu Group Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-02-07
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a plastic casing formula circuit breaker, including damping device, SHMM1E-800/3300 circuit breaker main part, plastic casing, heat abstractor and mounting panel, the both ends at top and the both ends fixed mounting of interior bottom have damping device in the plastic casing, fixed mounting has SHMM1E-800/3300 circuit breaker main part between the damping device, the central point department fixed mounting at top has heat abstractor in the plastic casing, plastic casing top and bottom fixed mounting have the mounting panel. The utility model discloses damping device has been set up, in the environment of external vibrations, spring among the damping device carries out effectual buffering to external vibrations, avoid vibrations to influence the normal work of SHMM1E-800/3300 circuit breaker main part, this plastic casing formula circuit breaker has set up the plastic casing, SHMM1E-800/3300 circuit breaker main part is installed in the inside of plastic casing, the plastic casing can play fine insulating effect, avoid SHMM1E-800/3300 circuit breaker main part to appear electric leakage people and touch and appear the electric shock accident.

Description

Plastic casing type circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a plastic casing formula circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and breaking a current under a normal circuit condition and closing, carrying and breaking a current under an abnormal circuit condition within a predetermined time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range thereof, and the division of the high-voltage and low-voltage boundary lines is relatively fuzzy, and generally called a high-voltage electric appliance with a voltage of 3kV or more.

The existing circuit breaker has the following defects: 1. during the use process, the breaker is easy to break down due to overheating inside the breaker; 2. when the circuit breaker is installed on some equipment, the normal work of the circuit breaker is easily influenced by external vibration; 3. the current circuit breaker is easy to generate the condition of electric leakage in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic casing formula circuit breaker to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastic casing formula circuit breaker, includes damping device, SHMM1E-800/3300 circuit breaker main part, plastic casing, heat abstractor and mounting panel, the both ends at top and the both ends fixed mounting of interior bottom have damping device in the plastic casing, fixed mounting has SHMM1E-800/3300 circuit breaker main part between the damping device, the central point department fixed mounting at top has heat abstractor in the plastic casing, plastic casing top and bottom fixed mounting have the mounting panel.

Preferably, two groups of equidistant 68ktyz motors are fixedly mounted inside the heat dissipation device, the 68ktyz motors are electrically connected with the SHMM1E-800/3300 breaker main body through conducting wires, and the output ends of the 68ktyz motors are fixedly provided with fan blades through rotating shafts.

Preferably, the damping device comprises a first limiting rod, a spring and a second limiting rod, the second limiting rod is inserted into the first limiting rod, and the spring is sleeved on the outer sides of the first limiting rod and the second limiting rod.

Preferably, the central point department at the positive top of SHMM1E-800/3300 circuit breaker main part is equipped with the plug-in strip, the position department that the positive close to the plug-in strip of SHMM1E-800/3300 circuit breaker main part is equipped with the detection button, the central point department of the positive bottom of SHMM1E-800/3300 circuit breaker main part inlays and installs the display screen, the bottom fixed mounting of SHMM1E-800/3300 circuit breaker main part has two sets of connectors.

Preferably, the central point department at the positive top of plastic casing is equipped with the rectangle through-hole, the positive position department that is close to the rectangle through-hole of plastic casing is equipped with circular through-hole, the central point department of the positive bottom of plastic casing inlays and installs the glass window, the both sides of plastic casing are equipped with the thermovent, the bottom of plastic casing one side is equipped with the wire through-hole.

Preferably, the front of mounting panel is equipped with the recess of three equidistance of group, and the inside fixed mounting of recess has the construction bolt.

Compared with the prior art, the beneficial effects of the utility model are that: this plastic case formula circuit breaker has set up heat abstractor, the inside 68ktyz motor of heat abstractor drives the flabellum and rotates, can have the circulation rate that accelerates the inside air of plastic case, the outside is gived off to from the thermovent to outside that its inside heat is quick, avoid the inside overheated condition that appears of plastic case, this plastic case formula circuit breaker has set up damping device, in the environment of external vibrations, spring among the damping device carries out effectual buffering to external vibrations, avoid vibrations to influence the normal work of SHMM1E-800/3300 circuit breaker main part, this plastic case formula circuit breaker has set up the plastic casing, the inside at the plastic casing is installed to SHMM1E-800/3300 circuit breaker main part, the plastic casing can play fine insulating effect, avoid SHMM1E-800/3300 circuit breaker main part to appear that electric leakage people touch and appear the electric shock accident.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural view of the heat dissipating device of the present invention;

FIG. 3 is a structural view of the damping device of the present invention;

fig. 4 is a structure diagram of the main body of the SHMM1E-800/3300 circuit breaker of the present invention;

FIG. 5 is a view showing the structure of the plastic case of the present invention;

fig. 6 is a mounting plate structure view of the present invention.

In the figure: 1. a damping device; 101. a first limit rod; 102. a spring; 103. a second limiting rod; 2. SHMM1E-800/3300 breaker body; 201. a knife switch; 202. a detection button; 203. a display screen; 204. a connector; 3. a plastic shell; 301. a circular through hole; 302. a rectangular through hole; 303. a glass window; 304. a wire through hole; 305. a heat dissipation port; 4. a heat sink; 401. a fan blade; 402. a 68ktyz motor; 5. mounting a plate; 501. a groove; 502. and (6) installing a bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a plastic casing type circuit breaker comprises a damping device 1, SHMM1E-800/3300 circuit breaker main body 2, a plastic casing 3, a heat dissipation device 4 and a mounting plate 5, the damping device 1 is welded at two ends of the top and two ends of the inner bottom of the plastic casing 3, the damping device 1 can effectively buffer the external vibration, the vibration is prevented from influencing the normal work of the SHMM1E-800/3300 circuit breaker main body 2, the plastic casing 3 can play an insulating protection role for the SHMM1E-800/3300 circuit breaker main body 2, the SHMM1E-800/3300 circuit breaker main body 2 is fixedly installed between the damping device 1, the SHMM1E-800/3300 circuit breaker main body 2 protects a circuit, the heat dissipation device 4 is welded at the central position of the inner top of the plastic casing 3, the circulation rate of the air flow inside the plastic casing 3 can be accelerated by the heat dissipation device 4, thereby accelerating the heat dissipation, mounting plates 5 are welded at the top and the bottom of the plastic shell 3, and the plastic shell 3 is fixedly mounted on external equipment through the mounting plates 5.

Further, two groups of equidistant 68ktyz motors 402 are fixedly mounted inside the heat dissipation device 4 through bolts, the 68ktyz motors 402 are electrically connected with the SHMM1E-800/3300 breaker main body 2 through conducting wires, the output ends of the 68ktyz motors 402 are fixedly mounted with fan blades 401 through rotating shafts, and the 68ktyz motors 402 drive the fan blades 401 to rotate, so that the heat dissipation inside the plastic shell 3 is accelerated.

Further, damping device 1 includes first gag lever post 101, spring 102 and second gag lever post 103, and the inside of first gag lever post 101 has inserted second gag lever post 103, and the outside cover of first gag lever post 101 and second gag lever post 103 has spring 102, and spring 102 carries out effectual buffering to vibrations, and second gag lever post 103 slides in first gag lever post 101 along with the flexible of spring 102, can effectually prevent that spring 102 from appearing the skew at flexible in-process.

Further, a knife 201 is arranged at the center of the top of the front surface of the SHMM1E-800/3300 breaker main body 2, when the current is overloaded, the knife 201 is automatically closed, when the current is normal, the switch blade 201 can be manually pulled to be in an open state for electrifying, the detection button 202 is arranged at the position of the front surface of the SHMM1E-800/3300 breaker main body 2 close to the switch blade 201, the switch blade 201 automatically jumps to a closed state by pressing the detection button 202, therefore, whether the knife switch 201 can work normally or not is detected, a display screen 203 is mounted at the central position of the bottom of the front face of the SHMM1E-800/3300 breaker main body 2 in an embedded mode, the display screen 203 can display some information such as power consumption, two groups of connectors 204 are welded at the bottom of the SHMM1E-800/3300 breaker main body 2, and the SHMM1E-800/3300 breaker main body 2 is connected with an external lead through the connectors 204.

Further, the central position department at the positive top of plastic casing 3 is equipped with rectangle through-hole 302, rectangle through-hole 302 is convenient for knife switch 201 can extend to the plastic casing 3 outside, the position department that plastic casing 3 openly is close to rectangle through-hole 302 is equipped with circular through-hole 301, circular through-hole 301 is convenient for detect button 202 and extends to the outside of plastic casing 3, the central position department of the positive bottom of plastic casing 3 inlays and installs glass window 303, glass window 303 is convenient for people to observe the numerical value on the display screen 203, the both sides of plastic casing 3 are equipped with thermovent 305, thermovent 305 is convenient for the inside heat of plastic casing 3 to distribute, the bottom of plastic casing 3 one side is equipped with wire through-hole 304, wire through-hole 304 is convenient for the wire to be connected with SHMM1E-800/3300 circuit breaker main part 2.

Further, the front of mounting panel 5 is equipped with three equidistant recesses 501 of group, and the inside of recess 501 has mounting bolt 502 through helicitic texture fixed mounting, and mounting panel 5 passes through mounting bolt 502 fixed mounting on external equipment.

The working principle is as follows: when the circuit breaker is used, a lead is connected to the connector 204 and extends to the outside from the lead through hole 304 to be communicated with a power supply, then the 68ktyz motor 402 drives the fan blade 401 to rotate, so that the dissipation of heat inside the plastic shell 3 is accelerated, after the SHMM1E-800/3300 breaker main body 2 is communicated with the power supply, when the power supply is overloaded, the switch 201 automatically jumps to a closed state, a circuit is disconnected, when current is normal, the switch 201 can be manually pulled to an open state to be electrified, and when the circuit breaker is used for a period of time, the detection button 202 is pressed, the switch 201 automatically jumps to a closed state, so that whether the switch 201 can normally work or not is detected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A plastic case type circuit breaker, comprising a shock absorbing device (1), a SHMM1E-800/3300 circuit breaker main body (2), a plastic case (3), a heat dissipating device (4) and a mounting plate (5), characterized in that: the both ends at top and the both ends fixed mounting of interior bottom have damping device (1) in plastic casing (3), fixed mounting has SHMM1E-800/3300 circuit breaker main part (2) between damping device (1), the central point department fixed mounting at top has heat abstractor (4) in plastic casing (3), plastic casing (3) top and bottom fixed mounting have mounting panel (5).

2. The plastic case type circuit breaker according to claim 1, wherein: two groups of equidistant 68ktyz motors (402) are fixedly mounted inside the heat dissipation device (4), the 68ktyz motors (402) are electrically connected with the SHMM1E-800/3300 breaker main body (2) through conducting wires, and fan blades (401) are fixedly mounted at the output ends of the 68ktyz motors (402) through rotating shafts.

3. The plastic case type circuit breaker according to claim 1, wherein: the damping device (1) comprises a first limiting rod (101), a spring (102) and a second limiting rod (103), the second limiting rod (103) is inserted into the first limiting rod (101), and the spring (102) is sleeved on the outer sides of the first limiting rod (101) and the second limiting rod (103).

4. The plastic case type circuit breaker according to claim 1, wherein: the central point department of SHMM1E-800/3300 circuit breaker main part (2) positive top is equipped with plug-in strip (201), the position department that SHMM1E-800/3300 circuit breaker main part (2) openly is close to plug-in strip (201) is equipped with detection button (202), the central point department of SHMM1E-800/3300 circuit breaker main part (2) positive bottom inlays and installs display screen (203), the bottom fixed mounting of SHMM1E-800/3300 circuit breaker main part (2) has two sets of connectors (204).

5. The plastic case type circuit breaker according to claim 1, wherein: the central point department at the positive top of plastic housing (3) is equipped with rectangle through-hole (302), the position department that plastic housing (3) openly is close to rectangle through-hole (302) is equipped with circular through-hole (301), the central point department of the positive bottom of plastic housing (3) inlays and installs glass window (303), the both sides of plastic housing (3) are equipped with thermovent (305), the bottom of plastic housing (3) one side is equipped with wire through-hole (304).

6. The plastic case type circuit breaker according to claim 1, wherein: the front of mounting panel (5) is equipped with three equidistant recesses (501) of group, and the inside fixed mounting of recess (501) has construction bolt (502).