CN201142570Y

CN201142570Y - Motor protector

Info

Publication number: CN201142570Y
Application number: CNU2007201917278U
Authority: CN
Inventors: 蔡甫寒; 周挺巧; 介国安
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-09
Filing date: 2007-11-09
Publication date: 2008-10-29
Anticipated expiration: 2017-11-09

Abstract

The utility model relates to a motor protective device, in particular to a motor protector with simple structure and convenient assembly and disassembly. The motor protector is characterized in that based on the structure of a prior motor protector, the motor protector comprises a casing, a transformer (208), and an electronic module board, wherein the casing is divided into a casing (1) and a casing (4), which are buckled with each other to form a cabinet, and the electronic module board is installed in the inner cavity of the cabinet; and the electronic module board is composed of a primary electronic module board (2) and a secondary electronic module board (3) which is installed on the primary electronic module board (2). The motor protector provided by the utility model has the advantages of simple and reasonable overall structure, small volume, low cost, and convenient assembly and disassembly.

Description

Motor protector

Technical field

The utility model relates to motor protection equipment, particularly motor protector.

Background technology

Motor protector in the past, its structure more complicated is made integral type as housing, brings processing to go up many difficulties, thereby increases cost.

The utility model content

The purpose of this utility model is at above-mentioned defective, and a kind of motor protector of novelty is provided.

The technical solution of the utility model is a motor protector, comprise housing, current transformer (208) and electric sub-member plate, it is characterized in that said housing is divided into housing (1) and housing (4) and both buckles and connects into box-likely, in its inner chamber electric sub-member plate is installed; Said electric sub-member plate is divided into main electric sub-member plate (2) and secondary electric sub-member plate (3), and secondary electric sub-member plate (3) is installed on the main electric sub-member plate (2).

Said housing (1) is provided with main electric sub-member plate alignment pin (105) and main electric sub-member plate fixing screw hole (106), the upper end is provided with terminal block chute (104), the interior both sides of housing (1) are provided with shell button (101), and correspondingly housing (4) is provided with shell button window (401) formation buckle annexation; Said current transformer (208) is installed on the transducer bracket (207) of main electric sub-member plate (2); Transducer bracket (207) is installed on the main electric sub-member plate (2) and alignment pin (1) location is arranged, the lead (203) of drawing of current transformer (208) is connected with terminal block (202), terminal block (211) is installed on the transducer bracket (207), terminal block (211) cooperates with terminal block chute (103) and terminal block chute (402) activity respectively with terminal block (202), and terminal block (212) cooperates with terminal block chute (104) is movable.

The utility model has the advantages that since housing in two and buckle connect, fastening without screw, make and install and unload all easily, reduce cost simultaneously; Components and parts with electric sub-member plate are used as control device, reduce the cost of motor protector widely.

Description of drawings

Fig. 1 is a three-dimensional structure diagram of the present utility model.

Fig. 2 is a split structure chart of the present utility model.

Embodiment

Further specify embodiment below in conjunction with accompanying drawing.

Referring to Fig. 1, Fig. 2,1-housing, 101-shell button, 102-guide-track groove, 103-terminal block chute, 104-terminal block chute, 105-master's electronic building brick alignment pin, 106-master's electric sub-member plate fixing screw hole, 107-guide rail card, 108-card rail spring, 109-Wiring port guard shield, 110-tension disc, 111-terminal screw, 112-tension disc, 113-terminal screw, 114-Wiring port guard shield; The secondary electric sub-member plate of boss's 2-component palette, 3-, 201-transducer bracket alignment pin, 202-terminal block, 203-draw lead, 204-hold-down screw, 205-master's electric sub-member plate screw hole, 206-master's electric sub-member plate and decide pulling eye, 207-transducer bracket, 208-current transformer, 209-primary winding, 210-reset button, 211-terminal block, 212-terminal block, 213-status indicator lamp; 4-housing, 401-shell button window, 402-terminal block chute, 403-potentiometer handle, 404-knob hole, 405-setting current knob, 406-Wiring port guard shield, 407-tension disc, 408-terminal screw.

As shown, Fig. 1 shows global shape, and it is that buckle is connected with housing 4 and both that housing is divided into two partial shell 1, loads and unloads very convenient.Current transformer and electric sub-member plate are installed in the cavity between the two housings, and control circuit is installed on the electric sub-member plate.

Fig. 2 is the exploded perspective view of motor protector.Know from figure and find out that innovative point of the present utility model is that housing 1 is provided with shell button 101, and shell button window 401 is set on housing 4, both buckles connect into as a whole when combination.For this reason, main electric sub-member plate alignment pin 105 and main electric sub-member plate fixing screw hole 106 are set also on housing 1, main electric sub-member plate 2 is fixed on it; At housing 1 internal cavity current transformer 208 assemblies are installed partly, terminal block chute 103 is set on housing 1 for this reason, the end that goes out of chute 103 is installed Wiring port guard shield 109, and it goes up installation tension disc 110 guard shield 109; Upper end on the housing 1 is provided with 6 property sheet tension discs 112, and terminal screw 113 is installed on it, and Wiring port guard shield 114 is set on the screw 113; The bottom of housing 1 is a guide-track groove 102, and guide rail card 107 and guide rail spring 108 are set.

Current transformer 208 is installed on the transducer bracket 207,103 movable cooperations of terminal block chute also being equipped with on the transducer bracket 207 on terminal block 211 and the housing 1, between terminal block 211 and the main electric sub-member plate 2 bakelite is installed; Transducer bracket 207 is installed on the main electric sub-member plate 2, therefore on main electric sub-member plate 2, transducer bracket alignment pin 201 is set, terminal block 212 is fixedly mounted on the main electric sub-member plate 2, at main electric sub-member plate 208 secondary electric sub-member plate 3 is installed also, supporting installation and control circuit element on it, be wound with primary winding 209 and secondary coil on the current transformer 208, draw lead 203 and be connected on the terminal block 202, will be connected with three phase mains; Main electric sub-member plate 2 is in order to be installed on the housing 1, and it is provided with main electric sub-member plate location hole 206 and screw hole 205 and hold-down screw 204.

Housing 4 correspondingly is provided with control panel, setting current knob 405 is installed on it, be clasped with potentiometer handle 403 activities in the knob hole 404,402 movable cooperations of terminal block chute on terminal block 202 on the main electric sub-member plate 2 and the housing 4, tension disc 407 is installed on the terminal block 402, terminal screw 408 is installed again on the tension disc 407, Wiring port guard shield 406 is installed on it again, housing 4 is connected correspondingly configuration shell button window 401 on housing 4 with the buckle of housing 1.The overall structure advantages of simple is exquisite again, and volume is little, and cost is low, and is easy to loading and unloading.

Claims

1, motor protector comprises housing, current transformer (208) and electric sub-member plate, it is characterized in that said housing is divided into housing (1) and housing (4) and both buckles and connects into box-likely, in its inner chamber electric sub-member plate is installed; Said electronic building brick is divided into main electric sub-member plate (2) and secondary electric sub-member plate (3), and secondary electric sub-member plate (3) is installed on the main electric sub-member plate (2).

2, according to the said motor protector of claim 1, it is characterized in that said housing (1) is provided with main electric sub-member plate alignment pin (105) and main electric sub-member plate fixing screw hole (106), the upper end is provided with wiring board slot (104), the interior both sides of housing (1) are provided with shell button (101), and correspondingly housing (4) is provided with shell button window (401) formation buckle annexation; Said current transformer (208) is installed on the transducer bracket (207) of main electric sub-member plate (2); Transducer bracket (207) is installed on the main electric sub-member plate (2) and alignment pin (1) location is arranged, drawing lead (203) is connected with terminal block (202), terminal block (211) is installed on the transducer bracket (207), terminal block (211) cooperates with terminal block chute (103) and terminal block chute (402) activity respectively with terminal block (202), and terminal block (212) cooperates with terminal block chute (104) is movable.