CN208508652U - A kind of micromotor that anti-overflow is burnt - Google Patents

Abstract

The utility model discloses a kind of micromotors that anti-overflow is burnt, including micromotor ontology, end cap, bearing cap, shaft, rotor, stator, thermometric slot, first heat conducting bar, second heat conducting bar, second insulative head, first insulative head, fan, first overcurrent protective device, terminal box, back seat, power supply line, second overcurrent protective device, bolt, 4th electrode plate, third electrode plate, 2nd PTC fever tablet, second electrode plate, first electrode plate, first PTC fever tablet and contact, one end of micromotor ontology is equipped with end cap, the middle part of end cap is equipped with bearing cap, the middle part of bearing cap is equipped with shaft, one end of shaft is equipped with bearing, the micromotor can disconnect power supply when motor temperature is excessively high, to protect motor not to be burned out, and when electric current is excessive, it can be increased by PTC fever tablet Big resistance protects motor, improves the service life of motor, motor can be worked normally for save the cost.

Description

A kind of micromotor that anti-overflow is burnt

Technical field

The utility model relates to micromotor, specially a kind of micromotor that anti-overflow is burnt.

Background technique

Micromotor is that volume, capacity are smaller, output power generally hundreds of watts of motors below and purposes, performance and Environmental condition requires special motor.The miniature specific type of electric machine of full name, abbreviation micro machine.It is usually used in control system, realizes electromechanical The functions such as detection, resolving, amplification, execution or the conversion of signal or energy, or loaded for gearing, it also can be used as equipment AC and DC power supply.Application range: food machinery, textile machine, medical instrument, intelligent door and window, monitor holder, advertising lamp box, All small-power perseverance revolving speed high-torque equipment such as household electrical appliance, air conditioner wind page, actuator control.But existing micro electric Machine often will appear the excessive phenomenon of electric current, motor caused to burn when powering on, and motor is in the process of work In, it will also result in the phenomenon that burning because temperature is excessively high, cause huge loss.

So how to design a kind of micromotor that anti-overflow is burnt, becoming us will currently be solved the problems, such as.

Utility model content

The purpose of this utility model is in view of the drawbacks of the prior art, to provide a kind of micromotor that anti-overflow is burnt, with Solve the problems, such as that above-mentioned background technique proposes.

To achieve the above object, the utility model provides the following technical solutions: a kind of micromotor that anti-overflow is burnt, packet Include micromotor ontology, end cap, bearing cap, shaft, rotor, stator, thermometric slot, the first heat conducting bar, the second heat conducting bar, second absolutely Edge head, the first insulative head, fan, the first overcurrent protective device, terminal box, back seat, power supply line, the second overcurrent protective device, spiral shell Bolt, the 4th electrode plate, third electrode plate, the 2nd PTC fever tablet, second electrode plate, first electrode plate, the first PTC fever tablet and Contact, one end of the micromotor ontology are equipped with the end cap, and the middle part of the end cap is equipped with the bearing cap, the bearing The middle part of lid is equipped with the shaft, and one end of the shaft is equipped with the bearing, and one end of the bearing is equipped with the rotor, institute The outside for stating rotor is equipped with the stator, and one end of the rotor is equipped with the fan, the top of the micromotor ontology and Bottom end is equipped with the thermometric slot, and the top of the micromotor ontology is equipped with first heat conducting bar, first heat conducting bar One end be equipped with first insulative head, the side of first insulative head is equipped with first overcurrent protective device, described micro- The bottom end of type motor body is equipped with second heat conducting bar, and one end of second heat conducting bar is equipped with second insulative head, institute The side for stating the second insulative head is equipped with second overcurrent protective device, and the other end of the micromotor ontology is equipped with described connect Wire box, the side of the terminal box are equipped with the back seat, and the terminal box is equipped with the power supply line, first overcurrent protection The top of device is equipped with the first electrode plate, and the bottom end of first overcurrent protective device is equipped with the second electrode plate, institute The middle part for stating the first overcurrent protective device is equipped with the first PTC fever tablet, and the top of second overcurrent protective device is equipped with The bottom end of the third electrode plate, second overcurrent protective device is equipped with the 4th electrode plate, second overcurrent protection The middle part of device is equipped with the 2nd PTC fever tablet.

As a kind of optimal technical scheme of the utility model, the first electrode plate, the second electrode plate, described The contact is equipped on the middle part of three electrode plates and the 4th electrode plate.

As a kind of optimal technical scheme of the utility model, the stator is bolted on the micromotor sheet The inside of body, the rotor are fixed on the end cap by bearing, the end cap and the back seat with the micromotor Ontology is screwed connected.

As a kind of optimal technical scheme of the utility model, four corners of the back seat are equipped with the bolt, First heat conducting bar and second heat conducting bar are separately fixed at the survey on the top and bottom end of the micromotor ontology In warm slot, first heat conducting bar and second heat conducting bar are made of aluminium.

As a kind of optimal technical scheme of the utility model, first heat conducting bar and first insulative head pass through spiral shell Line is connected, and second heat conducting bar is connected with second insulative head by screw thread, and first insulative head and described second is absolutely Edge head is all made of temperature-sensitive insulating rubber material and is made.

As a kind of optimal technical scheme of the utility model, the power supply line respectively with the third electrode plate with it is described First PTC fever tablet and the second electrode plate and the 2nd PTC fever tablet are electrically connected；The first electrode plate and described 4th electrode plate is electrically connected with the terminal box.

Beneficial effect is: the micromotor that this kind of anti-overflow is burnt, which can be when motor temperature be excessively high Waiting disconnection power supply can be increased to protect motor not to be burned out, and when electric current is excessive by PTC fever tablet Resistance protects motor, improves the service life of motor, motor can be worked normally for save the cost.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the partial structural diagram of the utility model；

In figure: 1, micromotor ontology；2, end cap；3, bearing cap；4, shaft；5, rotor；6, stator；7, thermometric slot；8, First heat conducting bar；9, the second heat conducting bar；10, the second insulative head；11, the first insulative head；12, fan；13, the first overcurrent protection fills It sets；14, terminal box；15, back seat；16, power supply line；17, the first overcurrent protective device；18, bolt；19, the 4th electrode plate；20, Third electrode plate；21, the 2nd PTC fever tablet；22, second electrode plate；23, first electrode plate；24, the first PTC fever tablet；25, Contact.

Specific embodiment

The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be understood by those skilled in the art with feature, to make apparent specific boundary to the protection scope of the utility model It is fixed.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of micromotor that anti-overflow is burnt, including Micromotor ontology 1, end cap 2, bearing cap 3, shaft 4, rotor 5, stator 6, thermometric slot 7, the first heat conducting bar 8, the second heat conducting bar 9, the second insulative head 10, the first insulative head 11, fan 12, the first overcurrent protective device 13, terminal box 14, back seat 15, power supply line 16, the second overcurrent protective device 17, bolt 18, the 4th electrode plate 19, third electrode plate 20, the 2nd the 21, second electricity of PTC fever tablet One end of pole plate 22, first electrode plate 23, the first PTC fever tablet 24 and contact 25, micromotor ontology 1 is equipped with end cap 2, end cap 2 middle part is equipped with bearing cap 3, and the middle part of bearing cap 3 is equipped with shaft 4, and one end of shaft 4 is equipped with bearing, and one end of bearing is equipped with Rotor 5, the outside of rotor 5 are equipped with stator 6, and one end of rotor 5 is equipped with fan 12, and the top and bottom end of micromotor ontology 1 are equal Equipped with thermometric slot 7, the top of micromotor ontology 1 is equipped with the first heat conducting bar 8, and one end of the first heat conducting bar 8 is equipped with the first insulation First 11, the side of the first insulative head 11 is equipped with the first overcurrent protective device 13, and it is thermally conductive that the bottom end of micromotor ontology 1 is equipped with second Bar 9, one end of the second heat conducting bar 9 are equipped with the second insulative head 10, and the side of the second insulative head 10 is equipped with the second overcurrent protective device 17, the other end of micromotor ontology 1 is equipped with terminal box 14, and the side of terminal box 14 is equipped with back seat 15, and terminal box 14 is equipped with The top of power supply line 16, the first overcurrent protective device 13 is equipped with first electrode plate 23, and the bottom end of the first overcurrent protective device 13 is set There is second electrode plate 22, the middle part of the first overcurrent protective device 13 is equipped with the first PTC fever tablet 24, the second overcurrent protective device 17 Top be equipped with third electrode plate 20, the bottom end of the second overcurrent protective device 17 is equipped with the 4th electrode plate 19, the second overcurrent protection The middle part of device 17 is equipped with the 2nd PTC fever tablet 21.

First electrode plate 23, second electrode plate 22, third electrode plate 20 and the 4th electrode plate 19 middle part on be equipped with touching Point 25.

Stator 6 is bolted on the inside of micromotor ontology 1, and rotor 5 is fixed on end cap 2 by bearing, end Lid 2 and back seat 15, which are screwed with micromotor ontology 1, to be connected.

Four corners of back seat 15 are equipped with bolt 18, and the first heat conducting bar 8 and the second heat conducting bar 9 are separately fixed at miniature In the top of motor body 1 and the thermometric slot 7 of bottom end, the first heat conducting bar 8 and the second heat conducting bar 9 are made of aluminium.

First heat conducting bar 8 is connected with the first insulative head 11 by screw thread, and the second heat conducting bar 9 and the second insulative head 10 pass through spiral shell Line is connected, and the first insulative head 11 and the second insulative head 10 are all made of temperature-sensitive insulating rubber material and are made.

Power supply line 16 is sent out with third electrode plate 20 and the first PTC fever tablet 24 and second electrode plate 22 and the 2nd PTC respectively Backing 21 is electrically connected；First electrode plate 23 and the 4th electrode plate 19 are electrically connected with terminal box 14.

Working principle: a kind of micromotor that anti-overflow is burnt, including micromotor ontology 1, end cap 2, bearing cap 3, turn Axis 4, rotor 5, stator 6, thermometric slot 7, the first heat conducting bar 8, the second heat conducting bar 9, the second insulative head 10, the first insulative head 11, wind Fan the 12, first overcurrent protective device 13, terminal box 14, back seat 15, power supply line 16, the second overcurrent protective device 17, bolt 18, the Four electrode plates 19, third electrode plate 20, the 2nd PTC fever tablet 21, second electrode plate 22, first electrode plate 23, the first PTC fever Heat when the micromotor ontology 1 works, is transmitted by the first heat conducting bar 8 and the second heat conducting bar 9 in piece 24 and contact 25, When heat reaches certain value, the first insulative head 11 and the second insulative head 10 can expand, to allow second electrode plate 22, Contact 25 on one electrode plate 23 separates, and allows the 4th electrode plate 19, the contact 25 on third electrode plate 20 to separate, to disconnect electricity Source, protection motor will not be burned out, and when current is excessive, electric current passes through the first PTC fever tablet 24 and the 2nd PTC fever tablet 21, The first PTC fever tablet 24 and 21 expanded by heating of the 2nd PTC fever tablet are allowed, to block second electrode plate 22, first electrode plate 23 On contact 25 be closed, the contact 25 on the 4th electrode plate 19, third electrode plate 20, protection motor will not be burnt by excessive electric current It ruins.

Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality With novel protection scope.

Claims (6)

1. a kind of micromotor that anti-overflow is burnt, including micromotor ontology (1), end cap (2), bearing cap (3), shaft (4), Rotor (5), stator (6), thermometric slot (7), the first heat conducting bar (8), the second heat conducting bar (9), the second insulative head (10), the first insulation Head (11), fan (12), the first overcurrent protective device (13), terminal box (14), back seat (15), power supply line (16), the second overcurrent Protective device (17), bolt (18), the 4th electrode plate (19), third electrode plate (20), the 2nd PTC fever tablet (21), the second electricity Pole plate (22), first electrode plate (23), the first PTC fever tablet (24) and contact (25), it is characterised in that: the micromotor sheet One end of body (1) is equipped with the end cap (2), and the middle part of the end cap (2) is equipped with the bearing cap (3), the bearing cap (3) Middle part is equipped with the shaft (4), and one end of the shaft (4) is equipped with the bearing, and one end of the bearing is equipped with the rotor (5), the outside of the rotor (5) is equipped with the stator (6), and one end of the rotor (5) is equipped with the fan (12), described micro- The top and bottom end of type motor body (1) are equipped with the thermometric slot (7), and the top of the micromotor ontology (1) is equipped with institute It states the first heat conducting bar (8), one end of first heat conducting bar (8) is equipped with first insulative head (11), first insulative head (11) side is equipped with first overcurrent protective device (13), and the bottom end of the micromotor ontology (1) is equipped with described second One end of heat conducting bar (9), second heat conducting bar (9) is equipped with second insulative head (10), second insulative head (10) Side is equipped with second overcurrent protective device (17), and the other end of the micromotor ontology (1) is equipped with the terminal box (14), the side of the terminal box (14) is equipped with the back seat (15), and the terminal box (14) is equipped with the power supply line (16), The top of first overcurrent protective device (13) is equipped with the first electrode plate (23), first overcurrent protective device (13) Bottom end be equipped with the second electrode plate (22), the middle part of first overcurrent protective device (13) is equipped with the first PTC hair Backing (24), the top of second overcurrent protective device (17) are equipped with the third electrode plate (20), and second overcurrent is protected The bottom end of protection unit (17) is equipped with the 4th electrode plate (19), and the middle part of second overcurrent protective device (17) is equipped with described 2nd PTC fever tablet (21).

2. the micromotor that a kind of anti-overflow according to claim 1 is burnt, it is characterised in that: the first electrode plate (23), it is equipped on the middle part of the second electrode plate (22), the third electrode plate (20) and the 4th electrode plate (19) The contact (25).

3. the micromotor that a kind of anti-overflow according to claim 1 is burnt, it is characterised in that: the stator (6) passes through Bolt is fixed on the inside of the micromotor ontology (1), and the rotor (5) is fixed on the end cap (2) by bearing, institute It states end cap (2) and the back seat (15) and is screwed with the micromotor ontology (1) and is connected.

4. the micromotor that a kind of anti-overflow according to claim 1 is burnt, it is characterised in that: the four of the back seat (15) A corner is equipped with the bolt (18), and first heat conducting bar (8) and second heat conducting bar (9) are separately fixed at described In the thermometric slot (7) of the top of micromotor ontology (1) and bottom end, first heat conducting bar (8) and described second thermally conductive Bar (9) is made of aluminium.

5. the micromotor that a kind of anti-overflow according to claim 1 is burnt, it is characterised in that: first heat conducting bar (8) it is connected with first insulative head (11) by screw thread, second heat conducting bar (9) passes through with second insulative head (10) Screw thread is connected, and first insulative head (11) and second insulative head (10) are all made of temperature-sensitive insulating rubber material and are made.

6. the micromotor that a kind of anti-overflow according to claim 1 is burnt, it is characterised in that: the power supply line (16) point Not with the third electrode plate (20) and the first PTC fever tablet (24) and the second electrode plate (22) and described second PTC fever tablet (21) is electrically connected；The first electrode plate (23) and the 4th electrode plate (19) with the terminal box (14) it is electrically connected.