Electronic cooling water pump
阅读说明:本技术 一种电子冷却水泵 (Electronic cooling water pump ) 是由 许宁宁 刘培海 曾李红 于 2020-05-20 设计创作,主要内容包括:一种电子冷却水泵,其包括蜗壳部件、定子组件、转子叶轮部件、控制电路板、端盖,所述端盖上设置可拆卸的呼吸膜部件。由于在电子冷却水泵的端盖上设置可拆卸的呼吸膜部件,因此,其可以通过呼吸膜部件进行排气,实现内外部压差平衡,防止内部压力过大对水泵密封结构造成破坏,影响密封效果,导致水泵失效,同时也能起到辅助冷却的作用,使用一段时间透气膜沾上灰尘达到一定程度影响透气性后,可方便快速地对呼吸膜部件进行更换。(An electronic cooling water pump comprises a volute component, a stator component, a rotor impeller component, a control circuit board and an end cover, wherein a detachable breathing membrane component is arranged on the end cover. Because set up detachable breathing membrane part on electronic cooling water pump's end cover, consequently, it can be discharged through breathing membrane part, realizes that inside and outside pressure difference is balanced, prevents that internal pressure from too big causing destruction to water pump seal structure, influences sealed effect, leads to the water pump inefficacy, also can play auxiliary cooling's effect simultaneously, uses after the ventilated membrane is stained with the dust and reaches certain degree influence gas permeability for a period, can conveniently change breathing membrane part fast.)
1. The utility model provides an electron cooling water pump, its includes spiral case part, stator module, rotor impeller part, control circuit board, end cover, its characterized in that: the end cover is provided with a detachable breathing membrane component.
2. The electronic cooling water pump of claim 1, wherein: breathe membrane module and include base, breathing membrane and lid, the base bottom sets up the perforating hole, and the perforating hole bottom communicates with the inside space that the end cover is sealed, the perforating hole upper end and the space intercommunication on base upper portion to by breathing membrane seal, set up the air discharge duct on the circumference of base upper portion, form the airflow channel who breathes membrane and external environment, make electronic cooling water pump seal chamber form airflow channel through breathing membrane, air discharge duct and the external world of breathing membrane module.
3. The electronic cooling water pump of claim 1, wherein: the base bottom sets up the direction conical surface, can conveniently install breathing membrane part in the mounting hole of end cover through the direction conical surface.
4. The electronic cooling water pump of claim 1, wherein: the base is provided with a trapezoidal groove which is matched with and buckled with the trapezoidal protrusion on the end cover.
5. The electronic cooling water pump of claim 1, wherein: the cover is provided with a clamping groove which is matched with the buckle arranged on the base, and the cover is assembled on the base and clamped into the buckle of the base.
6. The electronic cooling water pump of claim 1, wherein: the end cover is provided with a dismounting groove, and the breathing membrane part is replaced by using tools through the dismounting groove.
7. The electronic cooling water pump of claim 1, wherein: the base of the breathing membrane component is made of elastic materials.
Technical Field
The invention relates to an electronic cooling water pump.
Background
The existing electronic cooling water pump generally comprises a shell, a volute component, a motor comprising a stator and a rotor, an impeller, a control circuit board and an end cover, wherein the interior of the shell is divided into two parts, two ends of the shell are respectively sealed with the volute component and the end cover, the control circuit board is arranged in a space sealed by the end cover, the motor and the impeller are arranged in the space sealed by the volute component, the control circuit board is internally provided with a control circuit, and the rotating speed of the motor is adjusted according to the temperature required to be controlled through the control circuit in the control circuit board, so that the flow of the water pump is controlled, and the aim of accurately controlling.
Electronic cooling water pump is at the operation in-process, and the circuit control board that is located the water pump rear end can produce a large amount of heats, can burn out electronic components on the circuit control board when the high temperature, makes the water pump normally work, also can make water pump internal pressure rise simultaneously, and the too big damage of constructing to the sealed knot of water pump that can cause pressure influences sealed effect, causes outside water to get into and arouses the circuit control version short circuit and leads to the water pump inefficacy. To this problem, although current electronic cooling water pump has the adoption and directly sets up the ventilated membrane and solve, but it is after using a period, the ventilated membrane is easily stained with the dust, but because of the characteristics of ventilative membrane material, hardly with the dust clean up on the ventilated membrane, can influence the gas permeability of ventilated membrane, can not reach the effect of balanced electronic cooling water pump internal and external pressure differential, direct influence electronic cooling water pump's exhaust heat dissipation function, can lead to electronic cooling water pump to become invalid when serious, it is very inconvenient to change moreover.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electronic cooling water pump aiming at the prior art, so that a breathing membrane component can be better replaced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an electron cooling water pump, its includes spiral case part, stator module, rotor impeller part, control circuit board, end cover, its characterized in that: the end cover is provided with a detachable breathing membrane component.
Preferably, breathe membrane part and include base, breathing membrane and lid, the base bottom sets up the perforating hole, and the perforating hole bottom communicates with the inside space that the end cover is sealed, the perforating hole upper end and the space intercommunication on base upper portion to by breathing membrane seal, set up the air discharge duct on the circumference of base upper portion, form the airflow channel who breathes membrane and external environment, make electronic cooling water pump seal chamber form airflow channel through breathing membrane, air discharge duct and the external world of breathing membrane part.
Preferably, the base bottom sets up the direction conical surface, can conveniently install breathing membrane part in the mounting hole of end cover through the direction conical surface.
Preferably, the base sets up the dovetail groove, cooperates and mutual buckle with the trapezoidal prominent on the end cover, and when the base inserted the mounting hole of end cover like this, it is difficult for taking off from the end cover to breathe the membrane part.
Preferably, the cover is provided with a clamping groove which is matched with the buckle arranged on the base, and the cover is assembled on the base and clamped into the buckle of the base, so that the cover is reliably fixed on the base.
Preferably, set up the dismantlement groove on the end cover, change breathing membrane part through the use of dismantling groove appurtenance, more conveniently dismantle breathing membrane part like this.
Preferably, the base of the breathing membrane component is made of elastic material, so that the breathing membrane component can be conveniently detached and replaced.
Preferably, a plurality of radiating fins are arranged on the outer side face of the end cover, so that the radiating fins can radiate heat better.
Compared with the prior art, the invention has the advantages that: because set up detachable breathing membrane part on electronic cooling water pump's end cover, consequently, can exhaust through breathing membrane part, realize inside and outside pressure difference balance, prevent that internal pressure is too big from causing destruction to water pump seal structure, influence sealed effect, lead to the water pump inefficacy, also can play auxiliary cooling's effect simultaneously, use a period ventilated membrane to be stained with the dust and reach the certain degree after influencing the gas permeability, can conveniently change breathing membrane part fast.
Drawings
Fig. 1 is a schematic perspective view of an electronic cooling water pump according to an embodiment of the present invention.
FIG. 2 is an exploded view of an electric cooling water pump according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an electronic cooling water pump according to an embodiment of the present invention.
FIG. 4 is a schematic structural view of an electric cooling water pump according to an embodiment of the present invention, with a rotor impeller member and a waterproof cup member removed.
FIG. 5 is a perspective view of a volute component of an electric cooling water pump according to an embodiment of the present invention.
FIG. 6 is a bottom view of the volute component of the electric cooling water pump in accordance with the embodiment of the present invention.
Fig. 7 is a sectional view F-F of fig. 6.
FIG. 8 is a top view of an embodiment of the sound absorbing and vibration damping pad of the present invention.
Fig. 9 is a sectional view a-a of fig. 8.
FIG. 10 is a bottom view of the sound absorbing and vibration damping pad according to the embodiment of the present invention.
FIG. 11 is a schematic view of a rotor wheel assembly according to an embodiment of the present invention.
FIG. 12 is a top view of a rotor wheel assembly according to an embodiment of the present invention.
Figure 13 is a schematic structural view of a waterproof cup component according to an embodiment of the present invention.
Fig. 14 is a sectional view taken along line G-G of fig. 13.
FIG. 15 is a schematic diagram of a circuit control board for an embodiment of the present invention.
Fig. 16 is a perspective view of an end cap according to an embodiment of the present invention.
FIG. 17 is a top view of an end cap according to an embodiment of the present invention.
Fig. 18 is a cross-sectional view C-C of fig. 17.
FIG. 19 is a schematic exploded view of a respiratory membrane component according to an embodiment of the invention.
FIG. 20 is a schematic structural diagram of a respiratory membrane component according to an embodiment of the invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-20, the electric cooling water pump includes a
The
As shown in fig. 3-4, the
The partition 703 is provided with a through hole 7031 in the middle thereof so as to communicate with the rotor accommodating chamber 7081, so that heat and air generated in the rotor accommodating chamber 7081 can be circulated therethrough to the other space 709, and finally, the heat can be discharged through the
A
As shown in fig. 13-14, the water
The waterproof cup 601 is made of stainless steel materials, the bottom of the cup is provided with an anti-rotation flat 6015 for fixing the rotor shaft, one end 6021 of the rotor shaft 602 is fixed in the anti-rotation flat 6015 of the bottom of the cup through interference fit, the other end of the rotor shaft 602 is connected in a hole 2016 of the volute 201, see fig. 4 and 7, and therefore the rotor shaft 602 can be prevented from rotating, the phenomenon that coaxiality and radial jumping precision are affected due to the fact that the rotor shaft 602 and the rotor shaft fixing chamber 6014 are subjected to rotating friction to generate a gap can be avoided, interference between the rotor shaft 602 and the waterproof cup 601 when the
The mouth of the waterproof cup 601 is provided with a radial damping surface 6013, an axial positioning surface 6011 and a radial sealing surface 6012 from inside to outside.
The radial vibration reduction surface 6013 on the rim of the waterproof cup 601 is matched with the hemispherical
The axial positioning surface 6011 on the rim of the waterproof cup 601 is embedded in the concave ring groove 705 on the other end surface of the
The radial sealing surface 6012 on the cup rim of the waterproof cup 601 is placed in the concave ring groove 705 and forms combined sealing with the
The outer circle of the cup body of the waterproof cup 601 is tightly attached to the inner hole of the stator silicon steel sheet 701, heat generated by the winding 702 on the silicon steel sheet 701 can be transmitted to the cooling liquid of the internal circulation through the waterproof cup 601, heat generated by the magnetic ring 404 in the rotor is also transmitted to the cooling liquid, the heat is taken away through the circulating cooling liquid, automatic heat dissipation is achieved, accordingly, the temperature rise of the motor is reduced, and the efficiency and the reliability of the motor are improved.
The thickness of the waterproof cup 601 is 0.3mm or less, so that the total air gap of the motor is reduced, the air gap reluctance loss is reduced, the use of effective materials such as the magnetic ring 404 and the stator silicon steel sheet 701 is reduced, the power density of the motor is improved, the overall cost is reduced, the weight of the whole water pump is reduced, the design requirement of light weight is met, and the effects of energy conservation and emission reduction are achieved.
As shown in fig. 5-7, the
The end face of the volute 201 is provided with an involute accelerating groove 2012 with a gradually-increasing sectional area, the involute accelerating groove 2012 serves as a water flow channel of the
A hole 2016 capable of positioning the rotating shaft 204 is formed in the center of the volute 201, and the hole 2016 is matched with the waterproof cup 601 to position the rotating shaft 204.
The friction gasket 202 is fixed in the fixing hole 2014 of the volute 201 in an interference fit mode, 2 anti-rotation platforms 2021 are arranged on two sides of the friction gasket 202 to form an anti-rotation structure with the anti-rotation grooves 2013 of the volute 201, the
As shown in fig. 8 to 10, a sound-absorbing and vibration-
The sound-absorbing and vibration-
The plurality of hemispherical
The
As shown in fig. 11-12, the
The rotor portion includes a rotor body 402, a graphite sleeve 403, a magnetic ring 404, and a magnetic conductive ring 405.
The magnetic conductive ring 405 is assembled in an inner hole of the magnetic ring 404, is embedded in a mold, forms the rotor body 402 through an injection molding process, and coats a waterproof coating on the outer circle surface of the magnetic ring 404 to prevent the magnetic ring from being corroded and rusted.
The impeller 401 is provided with a plurality of involute blades 4011, a blade positioning column 4012 is arranged at the end of each blade 4011, the blade positioning columns 4012 are inserted into blade positioning holes in the end face of the rotor body 402, and the impeller 401 and the rotor body 402 are welded into a whole through ultrasonic welding.
The graphite shaft sleeves 403 are press-fitted in the mounting holes 4024 in an interference fit manner, the positioning surfaces 4025 are used for axial positioning, cooling liquid is arranged between the two graphite shaft sleeves 403, a suspension effect is formed on the
As shown in fig. 15, the
As shown in fig. 16 to 18, the
The
The plurality of
The inner side surface of the
Two sides of the mounting hole 1002 of the
As shown in fig. 19-20, a
The bottom of the base 1101 is provided with 4 through holes 11011, the bottom end of the through hole 11011 is communicated with the inside of the other sealed space 709, the upper end is communicated with the space above the base 1101 and sealed by the breathing membrane 1102, the upper circumference of the base 1101 is provided with 4 exhaust grooves 11012 to form an airflow channel between the breathing membrane 1102 and the outside, and the sealed chamber of the electronic cooling water pump forms an airflow channel with the outside through the breathing membrane 1102 and the exhaust grooves 11012 of the
The bottom of the base 1101 is provided with a guiding conical surface 11013, and the
The base 1101 is provided with a trapezoidal groove 11014 which is matched with the trapezoidal protrusion 1003 on the
The breathing membrane 1102 is welded to the welding ring 11015 and the welding surface 11016 of the base 1101 by a thermal welding head, and the breathing membrane 1102 is fixed to the base 1101 so as to seal the through hole 11011.
The cover 1103 is provided with a locking groove 11031 which is engaged with a locking protrusion 11017 provided on the base 1101, and the cover 1103 is fitted to the base 1101 and locked into the locking protrusion 11017 of the base 1101, so that the cover 1103 is securely fixed to the base 1101.
Above-mentioned breathing membrane 1102's characteristic is that only allow the air to pass through, not allow water to pass through, control circuit board can produce a large amount of heats in the electronic cooling water pump working process, arouse the temperature rise, can lead to internal pressure to rise after the temperature rise to make inside and external production pressure differential, can exhaust through breathing
The base 1101 is made of an elastic material, so that the base can deform to some extent during disassembly, thereby facilitating disassembly.
After the breathing membrane 1102 is used for a long time, although the cover 1103 can play a certain dustproof protection role, certain dust can be accumulated in the air intake and exhaust process, due to the material characteristics of the breathing membrane 1102, the dust is difficult to clean up through a manual cleaning method, the air intake and exhaust effects of the breathing membrane 1102 are affected, the cover 1103 can be conveniently taken off by using tools, the base 1101 is taken out from the mounting hole 1002 of the
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