CN107105590A - A kind of sensor sealing shroud and vavuum pump integral controller and encapsulating method - Google Patents
A kind of sensor sealing shroud and vavuum pump integral controller and encapsulating method Download PDFInfo
- Publication number
- CN107105590A CN107105590A CN201710453049.6A CN201710453049A CN107105590A CN 107105590 A CN107105590 A CN 107105590A CN 201710453049 A CN201710453049 A CN 201710453049A CN 107105590 A CN107105590 A CN 107105590A
- Authority
- CN
- China
- Prior art keywords
- housing
- circuit board
- hole
- vavuum pump
- sealing shroud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/064—Hermetically-sealed casings sealed by potting, e.g. waterproof resin poured in a rigid casing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention provides a kind of sensor sealing shroud and vavuum pump integral controller and encapsulating method, including housing, circuit board and sensor sealing shroud, housing is divided into housing upper strata and housing lower floor by the circuit board, sensor boot clamp is located between circuit board and housing bottom surface, fill orifice is provided with circuit board and gushes out hole, the perfusion of fluid sealant is carried out to lower housing portion point by fill orifice, fluid sealant is emerged from hole is gushed out after housing lower floor is filled, continue to irrigate fluid sealant afterwards, until housing is filled, so that circuit board is fully sealed, prevent circuit board because with air contact and caused by corrosion, damage, and it is simple in construction, it is easy to operate to greatly reducing production cost.
Description
Technical field
The invention belongs to controller for vacuum pump technical field, more particularly, to vavuum pump integral controller and encapsulating method.
Background technology
A vacuum booster is generally designed in the arrestment mechanism of electric car, the vacuum booster is that vavuum pump exists
By pumping under the control of controller, make air pressure inside and external pressure there is draught head to reduce effect during user's brake
Power.Controller for vacuum pump realizes start-up and shut-down control to vavuum pump according to different working condition, and the sealing of controller for vacuum pump is to it
Whether can effectively be operated and be even more important.
But in existing controller for vacuum pump, controller circuit board only has upper surface to be sealed, and circuit board following table
Face then exposes in atmosphere, and be easily corroded damage, and the existing vavuum pump integral controller cost with sealing is higher.
The content of the invention
In view of this, the present invention is directed to propose a kind of vavuum pump integral controller and encapsulating method, are integrally controlled to vavuum pump
Device processed is sealed, and makes sealed simple to operate, effect stability, and cost is low.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：A kind of vavuum pump integral controller, including
Housing, circuit board and sensor sealing shroud；
The housing is a box body without top surface, and housing bottom surface extends downwardly out a cylinder, and body centre is provided with a through hole,
Housing sidewall bottom also protrude inwardly from one circle shell deck, the shell deck by circuit board be fixed on housing bottom surface just on
Side, enclosure interior space is divided into by circuit board is enclosed with the housing sidewall between circuit board, housing bottom surface and circuit board, housing bottom surface
Into housing lower floor and circuit board, circuit board on the housing upper strata that surrounds of housing sidewall, a perfusion is provided with circuit boards
Hole and one gushes out hole, and circuit board lower surface fixes a vacuum pressure sensor, and vacuum pressure sensor is located at housing bottom surface tower
The surface of shape cylinder；
The cylinder upper surface Yanzhong axis that the housing bottom surface is extended downwardly out is sequentially provided with packing ring, sensor sealing upwards
Set, vacuum pressure sensor；
The sensor sealing shroud includes body, and body central is provided with sensor profiling hole, and profiling hole side wall is downwardly and outwardly
Annular boss is extended in side, and annular boss respectively prolongs straight up around a horn mouth, the relative wall upper surface in profiling hole one
Stretch out one can abut circuit board compress plate；
Told sensor sealing shroud is located between circuit board and housing bottom surface, profiling hole and the vacuum pressure of sensor sealing shroud
Force snesor is engaged, and sensor sealing shroud compresses the circuit board that plate upper surface is closely against near vacuum pressure sensor, sensing
The annular boss of device sealing shroud is closely against packing ring, and the packing ring is pressed on cylinder upper surface.
Further, the fill orifice is near each element of circuit board, and the hole that gushes out is in the circuit board away from fill orifice
One near corners.
Further, for rat tail, some through holes, some controller wire harness and power supply are provided with the wall of housing side
Line is each passed through a through hole and the insert hole of circuit board is connected.
It is preferred that, for rat tail, a gap is also provided with the wall of housing side, what one and gap matched crosses linear sealing
Pad is embedded in opening position, and crossing on the wall of mat wire seal side has some through holes, has some controller wire harness and power line to be each passed through one
The insert hole connection of through hole and circuit board.
Further, the mat wire seal of crossing has the sealing gasket groove matched with housing along edge.
Further, the housing upper surface, higher than the peak of each element on circuit board and circuit board.
Further, the cylinder of the housing bottom surface also extends upward a cylinder boss, and cylinder boss upper surface is provided with
The groove matched with packing ring.
Further, the cylinder lateral wall that the housing bottom surface is extended downwardly out also extend horizontally away some in different height
Individual wedge-shaped bulge loop.
Vavuum pump integral controller is sealed in order to realize, a kind of encapsulating method of use specifically includes following steps：
1) the surrounding side-walls of vacuum pressure sensor on circuit boards coat fluid sealant, and sensor sealing shroud is socketed
On vacuum pressure sensor and the upper surface of press block is connected to circuit board, fluid sealant is dried afterwards, aging；
2) in case inside wall brushing activator, and it is dried；
3) seal gasket is bonded at the step of turriform cylinder stepped hole of housing lower surface；
4) some controller wire harness were each passed through to the through hole of mat wire seal, were connected in insert hole；
5) circuit board is fixed on plastic bolt on shell deck, housing is divided into housing upper strata and housing by circuit board
Lower floor；
6) mat wire seal will be crossed and is fitted to housing opening position, and sealed in seam crossing；
7) detection controller whether there is bad phenomenon；
8) fluid sealant is irrigated to housing lower floor by fill orifice with point gum machine first, until fluid sealant is emerged from hole is gushed out,
Prove that housing lower layer space is full of；
Raise point gum machine afterwards to continue to irrigate fluid sealant to housing upper strata, until fluid sealant does not have oversampling circuit plate to complete completely
Fill up housing upper strata；
9) fluid sealant is completely dried；
10) unnecessary fluid sealant is removed.
Further, the step 9) carry out at room temperature.
Circuit board can be fully sealed for a kind of vavuum pump integral controller sealing structure of the present invention, it is to avoid because close
Envelope is incomplete or the leaky damage for causing circuit board, and simple in construction, and cost is relatively low.
Brief description of the drawings
The accompanying drawing for constituting the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is this vavuum pump integral controller sectional view；
Fig. 2 is sensor sealing shroud schematic three dimensional views；
Fig. 3 is sensor sealing shroud sectional view；
Fig. 4 is circuit board schematic three dimensional views.
Fig. 5 was mat wire seal schematic three dimensional views
Fig. 6 is vavuum pump integral controller housing schematic three dimensional views
Fig. 7 is the overall explosive view of vavuum pump integral controller
Description of reference numerals：
1- housings；2- circuit boards；3- crosses mat wire seal；4- packing rings；5- sensor sealing shrouds；6- controller wire harness；11- shells
Body upper strata；12- housings lower floor；13- shell decks；14- gap；15- cylinders；151- cylinder boss；21- insert holes；22- vacuum
Pressure sensor；23- fill orifices；24- gushes out hole；31- sealing gasket grooves；51- profilings hole；52- compresses plate；53- annular boss.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1 and Figure 4, vavuum pump integral controller provided by the present invention, including housing 1, circuit board 2 and sensing
Device sealing shroud 5；
The housing 1 is a box body without top surface, and the bottom surface of housing 1 extends downwardly out a cylinder 15, and the center of cylinder 15 is provided with
One through hole, housing sidewall bottom also protrudes inwardly from a circle shell deck 13, and circuit board 2 is fixed on housing by the shell deck 13
Enclosure interior space is divided into the housing between circuit board 2, the bottom surface of housing 1 and circuit board 2 by the surface of 1 bottom surface, circuit board 2
The housing upper strata that the side wall of housing 1 on housing lower floor 12 that 1 side wall, the bottom surface of housing 1 are surrounded and circuit board 2, circuit board 2 is surrounded
11, a fill orifice 23 and one is provided with the circuit board 2 and gushes out hole 24, and circuit board lower surface fixes a vacuum pressure sensor 22,
And vacuum pressure sensor 22 is located at the surface of the bottom surface turriform cylinder of housing 1；
The upper surface Yanzhong axis of cylinder 15 that the bottom surface of housing 1 is extended downwardly out is sequentially provided with packing ring 4, sensor upwards
Sealing shroud 5, vacuum pressure sensor 22；
As shown in Fig. 2 the sensor sealing shroud 5, including body, body central is provided with sensor profiling hole 51, profiling
Downwardly and outwardly annular boss 52 is extended in side to the side wall of hole 51, and annular boss 52 is around a horn mouth, and profiling hole 51 1 is relative
Wall upper surface respectively extend straight up one can abut circuit board compress plate 53；
As shown in figure 1, told sensor sealing shroud 5 is located between circuit board 2 and the bottom surface of housing 1, sensor sealing shroud 5
Profiling hole 51 is engaged with vacuum pressure sensor, and sensor sealing shroud 5 compresses the upper surface of plate 53 and is closely against vacuum pressure sensing
Circuit board near device 22, the annular boss 53 of sensor sealing shroud is closely against packing ring 4, and the packing ring 4 is pressed on cylinder 15
Surface.
As shown in figure 4, vavuum pump integral controller provided by the present invention, the fill orifice 23 is in each element of circuit board 2
Near, the hole 24 that gushes out is in the near corners of circuit board 2 one away from fill orifice 23.
As shown in figures 1 to 6, vavuum pump integral controller provided by the present invention, for rat tail, the side of housing 1
A gap 14 is also provided with wall, one is embedded in opening position with the mistake mat wire seal 3 that gap 14 matches, and crosses on the side wall of mat wire seal 3
There are some through holes, some controller wire harness 6 and power line are each passed through a through hole and are connected with the insert hole 21 of circuit board 2.
Vavuum pump integral controller provided by the present invention, for rat tail, can also be provided with the side wall of housing 1
Some through holes, some controller wire harness 6 and power line are each passed through a through hole and are connected with the insert hole 21 of circuit board 1.
As shown in figure 5, vavuum pump integral controller provided by the present invention, the mat wire seal 3 of crossing has and shell along edge
The sealing gasket groove 31 that body 1 matches.
As shown in figure 1, vavuum pump integral controller provided by the present invention, the upper surface of housing 1, higher than circuit board 2
And on circuit board each element peak.
Vavuum pump integral controller provided by the present invention, the cylinder 15 of the bottom surface of housing 1 also extends upward one
Body boss 151, the upper surface of cylinder boss 151 is provided with the groove matched with packing ring 4.
As shown in figures 1 to 6, vavuum pump integral controller provided by the present invention, the bottom surface of housing 1 is extended downwardly out
The lateral wall of cylinder 15 also extend horizontally away several wedge-shaped bulge loops in different height.
Vavuum pump integral controller provided by the present invention, its encapsulating method comprises the following steps：
1) the surrounding side-walls of vacuum pressure sensor 22 on the circuit board 2 coat fluid sealant, by sensor sealing shroud 5
It is socketed on vacuum pressure sensor 22 and the upper surface of press block 53 is connected to circuit board 2, fluid sealant is dried afterwards,
Aging；
2) in case inside wall brushing activator, and it is dried；
3) seal gasket 4 is bonded at the step of turriform cylinder stepped hole of the lower surface of housing 1；
4) some controller wire harness 6 were each passed through to the through hole of mat wire seal 3, were connected in insert hole 21；
5) circuit board is fixed on shell deck 13 with multiple plastic bolts, it is on housing by 2 points of circuit board to make housing 1
Layer 11 and housing lower floor 12；
6) mat wire seal 3 will be crossed to be fitted at housing gap 14, and is sealed in seam crossing；
7) detection controller whether there is bad phenomenon；
8) fluid sealant is irrigated to housing lower floor 12 by fill orifice 23 with point gum machine first, until fluid sealant is from gushing out hole 24
Emerge, it was demonstrated that the space of housing lower floor 12 is full of；
Raise afterwards point gum machine continue to housing upper strata 11 irrigate fluid sealant, until fluid sealant do not have completely oversampling circuit plate 2 to
It is fully filled with housing upper strata 11；
9) fluid sealant is completely dried；
10) unnecessary fluid sealant is removed.
Vavuum pump integral controller provided by the present invention, its encapsulating method, the step 9) carry out at room temperature.
Circuit board can be fully sealed for a kind of vavuum pump integral controller sealing structure of the present invention, it is to avoid because close
Envelope is incomplete or the leaky damage for causing circuit board, and simple in construction, and cost is relatively low.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of sensor sealing shroud, it is characterised in that：Including body, body central is provided with sensor profiling hole (51), profiling
Downwardly and outwardly annular boss (52) is extended in side to hole (51) side wall, and the relative wall upper surface in profiling hole (51) one is each straight up
Extend one and compress plate (53).
2. vavuum pump integral controller, it is characterised in that：Including sensor sealing shroud (5), housing (1) and circuit board (2)；
The housing (1) is a box body without top surface, and housing (1) bottom surface extends downwardly out a cylinder (15), and body centre is provided with
One through hole, housing sidewall bottom also protrudes inwardly from a circle shell deck (13), and the shell deck (13) is fixed by circuit board (2)
Enclosure interior space is divided into circuit board (2), housing (1) bottom surface and electricity by the surface in housing (1) bottom surface, circuit board (2)
Housing lower floor (12) that housing (1) side wall between road plate (2), housing (1) bottom surface are surrounded and circuit board (2), circuit board (2) it
On the housing upper strata (11) that surrounds of housing (1) side wall, a fill orifice (23) and one is provided with circuit board (2) and gushes out hole
(24), circuit board lower surface fixes a vacuum pressure sensor (22), and vacuum pressure sensor (22) is located at housing (1) bottom surface
The surface of turriform cylinder；
Cylinder (15) upper surface Yanzhong axis that housing (1) bottom surface is extended downwardly out is sequentially provided with packing ring (4), sensing upwards
Device sealing shroud (5), vacuum pressure sensor (22)；
Told sensor sealing shroud (5) is located between circuit board (2) and housing (1) bottom surface, the profiling hole of sensor sealing shroud (5)
(51) it is engaged with vacuum pressure sensor, sensor sealing shroud (5) compresses plate (53) upper surface and is closely against vacuum pressure sensing
The circuit board of device (22) nearby, the annular boss (52) of sensor sealing shroud (5) is closely against packing ring (4), and the packing ring (4) compresses
In cylinder (15) upper surface.
3. vavuum pump integral controller according to claim 2, it is characterised in that：The fill orifice (23) is in circuit board
(2) near each element, the hole (24) that gushes out is in the near corners of circuit board (2) one away from fill orifice (23).
4. vavuum pump integral controller according to claim 2, it is characterised in that：Housing (1) on the wall of side if be also provided with
Dry through hole, some controller wire harness (6) and power line are each passed through a through hole and are connected with the insert hole (21) of circuit board (2).
5. vavuum pump integral controller according to claim 2, it is characterised in that：One is also provided with the wall of housing (1) side
Gap (14), one is embedded in gap (14) place with the mistake mat wire seal (3) that gap (14) matches, and crosses on the wall of mat wire seal (3) side
There are some through holes, the insert hole (21) that some controller wire harness (6) and power line are each passed through a through hole and circuit board (2) connects
Connect.
6. a kind of vavuum pump integral controller sealing structure according to claim 5, it is characterised in that：It is described to cross linear sealing
Pad (3) has the sealing gasket groove (31) matched with housing (1) along edge.
7. a kind of vavuum pump integral controller sealing structure according to claim 2, it is characterised in that：The housing (1)
The cylinder (15) of bottom surface also extends upward a cylinder boss (151), and cylinder boss upper surface is provided with what is matched with packing ring (4)
Groove.
8. a kind of vavuum pump integral controller sealing structure according to claim 2, it is characterised in that：The housing (1)
Cylinder (15) lateral wall that bottom surface is extended downwardly out also extend horizontally away several wedge-shaped bulge loops in different height.
9. a kind of encapsulating method for vavuum pump integral controller, comprises the following steps：
1) the surrounding side-walls of the vacuum pressure sensor (22) on circuit board (2) coat fluid sealant, by sensor sealing shroud
(5) it is socketed on vacuum pressure sensor (22) and the upper surface of press block (53) is connected to circuit board (2), afterwards to fluid sealant
Be dried, aging；
2) seal gasket (4) is bonded at the step of the turriform cylinder stepped hole of housing (1) lower surface；
3) some controller wire harness (6) were each passed through to a through hole of mat wire seal (3), were connected in insert hole (21)；
4) circuit board is fixed on shell deck (13), housing (1) is divided into housing upper strata (11) and housing by circuit board (2)
Lower floor (12)；
5) mat wire seal (3) is fitted to housing gap (14) place, and sealed in seam crossing；
6) fluid sealant is irrigated to housing lower floor (12) by fill orifice (23) with point gum machine, until fluid sealant emits from hole (24) is gushed out
Go out, it was demonstrated that housing lower floor (12) space is full of；
7) raise point gum machine to continue to irrigate fluid sealant to housing upper strata (11), until fluid sealant does not have oversampling circuit plate (2) extremely complete completely
Housing upper strata (11) is filled up entirely, then the fluid sealant of perfusion is dried.
10. the encapsulating method of vavuum pump integral controller according to claim 8, it is characterised in that：The step 7) fill
The fluid sealant of note is dried at room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453049.6A CN107105590A (en) | 2017-06-15 | 2017-06-15 | A kind of sensor sealing shroud and vavuum pump integral controller and encapsulating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710453049.6A CN107105590A (en) | 2017-06-15 | 2017-06-15 | A kind of sensor sealing shroud and vavuum pump integral controller and encapsulating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107105590A true CN107105590A (en) | 2017-08-29 |
Family
ID=59660346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710453049.6A Pending CN107105590A (en) | 2017-06-15 | 2017-06-15 | A kind of sensor sealing shroud and vavuum pump integral controller and encapsulating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107105590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107727A (en) * | 2018-10-29 | 2020-05-05 | 标立电机有限公司 | Electronic module and pump driving device with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204350510U (en) * | 2015-01-13 | 2015-05-20 | 东方久乐汽车电子（上海）有限公司 | A kind of hermetically-sealed construction of plug-in type controller for vacuum pump |
| CN106102399A (en) * | 2016-08-22 | 2016-11-09 | 华景传感科技（无锡）有限公司 | A kind of sealing structure of vacuum pump electronic controller |
| CN205691281U (en) * | 2016-06-13 | 2016-11-16 | 眉山中车制动科技股份有限公司 | A kind of step column sealing ring |
| CN106195426A (en) * | 2016-09-21 | 2016-12-07 | 宁波乔士橡塑有限公司 | A kind of Novel vacuum check valve |
| CN207382744U (en) * | 2017-06-15 | 2018-05-18 | 天津市中环三峰电子有限公司 | A kind of sensor sealing shroud and vacuum pump integral controller |
-
2017
- 2017-06-15 CN CN201710453049.6A patent/CN107105590A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204350510U (en) * | 2015-01-13 | 2015-05-20 | 东方久乐汽车电子（上海）有限公司 | A kind of hermetically-sealed construction of plug-in type controller for vacuum pump |
| CN205691281U (en) * | 2016-06-13 | 2016-11-16 | 眉山中车制动科技股份有限公司 | A kind of step column sealing ring |
| CN106102399A (en) * | 2016-08-22 | 2016-11-09 | 华景传感科技（无锡）有限公司 | A kind of sealing structure of vacuum pump electronic controller |
| CN106195426A (en) * | 2016-09-21 | 2016-12-07 | 宁波乔士橡塑有限公司 | A kind of Novel vacuum check valve |
| CN207382744U (en) * | 2017-06-15 | 2018-05-18 | 天津市中环三峰电子有限公司 | A kind of sensor sealing shroud and vacuum pump integral controller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107727A (en) * | 2018-10-29 | 2020-05-05 | 标立电机有限公司 | Electronic module and pump driving device with same |
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Application publication date: 20170829 |
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