CN202262171U - Electronic control device - Google Patents
Electronic control device Download PDFInfo
- Publication number
- CN202262171U CN202262171U CN2011203228878U CN201120322887U CN202262171U CN 202262171 U CN202262171 U CN 202262171U CN 2011203228878 U CN2011203228878 U CN 2011203228878U CN 201120322887 U CN201120322887 U CN 201120322887U CN 202262171 U CN202262171 U CN 202262171U
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- Prior art keywords
- substrate
- electronic
- casing
- controlled installation
- connector
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- 239000000758 substrate Substances 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims description 35
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 230000003519 ventilatory effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 78
- 230000029058 respiratory gaseous exchange Effects 0.000 description 28
- 238000010586 diagram Methods 0.000 description 19
- 230000015572 biosynthetic process Effects 0.000 description 14
- 239000010410 layer Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
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- Casings For Electric Apparatus (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides an electronic control device for low cost and high-quality as market needs, with this present complicated ECU's structure simplification under the condition that does not make present complicated ECU's structure produce the function and reduce. The substrate and the case of the electronic control device are held and fixed to each other by the snap-fit joint of the breather filter 1 penetrating the substrate and the case. In addition, an electrode portion capable of being electrically connected to the metal case is provided on the substrate near the latch. Furthermore, a heat dissipation structure of the electronic component generating heat is provided near the snap joint portion, so that the substrate and the case are fixed and the contact pressure between the substrate and the case is ensured.
Description
Technical field
The utility model relates to the electronic-controlled installation of the casing with the circuit substrate that electronic unit is installed in inside is airtight and the water proof type taken in or non-water proof type.
Background technology
At present, can realize simultaneously quality and cheaply ECU become market demand.At this, in existing electronic-controlled installation (Electronic Control Unit:ECU), used the technology that adopts screw thread to combine in the connection between component parts.In addition, be well known that and use the structure (with reference to patent documentation 1) that engages with pawl in order to simplify assembling procedure to omit screw element.
Patent documentation 1: the spy opens the 2002-64284 communique
But, in patent documentation 1, need complicated structure and more assembling procedure in order to constitute casing.
The utility model content
The purpose of the utility model is to provide a kind of ECU of following structure: do not use screw thread to combine, and compared with prior art can simplify structure and the assembling procedure of ECU, keep quality with low cost.
The utility model provides a kind of electronic-controlled installation, has: substrate, and it is equipped with electronic unit; Casing, its this substrate of airtight protection; Connector; It has the splicing ear that said substrate and casing are electrically connected with external device (ED); Said electronic-controlled installation is characterised in that; At least 1 fixed component that utilization has the buckle joint portion connects said substrate and said casing, utilizes the buckle joint portion of said fixed component that said casing and said substrate are interfixed simultaneously.
In addition, in electronic-controlled installation, it is characterized in that said fixed component is arranged at the filter with ventilatory function in the said electronic-controlled installation.
In addition; In electronic-controlled installation; It is characterized in that; Between said fixed component and said electronic-controlled installation, be provided with the elastic component that waterproof is used, carry out between said fixed component and the said electronic-controlled installation waterproof and said fixed component and said electronic-controlled installation fixedly the time the absorption of dimensional discrepancy.
In addition, in electronic-controlled installation, it is characterized in that said fixed component is arranged at the said connector that is electrically connected with external device (ED).
In addition; In electronic-controlled installation; It is characterized in that; Under the situation that said casing is formed by conductive material, near the said substrate that keeps by the buckle joint portion of said fixed component, dispose the conductive wires pattern that is electrically connected with said casing, after interfixing, said casing and said substrate conduct.
In addition, in electronic-controlled installation, it is characterized in that, near the heat-generating electronic part that is installed on said substrate, carry out fixing based on the buckle joint portion of said fixed component, guarantee the contact pressure of said casing and said substrate.
In addition; In electronic-controlled installation, it is characterized in that, be formed with the inclined plane at the joint face of said connector and said casing; With when the direction vertical with base plan assembled the terminal area of said connector, said connector and the mutually noninterfere mutually of said casing.
In addition, in electronic-controlled installation, it is characterized in that, dispose the waterproof case that electronic-controlled installation is carried out waterproof at the joint face of said connector and said casing.
In addition, in electronic-controlled installation, it is characterized in that, dispose pair of connectors, by fixing said substrate of this pair of connectors and said casing with fixed component at the two ends of said substrate.
According to the utility model; Because casing that has substrate that electronic unit is installed, substrate is covered and the connector that substrate and casing are connected with external device (ED); The parts more than 1 that utilization is provided with clamping part connect substrate and casing; Therefore and utilize clamping part static housing and substrate, can simplify structure and the assembling procedure of ECU more, a kind of low cost is provided and can keeps the structure of quality.
Description of drawings
Fig. 1 is the stereogram of ECU.
Fig. 2 A is the A-A profile of Fig. 1.
Fig. 2 B is the exploded perspective view of the major part of Fig. 2 A.
Fig. 3 A is the B-B profile of Fig. 1.
Fig. 3 B is the exploded perspective view of the major part of Fig. 3 A.
Fig. 3 C is the exploded perspective view of the major part of Fig. 3 A.
Fig. 4 A is the C-C profile of Fig. 1.
Fig. 4 B is the exploded perspective view of the major part of Fig. 4 A.
Fig. 4 C is the exploded perspective view of the major part of Fig. 4 A.
Fig. 5 is that the D-D of Fig. 1 is to view.
Fig. 6 A is the key diagram of the assembling procedure of expression waterproof ECU.
Fig. 6 B is the key diagram of the assembling procedure of expression waterproof ECU.
Fig. 6 C is the key diagram of the assembling procedure of expression waterproof ECU.
Fig. 6 D is the key diagram of the assembling procedure of expression waterproof ECU.
Fig. 7 is the stereogram in the electrical connection that is electrically connected with the casing zone of expression substrate.
Fig. 8 A is the key diagram of the assembling procedure of the non-waterproof ECU of expression.
Fig. 8 B is the key diagram of the assembling procedure of the non-waterproof ECU of expression.
Fig. 8 C is the key diagram of the assembling procedure of the non-waterproof ECU of expression.
Fig. 9 is the stereogram of the structure of the non-waterproof ECU of expression.
Figure 10 is the stereogram in the electrical connection that is electrically connected with the casing zone of expression substrate.
Figure 11 A is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 B is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 C is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 D is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 E is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 F is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 G is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 H is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 I is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 J is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 K is the key diagram of assembling procedure of the ECU of expression prior art.
Figure 11 L is the key diagram of assembling procedure of the ECU of expression prior art.
Symbol description
1: breathing circuit filter
2,31: cover
3,32:PCB (tellite)
4: the buckle joint portion of breathing circuit filter
5:O type ring
The 6:PCB support
7: connector
8,9,10: the buckle joint portion of connector
11,42: electrical pins (splicing ear)
12: the hole of cover
The hole of 13:PCB
14,16, the hole of 18:PCB
15,17,19: the hole of cover
The grounding parts of 23:PCB
24,25, the grounding parts of 26:PCB
27, the grounding path of 61:PCB
28: the contact site of connector
29: waterproof case
30: the contact site of cover
100a、100b、100c、108a、108b、108c：IC
101a, 101b, 101c, 109a, 109b, 109c: heating panel
102a, 102b, 102c, 110a, 110b, 110c: solder cream
103a, 103b, 103c: copper pattern zone
104a, 104b, 104c:VIA hole
105a, 105b, 105c: heat transfer layer
106a, 106b, 106c: accumulation of heat member
107a, 107b, 107c: radiating fin
33,34: connector
35,36,37: the buckle joint portion of connector 33
38,39,40: the buckle joint portion of connector 34
43,45,47,49,51, the hole of 53:PCB
44,46,48,50,52,54: the hole of cover
55,56,57,58,59,60:PCB grounding parts
63,65: the connector contact-making surface
64,66: the cover contact-making surface
Embodiment
Below based on each embodiment the execution mode of the utility model is described.Embodiment 1 is corresponding to Fig. 1～waterproof ECU shown in Figure 7.Embodiment 2 is corresponding to Fig. 8～non-waterproof ECU shown in Figure 10.Waterproof ECU is used at length explaining the formation of utility model.For non-waterproof ECU, the formation of utility model also is identical.The ECU structure of the utility model is divided into following project with the formation that is used to assemble to be described.
New structure and the formation of assembling procedure such as the following stated.
(waterproof ECU)
1) combination of the buckle joint portion 4 of use breathing circuit filter 1
2) combination of the buckle joint portion 8,9,10 of use connector 7
3) be used to cover 2 with the formation that contacts of connector 7
4) assembling procedure of breathing circuit filter buckle joint portion (Fig. 6 (D))
5) the airtight assembling procedure of connector fastener joint portion and cover (Fig. 6 (C))
(non-waterproof ECU)
2) combination of the buckle joint portion 8,9,10 of use connector 7
3) be used to cover 2 with the formation that contacts of connector 7
5) the airtight assembling procedure of connector fastener joint portion and cover
6) combination of the buckle joint portion 35,36,37,38,39 of use connector 33,34
7) be used to cover 31 with the formation that contacts of connector 33,34
8) the airtight assembling procedure (Fig. 8 (B), (C)) of connector fastener combination and cover
Corresponding to these constitute, or waterproof ECU or non-waterproof ECU when being assembled in formation in the ECU structure, the number of parts and the decreased number of assembling procedure.
[embodiment 1]
Then, the waterproof ECU of illustrative embodiment 1.Waterproof ECU is characterised in that and uses breathing circuit filter and waterproof case that other constitutes with non-waterproof ECU general.
(basic comprising of waterproof ECU)
1) combination of the buckle joint portion 4 of use breathing circuit filter 1
Waterproof ECU structure after Fig. 1 representes to assemble.Fig. 2 A, 2B, Fig. 4 A～4C represent to have substrate and as the new formation of the breathing circuit filter 1 of the buckle joint portion 4 of the flexible fastening member of casing.Breathing circuit filter 1 has buckle joint portion 4 and waterproof O type ring 5.As shown in Figure 1, connect and be pressed into cover 2 hole 12 and PCB (tellite) 3 hole 13 breathing circuit filter 1 buckle joint portion 4 with PCB3 with cover 2 and closely remain one.
In addition, the buckle joint portion 4 that keeps PCB3 and cover 2 breathing circuit filter 1 can and make the contact pressure point between the thermolytic heating panel 101a, 101b, 101c, 109a, 109b, 109c of these IC and plays a role as IC100a, 100b, 100c, 108a, 108b, 108c.PCB3 is a single or multiple lift, and electronic circuit component is installed on single face or the two sides of PCB3.
In Fig. 2 A, 2B and Fig. 4 A～4C, represented that IC100a, 100b, 100c, 108a, 108b, 108c and heating panel 101a, 101b, 101c, 109a, 109b, 109c are installed in the example on the two sides of PCB3.Heating panel 101a, 101b, 101c, solder cream 102a, 102b, 102c, VIA hole 104a, 104b, 104c and the heat transfer layer 105a of the heat that produces at IC100a, 100b, the 100c of the downside of PCB3 through exposing, 105b, 105c and diffuse to PCB3 top in the IC bottom of PCB3.
In the metal cap structure, radiating fin 107a, 107b, the 107c on thermal storage member 106a, 106b, 106c, the cover 2 makes diffusing easily of heat.Likewise, the heat that produces at IC108a, 108b, the 108c of the upside of PCB3 is diffused to the ECU outside through last copper zone 103a, 103b, 103c, heat transfer layer 105a, 105b, 105c and the above-mentioned metal cap structure of the heating panel 109a, 109b, 109c, solder cream 110a, 110b, 110c, the PCB that expose in each IC bottom.
Contact pressure for PCB3 and cover the heat radiation between 2 and provide closely combine, ground connection connects and during contact, the thickness that the elasticity O type ring 5 of breathing circuit filter 1 has less than about 4.5mm, and absorb PCB3 simultaneously and cover vibration and the gap between 2.
2) combination of the buckle joint portion 8,9,10 of use connector 7
The combination of using the buckle joint portion 8,9,10 of the bulged-in connector that is used to be electrically connected 7 in the waterproof ECU structure is shown with reference to Fig. 1, Fig. 3 A～3C and Fig. 4 A～4C.Connector 7 uses the positive type of the terminal/pin with vertical or right angle or the connector of cloudy type.Figure has represented the example of vertical Male Connector.
Under the situation that cover 2 is made by metal mold,, can use the buckle of PCB3 and cover 2 to combine at 3 positions for PCB3 and grounding parts 24,25, being electrically connected closely between 26.Can around the hole 14,16,18 of PCB3, make grounding parts 24,25,26.This formation also can be applied to Fig. 9 of non-waterproof ECU structure.
3) be used to cover 2 with the formation that contacts of connector 7
As shown in Figure 5, can enclosed hood 2 in order to make connector 7, the mode that contacts with the inclined plane 30 with the connector 7 that tilts to the bottom from front end is provided with inclined plane 28 at cover 2.In waterproof ECU, between cover 2 surfaces of connector 7 and contact, be provided with the layer of waterproof case (or bonding agent/liner) 29.This formation also can be applied to Fig. 9 of non-waterproof ECU structure.
4) assembling procedure of breathing circuit filter buckle combination
With reference to Fig. 6 A～6D, the buckle of breathing circuit filter 1 combines needed operation to be to use simple unidirectional power, connect cover 2 hole 12 and PCB3 hole 13 and be pressed into the single assembling procedure of the buckle joint portion 4 of breathing circuit filter 1, shown in Fig. 6 D.Utilize the power of about 100N, not only can obtain inside and outside isostasy, can also obtain the following function of appending based on the ECU of breathing circuit filter 1.
(1), obtains not use combining closely between cover 2 and the PCB3 of other joint portion and assembling procedure through using 1 of breathing circuit filter to have the buckle joint portion.
(2) under the situation of metallic cover, do not use other joint portion and assembling procedure and obtain the firm electrical connection of grounding parts 23 with the cover of PCB.
(3) do not use other joint portion and assembling procedure, and the contact pressure that acquisition is used to dispel the heat around the buckle combination.
(4) do not use other joint portion and assembling procedure, and absorb vibration and gap between cover 2 and PCB3.Therefore, when contact pressure is given combination closely, ground connection connection and contact for heat radiation, use the elastic characteristic of the O type ring 5 of breathing circuit filter 1.
5) the airtight assembling procedure of connector fastener combination and cover
About waterproof ECU; Accomplishing the connector fastener combination and covering airtight assembling procedure is following operation: push the connector that is crimped with the power of single direction; The buckle joint portion 8,9,10 of connector 7 is pressed into the hole 14,16,18 of PCB3 and covers 2 hole 15,17,19; At all sites of ECU PCB3 is combined closely with cover 2, will be covered 2 peristome by the contact site 30 of the contact site 28 of connector and cover airtight.
This is to carry out PCB3 and the combination of cover 2 and airtight this two side of cover and connector with single assembling procedure.And then, can obtain the following function of appending through using 1 simple unidirectional power.
(1) do not use other joint portion and assembling procedure, and obtain combining closely between cover 2 and the PCB3 at 3 positions.For joint connector 7, use the assembling procedure of buckle joint portion 8,9,10 and Fig. 6 (C).
(2) under the situation of metallic cover 2, do not use other joint portion and assembling procedure, obtain grounding parts 24,25,26 and the electrical connection closely of covering 2 grounding parts of the PCB3 at 3 positions.
(3) do not use other joint portion and assembling procedure, it is 2 airtight to utilize connector 7 to cover.
This formation also can be applied to Fig. 9 of non-waterproof ECU structure.
(assembling procedure of waterproof ECU)
The assembling procedure of waterproof ECU then, below is described.At the assembling procedure that is used for waterproof ECU shown in Fig. 6 A～6D, after circuit element and heat transfer layer are assemblied in PCB3, the assembling procedure of (A)～(D) below implementing.
(A) assembling procedure 1
The power that use is slided simple PCB.The PCB that PCB3 uses single face or two sides to install.Cover 2 can be formed by plastics casting mold or metal drawing-die casting mold.
(B) assembling procedure 2
Outside the cover week is used waterproof case 29.That is to say that the contact site 30 of cover 2 and the contact site 28 of connector periphery are littler than the anti-aqua region of existing ECU (base plate complete cycle+connector complete cycle), can reduce the amount of required waterproof case.
(C) assembling procedure 3
Use a simple direction pressing force.3 buckle joint portions 8,9,10 connect PCB holes 14,16,18 thus, and the hole 15,17,19 of fixed cover 2 is with the maintenance of combining closely of PCB3 and cover 2.Electrical pins 11 is used the pin of crimping mating type.
Through this single operation, realize the combining closely of 3 positions of cover 2 and PCB3, under the situation of metallic cover, be grounded combination, can obtain airtight based on the cover peristome of connector 7.
(D) assembling procedure 4
Use a simple direction pressing force.Thus, the buckle joint portion 4 of breathing circuit filter 1 connects the hole 12 of cover 2 and the hole 13 of PCB3, and both are combined closely.Through this single operation; Combining closely of 3 positions of realization cover 2 and PCB3; Under the situation of metallic cover, be grounded combination; In addition can the electron gain parts or the contact pressure that is used to the dispel the heat point of IC100A, 100B, 100C, 108A, 108B, 108C, can absorbed oscillation or gap.
At cover 2 is not under the situation of plastics but metal drawing-die casting mold, the PCB that contact with the buckle joint portion with cover regional as shown in Figure 7 at contact site 23～26 4 positions and cover 2 and the contact point on the surface 27 of PCB3 have the ground area.Copper zone 103a, 103b, 103c and VIA hole 104a, 104b, the 104c heat dissipation region that becomes IC100A, 100B, 100C, 108A, 108B, 108C as shown in Figure 7 around breathing circuit filter 1 in addition.
As shown in Figure 2, cover 2 can be provided with the support 6 of PCB3.At cover 2 is under the metal situation, and support 6 becomes the ground area or the area of PCB3 and cover 2 where necessary.
[embodiment 2]
The assembling procedure of non-waterproof ECU below is described.At this, use Fig. 8 A～8C and Fig. 9 explanation to have the assembling procedure of the ECU of 2 connectors 33,34.
After electronic unit or heat transfer layer are filled in PCB32, carry out following (A) (B) operation of (C).
(A) assembling procedure 1: use the power that PCB32 is slided.
(B) assembling procedure 2: 1 simple direction pressing force is put on connector 33.
Thus, 3 buckle joint portions 35,36,37 of connector 33 connect 3 holes 43,45,47 of PCB32, connect 3 holes 44,46,48 of cover 2, and PCB32 is closely remained in cover 31.Not shown electrical pins is a crimp type.
Utilize this single operation; Realize combining closely at PCB32 and 3 positions of covering between 31; Be grounded combination at the grounding parts 55,56,57 of PCB32 with between covering 31 under the situation of metallic cover, at the contact site 63 of connector 33 with cover between 31 the contact site 64 and realize the airtight of cover peristome.These steps are carried out at the one-sided of ECU.
(C) assembling procedure 3: 1 simple direction pressing force is put on connector 34.
Thus, 3 buckle joint portions 38,39,40 of another connector 34 connect 3 holes 49,51,53 of PCB32, and connect 3 holes 50,52,54 of cover 31, and PCB32 is closely remained in cover 31.
Electrical pins 42 is crimp types.Utilize this single operation; Realize combining closely at PCB32 and 3 positions of covering between 31; Be grounded combination at the grounding parts 58,59,60 of PCB with between covering 31 under the situation of metallic cover, at the contact site 65 of connector 34 with cover and realize the airtight of cover peristome between the surperficial contact site 66.
So the buckle joint portion 35,36,37,38,39,40 that PCB32 is had by 2 connectors 33,34 closely remains at 6 positions covers in 31, under the situation of metallic cover, engages identical position ground connection.In Figure 10, illustrate with cover the buckle joint portion that contacts in ground area 55,56,57,58,59,60 and the PCB ground area 61 of PCB32.
At cover 31 is under the situation of metal cap, the support 62 that can be provided with as the PCB32 of grounding parts and radiating part performance function at cover 31 as required.
The utility model has specified specific preferred embodiment, but also can be other embodiment.Thereby aim and claims of this claim are not limited to the foregoing description.
Be under 1 the situation at the connector of ECU, only at the one-sided peristome of cover with mounted connector.The other end of cover does not have peristome and is sealed, and in inboard otch or the gap with PCB maintenance usefulness of cover, PCB is inserted the cover back keep this PCB.
(comparative example)
For easy comparison, below existing ECU structure and the assembling procedure that the utility model constitutes do not used in explanation.The existing assembling procedure that is used for waterproof ECU is shown in figure 11.
(1) waterproof ECU assembling procedure
After the filling of electronic unit on the PCB69 and heat transfer layer, implement following assembling procedure.
(A) assembling procedure 1: to PCB69 filling connector 70.
(B) assembling procedure 2: implement the jet soldering from connector 70 to PCB69.
(C) assembling procedure 3: the bottom surface substrate contacted 76 with connector 71 is provided with waterproof case 73.
(D) assembling procedure 4: upload at pedestal 67 and put the PCB69 with connector 70.
(E) assembling procedure 5: at connector 72 upper surfaces and pedestal 77 peripheries waterproof case 74,75 is set.
(F) assembling procedure 6: will cover 68 top and carry the base part that places cover 67.Thus, cover top contacts with connector, and pedestal 78 contacts with waterproof case 74,75.
(G)～(J) assembling procedure 7～10
(K) assembling procedure 11: the topmost that breathing circuit filter 1 is pressed into cover 68.
The assembling parts number needs 10 (pedestal 67 of PCB69, connector 70, ECU, cover 68, waterproof case, screw element 79,80,81,82, breathing circuit filters 1).The number of assembling procedure is 11 (Figure 11 A～11K).Figure 11 L representes the ECU that accomplishes.
(2) non-waterproof ECU
In non-waterproof ECU, component count and assembling procedure and water proof type are similar.But owing to do not use waterproof case and breathing circuit filter 1, do not use waterproof case assembling procedure (C) with (E), breathing circuit filter insertion assembling procedure (K), so 8 (PCB, connector, pedestal, cover, 4 screw elements) of the number of assembling parts needs.The number of assembling procedure is 8.
Sum up the foregoing description, conclusion is following.
(waterproof ECU)
Under the situation of waterproof ECU; The breathing circuit filter that carries out filter and air pressure adjustment between ECU inside and outside has more than has this function; Also use the O type ring of the waterproof that sandwiches ECU and be set at the fixedly rubber-like clamping part of usefulness, casing and substrate are fixed.
In addition, be under the metal situation at cover, so that the mode that substrate and casing are electrically connected is provided with on substrate and the contact site of casing, can in assembling, connect.And then, for the electronic unit that makes casing heating with being fixed on the substrate conducts heat, can guarantee the contact pressure of casing and electronic unit or substrate.In addition, between connector and casing, the liner of waterproof is set and guarantees water resistance.
Constitute the dimensional discrepancy that absorbs the O type ring that the waterproof for breathing circuit filter and casing is provided with through this structure is such, can guarantee pressure reliably substrate and casing maintenance.And, all functional can both realizations through unidirectional 1 assembling procedure of breathing circuit filter.
(non-waterproof ECU)
Non-waterproof ECU also can be made up of this structure.With ECU and the connector that outer departments and organs are electrically connected, likewise utilize a unidirectional assembling procedure with breathing circuit filter, and be utilized in the rubber-like clamping part that connector is provided with, fix to substrate and casing.And, be provided with the inclined plane at the casing connecting portion of connector with respect to the base plan direction of ECU, also be provided with peristome in the casing side with inclined plane corresponding with this inclined plane, can in the connector assembling, realize the airtight of casing thus.
Through formation like this, assembling procedure can only be an assembling procedure of single direction, thereby can cut down components number, can cut down the assembling number.In so constituting, in waterproof ECU, can part count be cut to 5 from 10, can the assembling number be cut to 4 operations from 11 operations.In non-waterproof ECU, can part count be cut to 4 from 8 in addition, can the assembling number be cut to 3 operations from 8 operations.
That is, in waterproof ECU,
(1) can part count be cut to 5 from 10.
(2) can the assembling number be cut to 4 operations from 11 operations.
In addition, in non-waterproof ECU,
(1) can part count be cut to 4 from 8.
(2) can the assembling number be cut to 3 operations from 8 operations.
Below, as common project,
(3) can eliminate screw element, screw thread processing.
(4) can only assemble with the assembling of single direction.
(5) can under the situation that prior function is reduced, constitute ECU.
(6) can cut down the amount of liner.
(7) through cutting down part count and operation number, cheap ECU can be provided.
Claims (10)
1. electronic-controlled installation has: substrate, and it is equipped with electronic unit; Casing, its this substrate of airtight protection; Connector, it has the splicing ear that said substrate and casing are electrically connected with external device (ED),
Said electronic-controlled installation is characterised in that,
At least 1 fixed component that utilization has the buckle joint portion connects said substrate and said casing, utilizes the buckle joint portion of said fixed component that said casing and said substrate are interfixed simultaneously.
2. electronic-controlled installation as claimed in claim 1 is characterized in that,
Said fixed component is arranged at the filter with ventilatory function in the said electronic-controlled installation.
3. according to claim 1 or claim 2 electronic-controlled installation is characterized in that,
Between said fixed component and said electronic-controlled installation, be provided with the elastic component that waterproof is used, carry out the waterproof between said fixed component and the said electronic-controlled installation and carry out said fixed component and said electronic-controlled installation fixedly the time the absorption of dimensional discrepancy.
4. like any described electronic-controlled installation in the claim 1 to 3, it is characterized in that,
Said fixed component is arranged at the said connector that is electrically connected with external device (ED).
5. like any described electronic-controlled installation in the claim 1 to 4, it is characterized in that,
Under the situation that said casing is formed by conductive material, near the said substrate that keeps by the buckle joint portion of said fixed component, dispose the conductive wires pattern that is electrically connected with said casing, after interfixing, said casing and said substrate conduct.
6. like any described electronic-controlled installation in the claim 1 to 5, it is characterized in that,
Near the heat-generating electronic part that is installed on said substrate, fix, guarantee the contact pressure of said casing and said substrate by the buckle joint portion of said fixed component.
7. like any described electronic-controlled installation in the claim 1 to 6, it is characterized in that,
Joint face at said connector and said casing is formed with the inclined plane, with when the direction vertical with base plan assembled the terminal area of said connector, and said connector and the mutually noninterfere mutually of said casing.
8. electronic-controlled installation as claimed in claim 7 is characterized in that,
Joint face at said connector and said casing disposes the waterproof case that electronic-controlled installation is carried out waterproof.
9. electronic-controlled installation as claimed in claim 1 is characterized in that,
Dispose pair of connectors at the two ends of said substrate, by fixing said substrate of this pair of connectors and said casing with fixed component.
10. electronic-controlled installation has: substrate, and it is equipped with electronic unit; Casing, its this substrate of airtight protection; Connector, it has the splicing ear that said substrate and casing are electrically connected with external device (ED),
Said electronic-controlled installation is characterised in that,
At least 1 fixed component that utilization has the buckle joint portion connects said substrate and said casing; Utilize the buckle joint portion of said fixed component that said casing and said substrate are interfixed simultaneously, the hole that makes said fixed component connect said substrate is the through hole that is used for a plurality of interlayer conductions of the two sides of said substrate or said substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203228878U CN202262171U (en) | 2011-08-31 | 2011-08-31 | Electronic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203228878U CN202262171U (en) | 2011-08-31 | 2011-08-31 | Electronic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202262171U true CN202262171U (en) | 2012-05-30 |
Family
ID=46123340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203228878U Expired - Lifetime CN202262171U (en) | 2011-08-31 | 2011-08-31 | Electronic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202262171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108293305A (en) * | 2015-12-10 | 2018-07-17 | 日立汽车系统株式会社 | Electronic control unit |
| CN111527803A (en) * | 2017-12-25 | 2020-08-11 | 日立汽车系统株式会社 | Electronic control device |
-
2011
- 2011-08-31 CN CN2011203228878U patent/CN202262171U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108293305A (en) * | 2015-12-10 | 2018-07-17 | 日立汽车系统株式会社 | Electronic control unit |
| US10501031B2 (en) | 2015-12-10 | 2019-12-10 | Hitachi Automotive Systems | Electronic control device |
| CN108293305B (en) * | 2015-12-10 | 2020-06-26 | 日立汽车系统株式会社 | Electronic control device |
| US10829064B2 (en) | 2015-12-10 | 2020-11-10 | Hitachi Automotive Systems, Ltd. | Electronic control device |
| CN111527803A (en) * | 2017-12-25 | 2020-08-11 | 日立汽车系统株式会社 | Electronic control device |
| US11171472B2 (en) | 2017-12-25 | 2021-11-09 | Hitachi Automotive Systems, Ltd. | Electronic controller |
| CN111527803B (en) * | 2017-12-25 | 2022-01-28 | 日立安斯泰莫株式会社 | Electronic control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |