CN204119699U - Be installed on the circuit board assembling device in equipment - Google Patents
Be installed on the circuit board assembling device in equipment Download PDFInfo
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- CN204119699U CN204119699U CN201420358695.6U CN201420358695U CN204119699U CN 204119699 U CN204119699 U CN 204119699U CN 201420358695 U CN201420358695 U CN 201420358695U CN 204119699 U CN204119699 U CN 204119699U
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- circuit board
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- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 61
- 239000011241 protective layer Substances 0.000 claims description 14
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- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
Abstract
The utility model discloses a kind of circuit board assembling device be installed in equipment, comprising: bolt, its one end is fixed on the housing of described equipment; Through the elastic washer of described bolt; Circuit board, it offers installation through hole, and it is installed through hole and is padded on described elastic washer through described bolt; Pad, is padded on described circuit board through described bolt; Spring and nut, described spring is padded on described pad through described bolt; Described nut is tightened mutually with the other end of described bolt, and touches with described spring interface.In the technical scheme of the utility model embodiment, spring is provided with between circuit board in circuit board assembling device and the nut fixing this circuit board, elastic washer is lined with between circuit board and the housing of equipment, the performance that circuit board resistance to mechanical is impacted can be improved, thus the reliability of circuit board can be improved.
Description
Technical field
The utility model relates to the communications field, particularly relates to a kind of circuit board assembling device be installed in equipment.
Background technology
Wireless access device is applied to the occasions such as field scientific investigation, exploration, electric power first-aid, rescue and relief work usually.Compared to indoor environment, wireless access device is comparatively severe at the operational environment of above-mentioned occasion, such as: meet with jolt or collide, the temperature of acute variation, higher high humility, higher acid-base value etc.Therefore, one of high reliability development trend becoming wireless access device.
At present, a kind of structural representation being installed on existing circuit board assembling device in wireless access device as shown in Figure 1, comprising: housing 101, the multiple bolts 102 be arranged on housing 101 inner surface, circuit board 103 and multiple nut 104 supporting with bolt 102.Circuit board 103 offers multiple through hole 131, the diameter of through hole 131 is greater than the external diameter of bolt 102 and is less than the external diameter of nut 104.For each bolt 102, this bolt 102 penetrates a through hole 131 on circuit board 103, and circuit board 103 is compressed between the lower surface of this nut and the inner surface of housing 101 by the supporting nut 104 of this bolt 102.
Then, in existing circuit board assembling device, be all rigidly connected between circuit board and the housing of device, between circuit board and nut; Once cause external impacts, be easy to cause circuit board damage, thus cause whole wireless access device to work.Visible, the circuit board reliability in existing circuit board assembling device is lower.Therefore, be necessary to provide a kind of circuit board assembling device be installed in equipment, to improve the reliability of circuit board.
Utility model content
For the defect that above-mentioned prior art exists, the utility model provides a kind of circuit board assembling device be installed in equipment, and its circuit board possesses higher reliability.
According to the technical solution of the utility model, provide a kind of circuit board assembling device be installed in equipment, comprising:
Bolt, its one end is fixed on the housing of described equipment;
Through the elastic washer of described bolt;
Circuit board, it offers installation through hole, and it is installed through hole and is padded on described elastic washer through described bolt;
Pad, is padded on described circuit board through described bolt;
Spring and nut, described spring is padded on described pad through described bolt; Described nut is tightened mutually with the other end of described bolt, and touches with described spring interface.
Preferably, one end of described bolt is welded on the inner surface of described housing; And
The material of described elastic washer is specially rubber.
Preferably, described circuit board specifically comprises: first circuit board and second circuit board; And
First circuit board comprises: control circuit module and input circuit module, the first buffer circuit that input, output are electrically connected with the output of described input circuit module, described control circuit module respectively, and the display circuit module be all electrically connected with described control circuit module and the first communication circuit module;
This light signal is converted to the signal of telecommunication and outputs to described control circuit module after being used for that the signal of telecommunication that described input circuit module exports is converted to light signal by the first buffer circuit;
Second circuit board comprises: the second buffer circuit that the output circuit module that governor circuit module, input are electrically connected with described governor circuit module, input are electrically connected with the output of described output circuit module, and the modular circuit module be all electrically connected with described governor circuit module and second communication circuit module;
This light signal is converted to the signal of telecommunication and outputs to described output circuit module after being used for that the signal of telecommunication that described governor circuit module exports is converted to light signal by the second buffer circuit;
First communication circuit module is electrically connected with second communication circuit module.
Further, first circuit board also comprises:
First power module, for being respectively described control circuit module, display circuit module, the first buffer circuit, input circuit module, the first communication circuit module power; And
Second circuit board also comprises:
Second source module, for being respectively described governor circuit module, output circuit module, the second buffer circuit, modular circuit module, second communication circuit module power.
Further, first circuit board also comprises:
3rd buffer circuit, its input, output are electrically connected with the first communication circuit module, second communication circuit module respectively, after the signal of telecommunication for being exported by the first communication circuit module being converted to light signal, this light signal being converted to the signal of telecommunication and outputting to second communication circuit module; And
Second circuit board also comprises:
4th buffer circuit, its input, output are electrically connected with second communication circuit module, the first communication circuit module respectively, after the signal of telecommunication for being exported by second communication circuit module being converted to light signal, this light signal being converted to the signal of telecommunication and outputting to the first communication circuit module.
Preferably, first and second buffer circuit is all specially photoelectrical coupler; And
Third and fourth buffer circuit is all specially photoelectrical coupler.
Further, second circuit board also comprises: several signal isolators; And
Input, the output of described modular circuit module are electrically connected with described governor circuit module respectively by described signal isolator.
Further, described circuit board assembling device, also comprises: the protective layer being covered in described circuit board surface.
Preferably, the thickness of described protective layer is 15-25 μm.
Preferably, described protective layer is specially three anti-paints.
In the technical solution of the utility model, spring is provided with between circuit board in circuit board assembling device and the nut fixing this circuit board, be lined with elastic washer between circuit board and the housing of equipment, the performance that circuit board resistance to mechanical is impacted can be improved, thus the reliability of circuit board can be improved.
And, lay at circuit board surface and preserve layer, can the performance of intensifier circuit plate water proof and dust proof, acid-fast alkali-proof and resistance to electrostatic; Thus the reliability of circuit board can be improved further.
In addition, be provided with in the circuit board and the photoelectrical coupler inputted, output circuit is connected, can prevent outer signals from producing interference to the signal in the circuit of circuit board, the performance of the electromagnetism interference of circuit board can be improved; Thus improve the reliability of circuit board further.The photoelectrical coupler arranged between the circuit module of circuit board, signal isolator, can prevent interfering with each other between circuit module, is conducive to the performance of the electromagnetism interference improving circuit board.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing circuit board assembling device;
Fig. 2 is the structural representation of the circuit board assembling device of the utility model embodiment;
Fig. 3 is the block schematic illustration of the circuit structure of the circuit board of the utility model embodiment;
Fig. 4 is the internal truss frame structure schematic diagram of the second source module of the utility model embodiment;
Fig. 5 is the schematic diagram of the protective layer in the circuit board assembling device of the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, enumerate preferred embodiment referring to accompanying drawing, the utility model is further described.But it should be noted that, the many details listed in specification are only used to make reader to have a thorough understanding, even if do not have these specific details also can realize these aspects of the present utility model to one or more aspect of the present utility model.
Inventor of the present utility model considers, can between the circuit board of circuit board assembling device and the housing of equipment, increase flexible material layer between circuit board and nut; When circuit board assembling device suffers external impacts, changes mechanical energy can be interior can dissipation by these flexible material layers, can alleviate the mechanical shock that circuit board suffers, can prevent circuit board loss; Thus the reliability of circuit board can be improved.
And, on the circuit board of circuit board assembling device, layer protective layer can also be set up in the surface such as each integrated circuit, components and parts, circuit, to improve the performance of the resistance to high humility of circuit board, acid and alkali-resistance, improve the reliability of circuit board further.
In addition, isolating device can also be set the input/output terminal in the circuit board of circuit board assembling device, the signal in circuit board and the signal outside circuit board can be isolated, the ability of circuit board electromagnetism interference can be improved.
The technical scheme of the utility model embodiment is specifically introduced below in conjunction with accompanying drawing.
The structural representation of the circuit board assembling device in the equipment that is installed on (such as wireless access device) of the utility model embodiment as shown in Figure 2, comprising: multiple bolt 202, circuit board 203, multiple nuts 204, multiple elastic washer 205, multiple pad 206 and the multiple spring 207 supporting with multiple bolt 202.
One end of bolt 202 is fixed on the housing 201 of equipment.
Elastic washer 205 is through bolt 202.
Circuit board 203 offers installs through hole 231, and the installation through hole 231 of circuit board 203 is padded on elastic washer 205 through bolt 202.
Pad 206 passes bolt 202 and is padded on circuit board 203.
Spring 207 is padded on pad 206 through bolt 202; Nut 204 is tightened mutually with the other end of bolt 202, and contacts with spring 207.
The diameter of the installation through hole 231 in circuit board 203 is greater than the external diameter of bolt 202 and is less than the external diameter of elastic washer 205 and pad 206.
The internal diameter of elastic washer 205 is greater than the external diameter of bolt 202.
The internal diameter of pad 206 is greater than the external diameter of bolt 202 and is less than the external diameter of spring 207.
The internal diameter of spring 207 is greater than the external diameter of bolt 202 and is less than the external diameter of nut 204.
In the circuit board assembling device of the utility model embodiment, external force is absorbed to the mechanical shock of circuit board assembling device, absorb mechanical shock by elastic washer between circuit board and the housing of equipment by spring between nut and circuit board, substantially increase the performance that circuit board resistance to mechanical is impacted, thus improve the performance of circuit board assembling device resistance to mechanical impact, improve the reliability of circuit board.
In the circuit board assembling device of the utility model embodiment, one end of bolt 202 is welded on the inner surface of housing 201 of equipment.The material of elastic washer 205 is specially rubber.The material of pad 206 is specially nickel alloy, and quality is soft and decay resistance is stronger.
In the circuit board assembling device of the utility model embodiment, the block schematic illustration of the circuit structure of circuit board 203 as shown in Figure 3, specifically comprises first circuit board 301 and second circuit board 302.First circuit board 301 comprises: control circuit module 401, display circuit module 402, first buffer circuit 403, input circuit module 404, first communication circuit module 405.
Control circuit module 401 can be specifically MCU (Micro Controller Unit, micro-control unit), ARM (Advanced RISC Machine, Advanced Reduced Instruction Set machine) etc.First buffer circuit 403 can be specifically photoelectrical coupler.After photoelectrical coupler is used for that the signal of telecommunication of input is converted to light signal, this light signal is converted to the signal of telecommunication and exports, the signal of telecommunication realizing the signal of telecommunication of photoelectrical coupler input and output is isolated.The operation principle of photoelectric coupling implement body is well known to those skilled in the art, and repeats no more herein.
The input of the first buffer circuit 403, output are electrically connected with the output of input circuit module 404, control circuit module 401 respectively; After the signal of telecommunication for input circuit module 404 being exported being converted to light signal, this light signal being converted to the signal of telecommunication and outputting to control circuit module 401.
Display circuit module 402, first communication circuit module 405 is all electrically connected with control circuit module 401.
Second circuit board 302 comprises: governor circuit module 501, output circuit module 502, second buffer circuit 503, modular circuit module 504, communication circuit module 505.
Governor circuit module 501 can be specifically MCU, ARM etc.Second buffer circuit 503 can be specifically photoelectrical coupler.
Input, the output of output circuit module 502 are electrically connected with governor circuit module 501, second buffer circuit 503 respectively; After second buffer circuit 503 is converted to light signal for signal of telecommunication governor circuit module 501 exported, this light signal is converted to the signal of telecommunication and outputs to output circuit module 502.
Governor circuit module 501 is electrically connected with modular circuit module 504, communication circuit module 505 respectively.
Second communication circuit module 505 is electrically connected with the first communication circuit module 405.
In the circuit board assembling device of the utility model embodiment, the operation principle of circuit board 203 comprises: input circuit module 404 is transferred to control circuit module 401 by the first buffer circuit 403 after receiving the instruction of user's input; This instruction is forwarded to display circuit module 402 and shows by control circuit module 401, or this instruction is transferred to governor circuit module 501 by the first communication circuit module 405, second communication circuit module 505 successively; Governor circuit module 501 is operated according to analysis result, such as, after communicating according to analysis result and modular circuit module 504, is exported successively by result of communication by output circuit module 502, second buffer circuit 503 after resolving the instruction received; Or after result of communication is turned back to control circuit unit 401 by second communication circuit module 505, first communication circuit module 405 successively, shown by display circuit module 402.
In the circuit board assembling device of the utility model embodiment, first and second buffer circuit can prevent outer signals from producing interference to the signal in the circuit of circuit board, can improve the performance of the electromagnetism interference of circuit board; Multiple circuit module is separately positioned on two pieces of circuit boards, the interference between circuit module can be reduced; Thus the reliability of circuit board can be improved.
First circuit board 301 also comprises the first power module (not marking in figure), and for being respectively control circuit module 401, display circuit module 402, first buffer circuit 403, input circuit module 404, first communication circuit module 405 power.
Second circuit board 302 also comprises second source module (not marking in figure), and for being respectively governor circuit module 501, output circuit module 502, second buffer circuit 503, modular circuit module 504, second communication circuit module 505 power.
Modular circuit module 504 specifically comprises: GSM (Global System for Mobile Communications, global system for mobile communications) communication unit, 3G (3rd Generation wireless telephone technology, G mobile communication) communication unit, LTE (Time Division Long Term Evolution, time-division Long Term Evolution) communication unit, Big Dipper note unit, Wifi (Wireless Fidelity, WLAN (wireless local area network)) unit.Gsm communication unit, 3G communication unit, LTE communication unit, Big Dipper note unit, Wifi unit are electrically connected with governor circuit module 501 respectively.
The internal truss frame structure schematic diagram of second source module, as shown in Figure 4, specifically comprises: charging circuit unit 561, battery 562 and power supply circuits unit 563.
The output of charging circuit unit 561 is connected to battery 562, for charging for battery 562.
Power supply circuits unit 563 comprises: inverter, have the transformer of primary coil and multiple secondary coil and current rectifying and wave filtering circuit.
Battery 562 is connected to the primary coil of the transformer of power supply circuits unit 563 by the inverter in power supply circuits unit 563, multiple secondary coils of the transformer of power supply circuits unit 563 are connected to governor circuit module 501, output circuit module 502, second buffer circuit 503, modular circuit module 504, second communication circuit module 505 respectively by current rectifying and wave filtering circuit.Namely battery 562 is respectively governor circuit module 501 by power supply circuits unit 563, output circuit module 502, second buffer circuit 503, modular circuit module 504, second communication circuit module 505 power.By transformer-supplied, the current/voltage of transformer side can be prevented, interference is produced to the current/voltage of second coil side.
More excellent, first circuit board 301 also comprises the 3rd buffer circuit 407.Second circuit board 302 also comprises the 4th buffer circuit 507.
Input, the output of the 3rd buffer circuit 407 are electrically connected with the first communication circuit module 405, second communication circuit module 505 respectively, after the signal of telecommunication for being exported by the first communication circuit module 405 being converted to light signal, this light signal being converted to the signal of telecommunication and outputting to second communication circuit module 505.
Input, the output of the 4th buffer circuit 508 are electrically connected with second communication circuit module 505, first communication circuit module 405 respectively, after the signal of telecommunication for being exported by second communication circuit module 505 being converted to light signal, this light signal being converted to the signal of telecommunication and outputting to the first communication circuit module 405.3rd buffer circuit 407, the 4th buffer circuit 507 are all specially photoelectrical coupler.
First power module is also that the 3rd buffer circuit 407 is powered; Second source module is also that the 4th buffer circuit 507 is powered.3rd buffer circuit 407, the 4th buffer circuit 507 can reduce interfering with each other of the signal of telecommunication in first circuit board 301 and the signal of telecommunication in second circuit board 302 greatly, improve the performance of circuit board electromagnetism interference further.
More excellent, second circuit board 302 also comprises several signal isolators (not marking in figure); Input, the output of modular circuit module 504 are electrically connected with governor circuit module 501 respectively by signal isolator.The concrete connected mode, operation principle etc. of signal isolator is well known to those skilled in the art, and repeats no more herein.
More excellent, as shown in Figure 5, in the circuit board assembling device of the utility model embodiment, also comprise: the protective layer 208 being covered in circuit board 203 surface.Particularly, protective layer 208 covers control circuit module 401, display circuit module 402, first buffer circuit 403, input circuit module 404, first communication circuit module 405, first power module, the 3rd buffer circuit 407 in first circuit board 301, and on the surface of other components and parts (such as Chip-R, patch capacitor etc.) and printed circuit; Another protective layer 208 covers governor circuit module 501, output circuit module 502, second buffer circuit 503, modular circuit module 504, communication circuit module 505, second source module, the 4th buffer circuit 507 and each signal isolator in second circuit board 302, and on the surface of other components and parts and printed circuit.
Protective layer 232 is specially three anti-paints, such as, and the anti-paint of acrylate three, the anti-paint of polyurethane three, the anti-paint of organosilicon three.The thickness of protective layer 208 is specially 15-25 μm.
Protective layer 232 can the mechanical strength of intensifier circuit plate, the performance of intensifier circuit plate water proof and dust proof, acid-fast alkali-proof and resistance to electrostatic greatly; Thus the reliability of circuit board assembling device can be improved.
In the technical scheme of the utility model embodiment, spring is provided with between circuit board in circuit board assembling device and the nut fixing this circuit board, elastic washer is lined with between circuit board and the housing of equipment, the performance that circuit board resistance to mechanical is impacted can be improved, thus the reliability of circuit board can be improved.
And, lay at circuit board surface and preserve layer, can the performance of intensifier circuit plate water proof and dust proof, acid-fast alkali-proof and resistance to electrostatic; Thus the reliability of circuit board can be improved further.
In addition, be provided with in the circuit board and the photoelectrical coupler inputted, output circuit is connected, can prevent outer signals from producing interference to the signal in the circuit of circuit board, the performance of the electromagnetism interference of circuit board can be improved; Thus improve the reliability of circuit board further.The photoelectrical coupler arranged between the circuit module of circuit board, signal isolator, can prevent interfering with each other between circuit module, is conducive to the performance of the electromagnetism interference improving circuit board.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. be installed on the circuit board assembling device in equipment, it is characterized in that, comprising:
Bolt, its one end is fixed on the housing of described equipment;
Through the elastic washer of described bolt;
Circuit board, it offers installation through hole, and it is installed through hole and is padded on described elastic washer through described bolt;
Pad, is padded on described circuit board through described bolt;
Spring and nut, described spring is padded on described pad through described bolt; Described nut is tightened mutually with the other end of described bolt, and touches with described spring interface.
2. circuit board assembling device as claimed in claim 1, it is characterized in that, one end of described bolt is welded on the inner surface of described housing; And
The material of described elastic washer is specially rubber.
3. circuit board assembling device as claimed in claim 1, it is characterized in that, described circuit board specifically comprises: first circuit board and second circuit board; And
First circuit board comprises: control circuit module and input circuit module, the first buffer circuit that input, output are electrically connected with the output of described input circuit module, described control circuit module respectively, and the display circuit module be all electrically connected with described control circuit module and the first communication circuit module;
This light signal is converted to the signal of telecommunication and outputs to described control circuit module after being used for that the signal of telecommunication that described input circuit module exports is converted to light signal by the first buffer circuit;
Second circuit board comprises: the second buffer circuit that the output circuit module that governor circuit module, input are electrically connected with described governor circuit module, input are electrically connected with the output of described output circuit module, and the modular circuit module be all electrically connected with described governor circuit module and second communication circuit module;
This light signal is converted to the signal of telecommunication and outputs to described output circuit module after being used for that the signal of telecommunication that described governor circuit module exports is converted to light signal by the second buffer circuit;
First communication circuit module is electrically connected with second communication circuit module.
4. circuit board assembling device as claimed in claim 3, it is characterized in that, first circuit board also comprises:
First power module, for being respectively described control circuit module, display circuit module, the first buffer circuit, input circuit module, the first communication circuit module power; And
Second circuit board also comprises:
Second source module, for being respectively described governor circuit module, output circuit module, the second buffer circuit, modular circuit module, second communication circuit module power.
5. circuit board assembling device as claimed in claim 4, it is characterized in that, first circuit board also comprises:
3rd buffer circuit, its input, output are electrically connected with the first communication circuit module, second communication circuit module respectively, after the signal of telecommunication for being exported by the first communication circuit module being converted to light signal, this light signal being converted to the signal of telecommunication and outputting to second communication circuit module; And
Second circuit board also comprises:
4th buffer circuit, its input, output are electrically connected with second communication circuit module, the first communication circuit module respectively, after the signal of telecommunication for being exported by second communication circuit module being converted to light signal, this light signal being converted to the signal of telecommunication and outputting to the first communication circuit module.
6. the circuit board assembling device as described in as arbitrary in claim 3-5, it is characterized in that, first and second buffer circuit is all specially photoelectrical coupler; And
Third and fourth buffer circuit is all specially photoelectrical coupler.
7. the circuit board assembling device as described in as arbitrary in claim 3-5, it is characterized in that, second circuit board also comprises: several signal isolators; And
Input, the output of described modular circuit module are electrically connected with described governor circuit module respectively by described signal isolator.
8. the circuit board assembling device as described in as arbitrary in claim 1-5, is characterized in that, also comprise: the protective layer being covered in described circuit board surface.
9. circuit board assembling device as claimed in claim 8, it is characterized in that, the thickness of described protective layer is 15-25 μm.
10. circuit board assembling device as claimed in claim 8, it is characterized in that, described protective layer is specially three anti-paints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358695.6U CN204119699U (en) | 2014-06-30 | 2014-06-30 | Be installed on the circuit board assembling device in equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358695.6U CN204119699U (en) | 2014-06-30 | 2014-06-30 | Be installed on the circuit board assembling device in equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119699U true CN204119699U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358695.6U Active CN204119699U (en) | 2014-06-30 | 2014-06-30 | Be installed on the circuit board assembling device in equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954336A (en) * | 2017-04-27 | 2017-07-14 | 南京市罗奇泰克电子有限公司 | A kind of aluminium base sheet material positioner for circuit board substrate |
| CN107864589A (en) * | 2017-11-21 | 2018-03-30 | 武汉航空仪表有限责任公司 | A kind of multilayer circuit board mounting structure with antivibration effect |
-
2014
- 2014-06-30 CN CN201420358695.6U patent/CN204119699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106954336A (en) * | 2017-04-27 | 2017-07-14 | 南京市罗奇泰克电子有限公司 | A kind of aluminium base sheet material positioner for circuit board substrate |
| CN107864589A (en) * | 2017-11-21 | 2018-03-30 | 武汉航空仪表有限责任公司 | A kind of multilayer circuit board mounting structure with antivibration effect |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |