CN206523595U - Air conditioning for automobiles PCB detection device - Google Patents
Air conditioning for automobiles PCB detection device Download PDFInfo
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- CN206523595U CN206523595U CN201720043965.8U CN201720043965U CN206523595U CN 206523595 U CN206523595 U CN 206523595U CN 201720043965 U CN201720043965 U CN 201720043965U CN 206523595 U CN206523595 U CN 206523595U
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Abstract
Air conditioning for automobiles PCB detection device, including shell and detection circuit, detection circuit is provided with battery feed, ON grades of power supplys, servomotor, air blower, speed adjusting module, Engine ECU, overall wire sheaves, pressure switch, evaporator temperature sensor and tested PCB board state indicator；Air blower is connected with battery feed, speed adjusting module；Battery feed is also connected with the pin of PCB the three, the 17 to be measured；ON grades of power supplys are connected with the pin of PCB first and second to be measured；Speed adjusting module is connected with the pin of PCB the eight, the nine to be measured, and tested PCB board state indicator is set on the circuit that is connected；Servomotor two ends are connected with PCB the 15th to be measured, 16 pin respectively；Evaporator temperature sensor two ends are connected with PCB the 18th to be measured, 19 pin respectively；Engine ECU two ends are connected by pressure switch with overall wire sheaves, the pin of PCB to be measured 11st.
Description
Technical field
The utility model is related to air conditioning for automobiles PCB detection device.
Background technology
Automobile manual air-conditioning control panel has three adjusting knobs：Temperature adjustment knob, air quantity adjusting knob and pattern are adjusted
Save knob.Temperature adjustment knob and mode tuning knob are connected by bracing wire with air-conditioner host, and mechanical switching performance is more
It is stable.Air quantity is adjusted to electric control part, during automobile production, and the failure of airconditioning control panel feature is often fed back in general assembly, this
Usual is all that the defect of electric control part is caused.Usually need air-conditioning system to split to search Air-Conditioning Control Panel again for this
The reason for disabler.But the electric control part of current air quantity regulation lacks detection device before general assembly and it is detected, therefore
It is difficult to judge that the PCB for the electric control part that the air quantity of air-conditioning is adjusted is complete before whole air-conditioning system is installed and debugged
Good property；In addition, the PCB for the electric control part that may also be adjusted when installing air-conditioning system to air quantity causes to damage；In addition,
Air-Conditioning Control Panel disabler, it is also possible to be caused by regulation and control button failure.In a word, due to current automobile manual air-conditioning wind
The PCB of the electric control part of amount regulation lacks detection device before and after general assembly and it is detected, once therefore car hands
The problem of Air-Conditioning Control Panel disabler occur after dynamic air-conditioning installation, then be difficult the original for fast and effeciently finding failure
Thus carry out imputation processing and improved.
The content of the invention
Main inventive purpose of the present utility model is to provide a kind of air quantity regulation that can fast and effeciently judge air conditioning for automobiles
Electric control part PCB integrity equipment.
Technical scheme used in the utility model is：A kind of air conditioning for automobiles PCB detection device, including shell and set
In detection circuit, the installation fixed structure of PCB to be measured in shell；Include battery feed, ON on detection circuit
Shelves power supply, servomotor, air blower, speed adjusting module, Engine ECU, overall wire sheaves, pressure switch, evaporator temperature sensor
With tested PCB board state indicator；One end of air blower is connected with battery feed, and the other end is connected with speed adjusting module；
Battery feed is also connected with the three, the 17th pin of PCB to be measured simultaneously；ON grades of power supplys are while and PCB circuits to be measured
First, second pin of plate is connected；Speed adjusting module passes through corresponding circuit and the eight, the 9th pin phases of PCB to be measured respectively
Even, one article or two articles of the circuit that speed adjusting module is connected with the eight, the 9th pin of PCB to be measured is provided with tested PCB electricity
Road board status indicator；The two ends of servomotor respectively with PCB to be measured the 15th, the 16th pin is connected；Evaporator
The two ends of temperature sensor respectively with PCB to be measured the 18th, the 19th pin is connected；The two ends of Engine ECU pass through
Ten one pin of the pressure switch respectively with overall wire sheaves, PCB to be measured is connected.Further, on the detection circuit also
Include air blower relay, and battery feed pass through the coil of air blower relay and PCB to be measured the 17th
Pin is connected, and the normally-closed contact of air blower relay is connected with air blower, the normally opened contact and battery feed of air blower relay
It is connected.
In use, PCB to be measured is installed on the utility model first, corresponding power supply, Ran Houzhuan are connected
The adjustment column for being used to be connected with automobile manual air-conditioning control panel in PCB to be measured is moved, tested PCB board state is observed
The brightness change of indicator.Such as tested PCB board state indicator brightness normal variation, just illustrate tested PCB circuit board, instead
Then illustrate tested PCB circuit board.The integrity detection that the utility model can be used for before the assembling of corresponding PCB, also may be used
For being detected when occurring after assembling and the PCB pulled down being investigated in the case of Air-Conditioning Control Panel disabler, with
Carry out imputation processing beneficial to Air-Conditioning Control Panel corresponding function failure cause is fast and effeciently found and improved.
Preferably, also including rear frost removal and rear defrosting relay on the detection circuit；One end of frost removal and
6th pin of PCB to be measured is connected, and the other end is connected with one end of rear defrosting relay, rear the another of relay that defrost
End is connected with the 7th pin of PCB to be measured.Further preferably, also include light combination on the detection circuit to open
Close, the lamp light combined switch is connected with the 5th pin of PCB to be measured.This preferred scheme, can be to detected PCB electricity
Road plate is more accurately and reliably detected.
Preferably, the speed adjusting module includes MOS field-effect transistors, first resistor, second resistance and the 3rd electricity
Resistance；One end of first resistor is connected with air blower, and the other end is connected with the octal of PCB to be measured；MOS field effect transistors
The grid and air blower of pipe are connected, drain and air blower is connected, source electrode is then connected with one end of second resistance；Second resistance it is another
One end is then connected with air blower and 3rd resistor；The other end of 3rd resistor is connected with the 9th pin of PCB to be measured.Its
In：MOS field-effect transistors are managed for insulated gate depletion type N-MOS, are parallel between the drain electrode of MOS field-effect transistors and source electrode
First voltage-regulator diode；The second voltage-regulator diode, the 3rd voltage stabilizing are connected between the grid and source electrode of other MOS field-effect transistors
The input of diode, the second voltage-regulator diode and the 3rd voltage-regulator diode, which is connected, to be set.This preferred scheme, it is rational in infrastructure, make
Good with effect, service life is long.
In summary, the beneficial effects of the utility model are：, can be to that will be installed on automobile using the utility model
Corresponding PCB integrity carry out detection put on record, put together for PCB out of question and be transmitted to general assembly, it is right
Then stay and focused in problematic PCB；, can also be to being pulled down from car using the utility model
PCB detected, if detecting out of question, the reason for illustrating Air-Conditioning Control Panel disabler is in panel
On, if detecting PCB that is problematic and being transmitted to general assembly has no problem, illustrate what PCB went wrong
Reason is in general assembly.Therefore the utility model is utilized, effective analysis management can be realized to the corresponding assembly work of automobile.
Brief description of the drawings
Fig. 1 is detection conspectus of the present utility model；
In figure：Engine ECU 1, overall wire sheaves 2, pressure switch 3, rear defrosting relay 4, evaporator temperature sensor 5,
PCB 6 to be measured, rear frost removal 7, battery feed 8.1, ON grades of power supplys 8.2, speed adjusting module 9, first resistors 9.1, first
Voltage-regulator diode 9.2, MOS field-effect transistors 9.3, the second voltage-regulator diode 9.4, the 3rd voltage-regulator diode 9.5, second resistance
9.6th, 3rd resistor 9.7, fuse 1, fuse 2 10.2, fuse 3 10.3, air blower relay 11, air blower
12nd, servomotor 13, lamp light combined switch 14, PCB positioning indicator 15.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
As shown in figure 1, the utility model includes shell（Not shown in figure）With the detection circuit in shell, to be measured
The installation fixed structure of PCB 6（Not shown in figure）；Include battery feed 8.1, ON grade power supply on detection circuit
8.2nd, servomotor 13, air blower 12, speed adjusting module 9, Engine ECU 1, overall wire sheaves 2, pressure switch 3, evaporator temperature are passed
Sensor 5 and tested PCB board state indicator 15；One end of air blower is connected with battery feed, the other end and speed governing mould
Block is connected；Battery feed is also connected with the three, the 17th pin of PCB to be measured simultaneously；ON grades of power supplys are simultaneously and to be measured
First, second pin of PCB is connected；Speed adjusting module passes through the 8th, the of corresponding circuit and PCB to be measured respectively
Nine pin are connected, and one article or two articles of the circuit that speed adjusting module is connected with the eight, the 9th pin of PCB to be measured is provided with tested
PCB positioning indicator 15；The two ends of servomotor respectively with PCB to be measured the 15th, the 16th pin is connected；
The two ends of evaporator temperature sensor respectively with PCB to be measured the 18th, the 19th pin is connected；The two of Engine ECU
End is connected by the 11st pin of the pressure switch respectively with overall wire sheaves, PCB to be measured.Preferably, the detection line
Also include air blower relay 11, rear frost removal 7, rear defrosting relay 4 and lamp light combined switch 14 on road；Battery feed
8.1 are connected by the coil of air blower relay 11 with the 17th pin of PCB to be measured, air blower relay 11 it is normally closed
Contact is connected with air blower, and the normally opened contact of air blower relay 11 is connected with battery feed 8.1；One end of frost removal and treat
The 6th pin for surveying PCB is connected, and the other end is connected with one end of rear defrosting relay, the other end of rear defrosting relay
It is connected with the 7th pin of PCB to be measured；The lamp light combined switch 14 is connected with the 5th pin of PCB to be measured.
Preferably, the speed adjusting module 9 includes MOS field-effect transistors 9.3, first resistor 9.1, second resistance
9.6 and 3rd resistor 9.7；One end of first resistor 9.1 is connected with air blower 12, and the 8th of the other end and PCB to be measured the
Pin is connected；The grid and air blower 12 of MOS field-effect transistors 9.3 are connected, drain electrode and air blower 12 are connected, source electrode is then with second
One end of resistance 9.6 is connected；The other end of second resistance 9.6 is then connected with air blower 12 and 3rd resistor 9.7；3rd resistor
9.7 other end is connected with the 9th pin of PCB to be measured.The present embodiment, MOS field-effect transistors 9.3 consume for insulated gate
Type N-MOS pipes, are parallel with the first voltage-regulator diode 9.2, MOS effects to the greatest extent between the drain electrode of MOS field-effect transistors 9.3 and source electrode
The second voltage-regulator diode 9.4, the 3rd voltage-regulator diode 9.5, the second voltage stabilizing two are connected between the grid and source electrode of answering transistor 9.3
Pole pipe 9.4 is connected setting with the input of the 3rd voltage-regulator diode 9.5.
Preferably, the tested PCB board state indicator 15 is red led, the tested PCB circuit board
Positioning indicator 15 is arranged on the circuit that first resistor 9.1 is connected with the octal of PCB to be measured.
Preferably, battery feed 8.1 is connected at it with the 3rd pin of air blower relay 11 and PCB to be measured
Common line be provided with fuse 1, normally opened contact and battery feed 8.1 and air blast in air blower relay 11
Fuse 3 10.3 is provided between machine relay 11 and the connected point of the connected common line of the 3rd pin of PCB to be measured,
The common line that ON grades of power supplys 8.2 are connected with first, second pin of PCB to be measured is provided with fuse 2 10.2.
As preferred, the utility model is additionally provided with two earth points, one of earth point and MOS field-effect transistor
9.3 source electrode connection, another earth point is connected with the 20th pin of PCB to be measured.
Specific embodiment described above is only the present invention preferably embodiment, not limits the specific of the present invention with this
Practical range.The equivalence changes that all shape, structures according to the present invention are made ought to be all contained in protection scope of the present invention.
Claims (8)
1. a kind of air conditioning for automobiles PCB detection device, including shell and detection circuit, PCB to be measured electricity in shell
Road plate（6）Installation fixed structure；It is characterized in that：Include battery feed on detection circuit（8.1）, ON grades of power supplys（8.2）、
Servomotor（13）, air blower（12）, speed adjusting module（9）, Engine ECU（1）, overall wire sheaves（2）, pressure switch（3）, evaporation
Device temperature sensor（5）With tested PCB board state indicator（15）；One end of air blower is connected with battery feed, separately
One end is connected with speed adjusting module；Battery feed is also connected with the three, the 17th pin of PCB to be measured simultaneously；ON grades of electricity
Source is connected with first, second pin of PCB to be measured simultaneously；Speed adjusting module passes through corresponding circuit and PCB to be measured electricity respectively
Eight, the 9th pin of road plate are connected, one article of the circuit that speed adjusting module is connected with the eight, the 9th pin of PCB to be measured or
Two are provided with tested PCB board state indicator（15）；The two ends of servomotor respectively with PCB to be measured the tenth
5th, the 16th pin is connected；The two ends of evaporator temperature sensor respectively with PCB to be measured the 18th, the 19th pin phase
Even；Ten one pin of the two ends of Engine ECU by pressure switch respectively with overall wire sheaves, PCB to be measured is connected.
2. air conditioning for automobiles PCB detection device according to claim 1, it is characterized in that：On the detection circuit also
Include air blower relay（11）, battery feed（8.1）Pass through air blower relay（11）Coil and PCB circuits to be measured
17th pin of plate is connected, air blower relay（11）Normally-closed contact be connected with air blower, air blower relay（11）It is normal
Open contact and battery feed（8.1）It is connected.
3. air conditioning for automobiles PCB detection device according to claim 1, it is characterized in that：On the detection circuit also
Include rear frost removal（7）With rear defrosting relay（4）；One end of frost removal is connected with the 6th pin of PCB to be measured, separately
One end is connected with one end of rear defrosting relay, the other end of rear defrosting relay and the 7th pin phase of PCB to be measured
Even.
4. air conditioning for automobiles PCB detection device according to claim 1, it is characterized in that：On the detection circuit also
Include lamp light combined switch（14）, the lamp light combined switch（14）It is connected with the 5th pin of PCB to be measured.
5. the air conditioning for automobiles PCB detection device according to claim 1 or 2 or 3 or 4, it is characterized in that：The speed governing
Module（9）Include MOS field-effect transistors（9.3）, first resistor（9.1）, second resistance（9.6）And 3rd resistor（9.7）；
First resistor（9.1）One end and air blower（12）It is connected, the other end is connected with the octal of PCB to be measured；MOS effects
Answer transistor（9.3）Grid and air blower（12）It is connected, drains and air blower（12）Be connected, source electrode then with second resistance
（9.6）One end be connected；Second resistance（9.6）The other end then with air blower（12）And 3rd resistor（9.7）It is connected；3rd electricity
Resistance（9.7）The other end be connected with the 9th pin of PCB to be measured.
6. air conditioning for automobiles PCB detection device according to claim 5, it is characterized in that：MOS field-effect transistors
（9.3）Managed for insulated gate depletion type N-MOS.
7. air conditioning for automobiles PCB detection device according to claim 5, it is characterized in that：MOS field-effect transistors
（9.3）Drain electrode and source electrode between be parallel with the first voltage-regulator diode（9.2）.
8. air conditioning for automobiles PCB detection device according to claim 5, it is characterized in that：MOS field-effect transistors
（9.3）Grid and source electrode between be connected with the second voltage-regulator diode（9.4）, the 3rd voltage-regulator diode（9.5）, the pole of the second voltage stabilizing two
Pipe（9.4）With the 3rd voltage-regulator diode（9.5）Input be connected set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720043965.8U CN206523595U (en) | 2017-01-13 | 2017-01-13 | Air conditioning for automobiles PCB detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720043965.8U CN206523595U (en) | 2017-01-13 | 2017-01-13 | Air conditioning for automobiles PCB detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206523595U true CN206523595U (en) | 2017-09-26 |
Family
ID=59889844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720043965.8U Active CN206523595U (en) | 2017-01-13 | 2017-01-13 | Air conditioning for automobiles PCB detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206523595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021130179A1 (en) | 2021-11-18 | 2023-05-25 | Bayerische Motoren Werke Aktiengesellschaft | Adjusting a supply voltage of a system component of a vehicle |
-
2017
- 2017-01-13 CN CN201720043965.8U patent/CN206523595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021130179A1 (en) | 2021-11-18 | 2023-05-25 | Bayerische Motoren Werke Aktiengesellschaft | Adjusting a supply voltage of a system component of a vehicle |
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