CN205176651U - A change general circuit for BCM test - Google Patents
A change general circuit for BCM test Download PDFInfo
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- CN205176651U CN205176651U CN201521019137.8U CN201521019137U CN205176651U CN 205176651 U CN205176651 U CN 205176651U CN 201521019137 U CN201521019137 U CN 201521019137U CN 205176651 U CN205176651 U CN 205176651U
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Abstract
The utility model discloses a change general circuit for BCM test, its characterized in that: general circuit including the input converting circuit with output converting circuit, input converting circuit adopts digital quantity IO integrated circuit board to send digital signal control double - circuit relay K1, K2 closure and disconnection, and incoming signal connects on the common port, and VH connects on normally open contact, and VL connects on normally closed contact, and input converting circuit's incoming signal is VH, VL, unsettled three kinds of states input, since the above structure is adopted, the utility model is suitable for a different model BCM's functional test, need not to increase too much cost simple structure, makes things convenient for disposition of equipment and maintenance, and is with low costs.
Description
Technical field
The utility model relates to the technological improvement of technical field of automotive electronics, particularly a kind of conversion universal circuit for BCM test.
Background technology
Along with the development of automotive electronic technology, it is more and more universal that car body controller (hereinafter referred to as BCM) uses in Hyundai Motor.At BCM production link, its functional test is even more important.Traditional BCM production test equipment change-over circuit plate designs and develops based on the product function of BCM.BCM product function is generally divided into input signal, output signal, diagnostic signal etc.Different BCM, often functionally has very large difference, makes BCM production test equipment change-over circuit plate also different, poor universality.
For the problems referred to above, in the increasing situation of kind of BCM exploitation, a kind of novel conversion universal circuit is provided, is applicable to the functional test of different model BCM.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of conversion universal circuit for BCM test, in the increasing situation of kind of BCM exploitation, provides a kind of novel conversion universal circuit, is applicable to the functional test of different model BCM.
For achieving the above object, the technical solution of the utility model is, a kind of conversion universal circuit for BCM test, is characterized in that: described universal circuit comprises input change-over circuit and output conversion circuit; Input change-over circuit adopts digital quantity IO board transmission Digital Signals two-way relay K 1, K2 is closed and disconnect, input signal is connected on common port, VH is connected on normally opened contact, and VL is connected on normally closed contact, and the input signal of input change-over circuit is VH, VL, unsettled three kinds of states input; Output conversion circuit adopts digital quantity IO board transmission Digital Signals two-way relay K 3, K4 is closed and disconnect, output signal is connected on normally opened contact, public passage is connected on common port, public passage is connected on the normally opened contact of other two-way relay simultaneously, another road normally opened contact of two-way relay connects positive source or negative pole, its common port access electrical load devices output cathode or negative pole.
Described input change-over circuit when control signal IN1, IN2 not output low level time, input circuit does not have generation current, and the coil no current of two-way relay K 1, K2 flows through, and common and normally opened contact disconnect, with normally closed contact close; Namely contact COM1 and contact NO1, contact COM2 and contact NO2 disconnect, and contact COM1 contact and NC1, contact COM2 and contact NC2 close, and light emitting diode C1, C2 do not light.
Described input change-over circuit is as control signal IN1 or IN2 output low level, and contact COM2 is connected with contact NC1; When control signal IN1, IN2 all output low level time, contact COM2 is connected with contact NO1; When control signal IN1, IN2 not output low level time, contact COM2 is connected with contact NC2, realizes VH, VL, the input of unsettled three kinds of states.
In described output conversion circuit, contact COM3, contact COM14 connect public passage; Contact NO3, contact NO4 connect output signal; When control signal IN3, IN4 all output low level time, contact COM3 is connected with contact NO3, contact COM4 is connected with contact NO4; When control signal IN3, IN4 not output low level time, contact COM3 is connected with contact NC3, contact COM4 is connected with contact NC4.
Described output conversion circuit is when contact COM4 accesses the output terminal of electrical load devices, and contact NC4 is connected with contact COM3, and contact NO3 is connected with public passage; Contact NO4 connects the output terminal of power supply; When control signal IN3 output low level, contact COM4 is connected with contact NO3, outputs signal and is connected with the output terminal of electronic load.
For a conversion universal circuit for BCM test, owing to adopting above-mentioned structure, the utility model is applicable to the functional test of different model BCM, and structure is simple, without the need to increasing too much cost, facilitate equipment use and maintenance, cost is low.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail;
Fig. 1 is the circuit diagram inputting change-over circuit in a kind of conversion universal circuit for BCM test of the utility model;
Fig. 2 is a kind of circuit diagram for output conversion circuit in the conversion universal circuit of BCM test of the utility model;
Fig. 3 is that the utility model is a kind of for the circuit diagram in the conversion universal circuit of BCM test during output conversion circuit access electrical load devices.
Embodiment
As Figure 1-3, the utility model comprises input change-over circuit and output conversion circuit; Input change-over circuit adopts digital quantity IO board transmission Digital Signals two-way relay K 1, K2 is closed and disconnect, input signal is connected on common port, VH is connected on normally opened contact, and VL is connected on normally closed contact, and the input signal of input change-over circuit is VH, VL, unsettled three kinds of states input; Output conversion circuit adopts digital quantity IO board transmission Digital Signals two-way relay K 3, K4 is closed and disconnect, output signal is connected on normally opened contact, public passage is connected on common port, public passage is connected on the normally opened contact of other two-way relay simultaneously, another road normally opened contact of two-way relay connects positive source or negative pole, its common port access electrical load devices output cathode or negative pole.Output conversion circuit is by controlling this two-way relay closes and disconnection, and output signal the negative or positive electrode exported through public passage and electrical load devices and be connected, realizing high and low end drive output signal can detect.
Input change-over circuit comprises VCC, light emitting diode C1, control signal IN1 and composition input circuit 1; VCC, light emitting diode C2, control signal IN2 form input circuit 2.Input change-over circuit when control signal IN1, IN2 not output low level time, input circuit does not have generation current, and the coil no current of two-way relay K 1, K2 flows through, and common and normally opened contact disconnect, closed with normally closed contact; Namely contact COM1 and contact NO1, contact COM2 and contact NO2 disconnect, and contact COM1 contact and NC1, contact COM2 and contact NC2 close, and light emitting diode C1, C2 do not light.
Input change-over circuit is as control signal IN1 or IN2 output low level, and contact COM2 is connected with contact NC1; When control signal IN1, IN2 all output low level time, contact COM2 is connected with contact NO1; When control signal IN1, IN2 not output low level time, contact COM2 is connected with contact NC2, realizes VH, VL, the input of unsettled three kinds of states.
In output conversion circuit, contact COM3, contact COM14 connect public passage; Contact NO3, contact NO4 connect output signal; When control signal IN3, IN4 all output low level time, contact COM3 is connected with contact NO3, contact COM4 is connected with contact NO4; When control signal IN3, IN4 not output low level time, contact COM3 is connected with contact NC3, contact COM4 is connected with contact NC4.When contact COM4 accesses the output terminal of electrical load devices, contact NC4 is connected with contact COM3, and contact NO3 is connected with public passage; Contact NO4 connects the output terminal of power supply; When control signal IN3 output low level, contact COM4 is connected with contact NO3, outputs signal and is connected with the output terminal of electronic load.
Input change-over circuit is superposed by 32 input-cell circuitries, additional interface circuit forms jointly.There is provided input and detect to 32 road input signals simultaneously.Output conversion circuit is made up of jointly 14 output unit circuit and 2 superpositions of output unit control circuit, additional interface circuits.28 tunnel output signal bands can be controlled and carry detection.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the various improvement that technical solutions of the utility model are carried out; or directly apply to other occasion, all within protection domain of the present utility model without improving.
Claims (5)
1. for a conversion universal circuit for BCM test, it is characterized in that: described universal circuit comprises input change-over circuit and output conversion circuit; Input change-over circuit adopts digital quantity IO board transmission Digital Signals two-way relay K 1, K2 is closed and disconnect, input signal is connected on common port, VH is connected on normally opened contact, and VL is connected on normally closed contact, and the input signal of input change-over circuit is VH, VL, unsettled three kinds of states input; Output conversion circuit adopts digital quantity IO board transmission Digital Signals two-way relay K 3, K4 is closed and disconnect, output signal is connected on normally opened contact, public passage is connected on common port, public passage is connected on the normally opened contact of other two-way relay simultaneously, another road normally opened contact of two-way relay connects positive source or negative pole, its common port access electrical load devices output cathode or negative pole.
2. a kind of conversion universal circuit for BCM test according to claim 1, it is characterized in that: described input change-over circuit when control signal IN1, IN2 not output low level time, input circuit does not have generation current, the coil no current of two-way relay K 1, K2 flows through, common and normally opened contact disconnect, and close with normally closed contact; Namely contact COM1 and contact NO1, contact COM2 and contact NO2 disconnect, and contact COM1 contact and NC1, contact COM2 and contact NC2 close, and light emitting diode C1, C2 do not light.
3. a kind of conversion universal circuit for BCM test according to claim 1, is characterized in that: described input change-over circuit is as control signal IN1 or IN2 output low level, and contact COM2 is connected with contact NC1; When control signal IN1, IN2 all output low level time, contact COM2 is connected with contact NO1; When control signal IN1, IN2 not output low level time, contact COM2 is connected with contact NC2, realizes VH, VL, the input of unsettled three kinds of states.
4. a kind of conversion universal circuit for BCM test according to claim 1, is characterized in that: in described output conversion circuit, contact COM3, contact COM14 connect public passage; Contact NO3, contact NO4 connect output signal; When control signal IN3, IN4 all output low level time, contact COM3 is connected with contact NO3, contact COM4 is connected with contact NO4; When control signal IN3, IN4 not output low level time, contact COM3 is connected with contact NC3, contact COM4 is connected with contact NC4.
5. a kind of conversion universal circuit for BCM test according to claim 1, it is characterized in that: described output conversion circuit is when contact COM4 accesses the output terminal of electrical load devices, contact NC4 is connected with contact COM3, and contact NO3 is connected with public passage; Contact NO4 connects the output terminal of power supply; When control signal IN3 output low level, contact COM4 is connected with contact NO3, outputs signal and is connected with the output terminal of electronic load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019137.8U CN205176651U (en) | 2015-12-07 | 2015-12-07 | A change general circuit for BCM test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019137.8U CN205176651U (en) | 2015-12-07 | 2015-12-07 | A change general circuit for BCM test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205176651U true CN205176651U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521019137.8U Expired - Fee Related CN205176651U (en) | 2015-12-07 | 2015-12-07 | A change general circuit for BCM test |
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| CN (1) | CN205176651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589452A (en) * | 2015-12-07 | 2016-05-18 | 埃泰克汽车电子(芜湖)有限公司 | BCM test conversion general circuit |
-
2015
- 2015-12-07 CN CN201521019137.8U patent/CN205176651U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589452A (en) * | 2015-12-07 | 2016-05-18 | 埃泰克汽车电子(芜湖)有限公司 | BCM test conversion general circuit |
| CN105589452B (en) * | 2015-12-07 | 2018-07-03 | 埃泰克汽车电子(芜湖)有限公司 | A kind of BCM test conversions universal circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161207 |