CN105589452B - A kind of BCM test conversions universal circuit - Google Patents
A kind of BCM test conversions universal circuit Download PDFInfo
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- CN105589452B CN105589452B CN201510907302.1A CN201510907302A CN105589452B CN 105589452 B CN105589452 B CN 105589452B CN 201510907302 A CN201510907302 A CN 201510907302A CN 105589452 B CN105589452 B CN 105589452B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
Abstract
The invention discloses a kind of BCM test conversions universal circuits, it is characterised in that：The universal circuit includes input conversion circuit and output conversion circuit；Conversion circuit is inputted to send Digital Signals two-way relay K1, K2 closure using digital quantity I O board card and disconnect, input signal is connected on common end, VH is connected on normally opened contact, and VL is connected on normally-closed contact, and the input signal for inputting conversion circuit is VH, VL, hanging three kinds of states input；Due to the above structure, the present invention is suitable for the functional test of different model BCM, simple in structure, need not increase excessive cost, facilitates equipment use and maintenance, at low cost.
Description
Technical field
The present invention relates to the technological improvement of technical field of automotive electronics, more particularly to a kind of BCM test conversions universal circuit.
Background technology
With the development of automotive electronic technology, car body controller (hereinafter referred to as BCM) use in modern automobiles it is more next
It is more universal.In BCM production links, functional test is even more important.Traditional BCM production test equipment conversion circuit plates are to be based on
The product function of BCM is designed and developed.BCM product functions are generally divided into input signal, output signal, diagnostic signal etc..No
Same BCM, often functionally has very big difference so that BCM production test equipment conversion circuit plates are also different, versatility
Difference.
In view of the above-mentioned problems, in the case where the kind of BCM exploitations is more and more, a kind of general electricity of novel conversion is provided
Road, suitable for the functional test of different model BCM.
Invention content
The technical problem to be solved by the invention is to provide a kind of BCM test conversions universal circuit, in the product of BCM exploitations
In the case that kind is more and more, a kind of novel conversion universal circuit is provided, suitable for the functional test of different model BCM.
In order to achieve the above objectives, the technical scheme is that, a kind of BCM test conversions universal circuit, it is characterised in that：
The universal circuit includes input conversion circuit and output conversion circuit；Conversion circuit is inputted to send using digital quantity I O board card
Digital Signals two-way relay K1, K2 are closed and disconnect, and input signal is connected on common end, and VH is connected on normally opened contact,
VL is connected on normally-closed contact, and the input signal for inputting conversion circuit is VH, VL, hanging three kinds of states input；Output conversion circuit
Digital Signals two-way relay K3, K4 are sent using digital quantity I O board card to be closed and disconnect, output signal is connected on normally opened touch
On point, public passage is connected on common end, while public passage is connected on the normally opened contact of other two-way relay, two-way relay
The another way normally opened contact of device connects positive pole or cathode, common end access electrical load devices output cathode or cathode.
For the input conversion circuit when signal IN1, IN2 is controlled not to export low level, input circuit does not generate electricity
Stream, the coil no current of two-way relay K1, K2 flow through, and common is disconnected with normally opened contact, are closed with normally-closed contact；Connect
Point COM1 and contact NO1, contact COM2 and contact NO2 are disconnected, and contact COM1 contacts and NC1, contact COM2 and contact NC2 are closed
It closes, light emitting diode C1, C2 are not lighted.
The input conversion circuit is when controlling signal IN1 or IN2 output low level, contact COM2 and contact NC1 phases
Even；When signal IN1, IN2 is controlled all to export low level, contact COM2 is connected with contact NO1；When control signal IN1, IN2 all
When not exporting low level, contact COM2 is connected with contact NC2, realizes VH, VL, the input of hanging three kinds of states.
Contact COM3, contact COM4 connect public passage in the output conversion circuit；Contact NO3, contact NO4 connect output
Signal；When signal IN3, IN4 is controlled all to export low level, contact COM3 is connected with contact NO3, contact COM4 and contact NO4
It is connected；When signal IN3, IN4 is controlled not to export low level, contact COM3 is connected with contact NC3, contact COM4 and contact
NC4 is connected.
The output conversion circuit is when the output terminal of contact COM4 access electrical load devices, contact NC4 and contact
COM3 is connected, and contact NO3 is connected with public passage；Contact NO4 connects the output terminal of power supply；When control signal IN3 output low levels
When, contact COM4 is connected with contact NO3, and output signal is connected with the output terminal of electronic load.
A kind of BCM test conversions universal circuit, due to the above structure, the present invention is suitable for different model BCM's
Functional test, it is simple in structure, excessive cost need not be increased, facilitate equipment use and maintenance, it is at low cost.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments；
Fig. 1 is the circuit diagram that conversion circuit is inputted in a kind of BCM test conversions universal circuit of the present invention；
Fig. 2 is the circuit diagram of output conversion circuit in a kind of BCM test conversions universal circuit of the present invention；
When Fig. 3 is output conversion circuit access electrical load devices in a kind of BCM test conversions universal circuit of the present invention
Circuit diagram.
Specific embodiment
As shown in Figs. 1-3, the present invention includes input conversion circuit and output conversion circuit；Conversion circuit is inputted using number
It measures I O board card to send Digital Signals two-way relay K1, K2 closure and disconnect, input signal is connected on common end, and VH is connected on
On normally opened contact, VL is connected on normally-closed contact, and the input signal for inputting conversion circuit is VH, VL, hanging three kinds of states input；It is defeated
Go out conversion circuit to send Digital Signals two-way relay K3, K4 closure using digital quantity I O board card and disconnect, output signal
It is connected on normally opened contact, public passage is connected on common end, while public passage is connected on the normally opened contact of other two-way relay
On, the another way normally opened contact of two-way relay connects positive pole or cathode, and the output of common end access electrical load devices is just
Pole or cathode.Output conversion circuit is by controlling this two-way relay to be closed and disconnect, and output signal is through public passage and electronics
The positive or negative pole of load equipment output is connected, and realizes that high and low end drive output signal can detect.
It inputs conversion circuit and includes VCC, light emitting diode C1, control signal IN1 and composition input circuit 1；VCC, it shines
Diode C2, control signal IN2 composition input circuits 2.Input conversion circuit does not export low level as control signal IN1, IN2
When, input circuit does not generate electric current, and the coil no current of two-way relay K1, K2 flow through, and common is broken with normally opened contact
It opens, is closed with normally-closed contact；That is contact COM1 and contact NO1, contact COM2 and contact NO2 are disconnected, contact COM1 contacts and
NC1, contact COM2 and contact NC2 are closed, and light emitting diode C1, C2 are not lighted.
Conversion circuit is inputted when controlling signal IN1 or IN2 output low level, contact COM2 is connected with contact NC1；Work as control
When signal IN1, IN2 processed export low level, contact COM2 is connected with contact NO1；It is low when signal IN1, IN2 is controlled not to export
During level, contact COM2 is connected with contact NC2, realizes VH, VL, the input of hanging three kinds of states.
Contact COM3, contact COM4 connect public passage in output conversion circuit；Contact NO3, contact NO4 connect output signal；
When signal IN3, IN4 is controlled all to export low level, contact COM3 is connected with contact NO3, contact COM4 is connected with contact NO4；
When signal IN3, IN4 is controlled not to export low level, contact COM3 is connected with contact NC3, contact COM4 and contact NC4 phases
Even.When the output terminal of contact COM4 access electrical load devices, contact NC4 is connected with contact COM3, contact NO3 and public logical
Road is connected；Contact NO4 connects the output terminal of power supply；When controlling signal IN3 output low levels, contact COM4 is connected with contact NO3,
Output signal is connected with the output terminal of electronic load.
Input conversion circuit is collectively constituted by 32 input-cell circuitries superpositions, additional interface circuits.32 can be given simultaneously
Road input signal provides input and detection.Output conversion circuit is by 14 output unit circuits and 2 output unit control electricity
Road superposition, additional interface circuit collectively constitute.Controllable 28 tunnel output signal band carries detection.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that present invention specific implementation is not by aforesaid way
Limitation, as long as employ technical solution of the present invention progress various improvement or not improved directly applying to other occasions,
Within protection scope of the present invention.
Claims (3)
1. a kind of BCM test conversions universal circuit, it is characterised in that：The universal circuit includes input conversion circuit and defeated
Go out conversion circuit；It inputs conversion circuit and Digital Signals two-way relay K1, K2 closure is sent using digital quantity IO boards
With disconnection, input signal is connected on the COM2 of common end, and VH is connected on normally opened contact NO1, and VL is connected on normally-closed contact NC1, defeated
The input signal for entering conversion circuit is VH, VL, hanging three kinds of states input；Output conversion circuit is sent out using digital quantity IO boards
Digital Signals two-way relay K3, K4 is sent to be closed and disconnect, output signal is connected on normally opened contact, and public passage is connected on
On common end, while public passage is connected on the normally opened contact all the way of two-way relay, and the another way of two-way relay is normally opened to be touched
Point connects positive pole or cathode, common end access electrical load devices output cathode or cathode；
For the input conversion circuit when signal IN1, IN2 is controlled not to export low level, input circuit does not generate electric current,
The coil no current of two-way relay K1, K2 flow through, and common is disconnected with normally opened contact, are closed with normally-closed contact；That is contact
COM1 and contact NO1, contact COM2 and contact NO2 are disconnected, contact COM1 and contact NC1, contact COM2 and contact NC2
It is closed；The input conversion circuit is when controlling signal IN1 not export low level, IN2 output low levels, contact COM2
It is connected with contact NC1；When signal IN1, IN2 is controlled all to export low level, contact COM2 is connected with contact NO1；Work as control
When signal IN1, IN2 do not export low level, contact COM2 is connected with contact NC2, realizes that VH, VL, hanging three kinds of states are defeated
Enter；
Wherein, contact COM1, contact NO1, the contact that contact NC1 is relay K1；Contact COM2, contact NO2, contact NC2 are
The contact of relay K2；Control signal IN1, IN2 are the control signal for inputting conversion circuit, for controlling two-way relay respectively
The closure of K1, K2 and disconnection；Contact COM1, COM2 are common, and contact NO1, NO2 are normally opened contact, and contact NC1, NC2 are
Normally-closed contact.
2. a kind of BCM test conversions universal circuit according to claim 1, it is characterised in that：The output conversion
Contact COM3, contact COM4 connect public passage in circuit；Contact NO3, contact NO4 connect output signal；When control signal IN3,
When IN4 exports low level, contact COM3 is connected with contact NO3, contact COM4 is connected with contact NO4；Work as control
When signal IN3, IN4 do not export low level, contact COM3 is connected with contact NC3, contact COM4 is connected with contact NC4,
Contact COM3, contact NO3, the contact that contact NC3 is relay K3；Contact COM4, contact NO4, contact NC4 are relay
The contact of K4；The control signal that signal IN3, IN4 are output conversion circuit is controlled, for controlling two-way relay K3, K4 respectively
Closure and disconnection；Contact CMO3, COM4 are common, and contact NO3, NO4 are normally opened contact, and contact NC3, NC4 are normally closed
Contact.
3. a kind of BCM test conversions universal circuit according to claim 1, it is characterised in that：The output conversion
Circuit when contact COM4 access electrical load devices output terminal when, contact NC4 is connected with contact COM3, contact NO3 and
Public passage is connected；Contact NO4 connects the output terminal of power supply；When controlling signal IN3 output low levels, contact COM4 is with connecing
Point NO3 is connected, and output signal is connected with the output terminal of electronic load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907302.1A CN105589452B (en) | 2015-12-07 | 2015-12-07 | A kind of BCM test conversions universal circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907302.1A CN105589452B (en) | 2015-12-07 | 2015-12-07 | A kind of BCM test conversions universal circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105589452A CN105589452A (en) | 2016-05-18 |
| CN105589452B true CN105589452B (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510907302.1A Active CN105589452B (en) | 2015-12-07 | 2015-12-07 | A kind of BCM test conversions universal circuit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106980312A (en) * | 2016-12-30 | 2017-07-25 | 埃泰克汽车电子(芜湖)有限公司 | A kind of change-over circuit tested for BCM |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166690Y (en) * | 2007-09-03 | 2008-12-17 | 电信科学技术第五研究所 | Cable test system |
| CN201285668Y (en) * | 2008-11-06 | 2009-08-05 | 北京广利核系统工程有限公司 | Test apparatus for reactor protection system logical function test |
| CN203276021U (en) * | 2013-05-02 | 2013-11-06 | 联合汽车电子有限公司 | General testing device for vehicle body controller |
| CN103808974A (en) * | 2012-11-05 | 2014-05-21 | 英业达科技有限公司 | Switchboard device |
| CN203745898U (en) * | 2013-12-19 | 2014-07-30 | 埃泰克汽车电子(芜湖)有限公司 | BCM function detection device |
| CN205176651U (en) * | 2015-12-07 | 2016-04-20 | 埃泰克汽车电子(芜湖)有限公司 | A change general circuit for BCM test |
-
2015
- 2015-12-07 CN CN201510907302.1A patent/CN105589452B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166690Y (en) * | 2007-09-03 | 2008-12-17 | 电信科学技术第五研究所 | Cable test system |
| CN201285668Y (en) * | 2008-11-06 | 2009-08-05 | 北京广利核系统工程有限公司 | Test apparatus for reactor protection system logical function test |
| CN103808974A (en) * | 2012-11-05 | 2014-05-21 | 英业达科技有限公司 | Switchboard device |
| CN203276021U (en) * | 2013-05-02 | 2013-11-06 | 联合汽车电子有限公司 | General testing device for vehicle body controller |
| CN203745898U (en) * | 2013-12-19 | 2014-07-30 | 埃泰克汽车电子(芜湖)有限公司 | BCM function detection device |
| CN205176651U (en) * | 2015-12-07 | 2016-04-20 | 埃泰克汽车电子(芜湖)有限公司 | A change general circuit for BCM test |
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| CN105589452A (en) | 2016-05-18 |
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Address after: 241000 No. 48, Yinhu North Road, Wuhu District, China (Anhui) Free Trade Pilot Zone, Wuhu City, Anhui Province Patentee after: Wuhu Etec Automotive Electronics Co.,Ltd. Address before: 241000 No. 48, Yinhu North Road, Wuhu Economic and Technological Development Zone, Anhui Province Patentee before: ATECH AUTOMOTIVE (WUHU) Co.,Ltd. |
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