CN104535849A - Switch module and combined instrument test system with switch module - Google Patents
Switch module and combined instrument test system with switch module Download PDFInfo
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- CN104535849A CN104535849A CN201410557817.9A CN201410557817A CN104535849A CN 104535849 A CN104535849 A CN 104535849A CN 201410557817 A CN201410557817 A CN 201410557817A CN 104535849 A CN104535849 A CN 104535849A
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Abstract
The invention discloses a switch module and a combined instrument test system with the switch module. The switch module comprises a single-pole double-throw switch group, a first port module and a second port module, wherein the single-pole double-throw switch group comprises multiple single-pole double-throw switches, each single-pole double-throw switch comprises a first static end, a moving end and a second static end, and the second static end is grounded; the input end of the first port module is electrically connected with the moving ends of the single-pole double-throw switches to transmit electrical signals; the input end of the second port module is electrically connected with the moving ends of the single-pole double-throw switches to transmit electrical signals; when the first port module transmits the electrical signals to the switch group, the moving ends and the first static ends of the single-pole double-through switches are closed so that the first port module is electrically connected with the second port module, and the electrical signals transmitted by the first port module are transmitted to the second port module. Thus, combined instrument test is electronic, and the test efficiency is effectively improved.
Description
Technical field
The present invention relates to automobile component technical field of measurement and test, particularly relate to a kind of switch module, and there is the combination instrument test system of described switch module.
Background technology
Along with the development of automotive electronics, as the combination instrument of interactive interface, the operational factor being supplied to driver is needed to get more and more, and then make the display information of combination instrument also day by day complicated, the time to the function of combination instrument is tested must be made to lengthen, and this causes the working strength of tester constantly to increase.
In order to improve the work efficiency of combination instrument functional test, meeting the requirement of automotive electronics development, needing a flexible and efficient combination instrument test system badly.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
First object of the present invention is to propose a kind of switch module.
The switch module of embodiment according to a first aspect of the present invention, described switch module comprises:
Single-pole double-throw switch (SPDT) group, described single-pole double-throw switch (SPDT) group comprises multiple single-pole double-throw switch (SPDT), and described single-pole double-throw switch (SPDT) has the first not moved end, not moved end, moved end and second, described second motionless end ground connection;
First port module, the input end of described first port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), and described first port module is for transmitting electric signal;
Second port module, the input end of described second port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), and described second port module is for transmitting electric signal;
When described first port module transmits electric signal to described switch module, the moved end of described single-pole double-throw switch (SPDT) is with described first moved end is closed makes to be electrically connected between described first port module and described second port module, and the electrical signal transfer transmitted by described first port module is to described second port module.
From the first port module input electrical signal, single-pole double-throw switch (SPDT) group is passed to by described first port module, single-pole double-throw switch (SPDT) in described single-pole double-throw switch (SPDT) group closes, namely the moved end of described single-pole double-throw switch (SPDT) is with first moved end is closed makes described first port module be electrically connected with described 3rd port module, and then described second port module will be passed to from the first port module input electrical signal, like this, this switch module is connected with corresponding load module, the test to combination instrument function can be realized, namely the electronization of combination instrument test is realized, improve the work efficiency of combination instrument test.
In addition, switch module according to the above embodiment of the present invention can also have following additional technical feature:
According to one embodiment of present invention, described switch module also comprises the 3rd port module, the input end of described 3rd port module with described first of described single-pole double-throw switch (SPDT) not moved end be electrically connected, described 3rd port module is used for the transmission of electric signal;
When described 3rd port module transmits electric signal to described switch module, the moved end of described single-pole double-throw switch (SPDT) is with described first moved end is closed makes to be electrically connected between described 3rd port module and described second port module, and the electrical signal transfer transmitted by described 3rd port module is to described second port module.
According to one embodiment of present invention, described second port module comprises the 4th port module and five-port module, the described input end of the 4th port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), described 4th port module is for transmitting electric signal, the input end of described five-port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), described five-port module is for transmitting electric signal, in parallel between described 4th port module and described five-port module.
According to one embodiment of present invention, described first port module comprises CAN_L port and CAN_H port, and described CAN_L port and CAN_H port are electrically connected with the described moved end of described single-pole double-throw switch (SPDT).
According to one embodiment of present invention, the quantity of described single-pole double-throw switch (SPDT) and the port number of described 4th port module or described five-port module suitable.
First object of the present invention is to propose a kind of combination instrument test system.
The combination instrument test system of embodiment according to a first aspect of the present invention, described combination instrument system comprises:
First load module, described load module inputs for generation of electric signal;
Information transfer module, the input end of described information transfer module is electrically connected with the output terminal of described first load module, the electric signal that described information transfer module produces for transmitting described load module;
Switch module, described switch module is above-mentioned switch module, and described second port module is for transmitting the electric signal of described switch module to combination instrument.
According to one embodiment of present invention, described combination instrument system also comprises:
Second load module, described second load module is electrically connected with described 3rd port module of described switch module, and described second load module inputs for generation of electric signal.
According to one embodiment of present invention, described information transfer module is CAN module.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is embodiment of the present invention theory structure schematic diagram;
Fig. 2 is the structural representation of embodiment of the present invention breaker in middle module;
Fig. 3 is the electrical schematic diagram of embodiment of the present invention breaker in middle module.
In figure: 110-first load module, 120-second load module, 220-information transfer module, 300-switch module, 310-first port module, 320-the 3rd port module, 330-single-pole double-throw switch (SPDT) group, 331-single-pole double-throw switch (SPDT), 332-first not moved end, 333-moved end, 334-second not moved end, 340-second port module, 341-the 4th port module, 342-five-port module, 400-combination instrument, 410-first combination instrument, 420-second combination instrument.
Embodiment
Below in conjunction with drawings and Examples, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As shown in Figure 1 to Figure 3, according to the switch module 300 of the embodiment of the present invention, described switch module 300 comprises:
Single-pole double-throw switch (SPDT) group 330, described single-pole double-throw switch (SPDT) group comprises multiple single-pole double-throw switch (SPDT) 331, and described single-pole double-throw switch (SPDT) has the first not moved end 332, not moved end 334, moved end 333 and second, the described second not moved end 334 ground connection;
First port module 310, the input end of described first port module is electrically connected with the described moved end 333 of described single-pole double-throw switch (SPDT), and described first port module is for transmitting electric signal;
Second port module 340, the input end of described second port module is electrically connected with the described moved end 333 of described single-pole double-throw switch (SPDT), and described second port module is for transmitting electric signal;
When described first port module 310 transmits electric signal to described switch module 300, the moved end 333 of described single-pole double-throw switch (SPDT) is with described first moved end 332 is closed makes be electrically connected between described first port module 310 and described second port module 340, and electrical signal transfer extremely described second port module that described first port module is transmitted.
From the first port module input electrical signal, single-pole double-throw switch (SPDT) group is passed to by described first port module, single-pole double-throw switch (SPDT) in described single-pole double-throw switch (SPDT) group closes, namely the moved end of described single-pole double-throw switch (SPDT) is with first moved end is closed makes described first port module be electrically connected with described 3rd port module, and then described second port module will be passed to from the first port module input electrical signal, like this, this switch module is connected with corresponding load module, the test to combination instrument function can be realized, namely the electronization of combination instrument test is realized, improve the work efficiency of combination instrument test.
Further, described switch module also comprises the 3rd port module 320, the input end of described 3rd port module 320 with described first of described single-pole double-throw switch (SPDT) not moved end 332 be electrically connected, described 3rd port module 320 is for the transmission of electric signal;
When described 3rd port module transmits electric signal to described switch module, the moved end 333 of described single-pole double-throw switch (SPDT) is with described first moved end 332 is not closed produces electric signal and input to described second port module 340.
Like this, described 3rd port module can be electrically connected with another load module, makes described switch module can carry out the test job of combination instrument under two states, makes the test environment variation of combination instrument function.
Further, described second port module 340 comprises the 4th port module 341 and five-port module 342, the described input end of the 4th port module 341 is electrically connected with the described moved end 333 of described single-pole double-throw switch (SPDT), described 4th port module 341 is for transmitting electric signal, the input end of described five-port module 342 is electrically connected with the described moved end 333 of described single-pole double-throw switch (SPDT), described five-port module 342 is for transmitting electric signal, in parallel between described 4th port module 341 and described five-port module 342.
Like this, because combination instrument 400 comprises the first combination instrument 410 and the second combination instrument 420, described 4th port module 341 and five-port module 342 can be electrically connected with the first combination instrument 410 and the second combination instrument 420 respectively, improve the work efficiency of the test of combination instrument function better.
Simultaneously, when inputting the electric signal of a certain function, through the first port module, single-pole double-throw switch (SPDT) group and the second port module, i.e. the 4th port module 341 and five-port module 342, then, by electrical signal transfer to the first combination instrument 410 and the second combination instrument 420, if speed of a motor vehicle electric signal, as 20km/h, indication range should be 20.6km/h-23.1km/h, then can pass through the display situation of the first combination instrument 410 and the second combination instrument 420, their this function be compared, that combination instrument that selection function is more accurate; If left steering electric signal, then can pass through the display situation of the first combination instrument 410 and the second combination instrument 420, color is that bottle green, green and light green color etc. compare their this function, that combination instrument that same selection function is more accurate.
Further, described first port module 310 comprises CAN_L port and CAN_H port, and described CAN_L port and CAN_H port are electrically connected with the described moved end 333 of described single-pole double-throw switch (SPDT).
Further, described first port module 310 comprises KL15 port and KL30 port, described KL15 port and KL30 port and described single-pole double-throw switch (SPDT) described first not moved end 332 be electrically connected, like this, can force to power to switch module, meanwhile, described KL15 port and KL30 port are electrically connected with pilot lamp.
Further, the quantity of described single-pole double-throw switch (SPDT) and the port number of described 4th port module 341 or described five-port module 342 suitable.
Like this, described 4th port module 341 and five-port module 342 can be electrically connected with the first combination instrument 410 and the second combination instrument 420 respectively, the quantity of the stitch of the port number of described 4th port module 341 and five-port module 342 and the first combination instrument 410 and the second combination instrument 420 is consistent, and then the quantity of the quantity of described single-pole double-throw switch (SPDT) and the stitch of the first combination instrument 410 and the second combination instrument 420 is suitable.
According to the combination instrument test system of the embodiment of the present invention, described combination instrument system comprises:
First load module 110, described load module inputs for generation of electric signal;
Information transfer module 200, the input end of described information transfer module 200 is electrically connected with the output terminal of described first load module 110, the electric signal that described information transfer die 200 pieces produces for transmitting described load module, preferentially, described information transfer module is CAN module;
Switch module 300, described switch module is above-mentioned switch module, and described second port module is for transmitting the electric signal of described switch module to combination instrument 400.
Like this, first load module produces the electric signal of a certain function of combination instrument, preferentially, first load module is PC, the first port module is passed to through information transfer module, single-pole double-throw switch (SPDT) group is passed to through the first port module, through the moved end of single-pole double-throw switch (SPDT) and first moved end does not close time, further above-said current signal is passed in the second port module, and then be passed to combination instrument, complete the test of this function of combination instrument, this test macro effectively improves the work efficiency of combination instrument functional test, reduces the working strength of tester.
Further, described combination instrument system also comprises:
Second load module 120, described second load module 120 is electrically connected with described 3rd port module 320 of described switch module 300, and described second load module inputs for generation of electric signal.
Like this, second load module produces the electric signal of a certain function of combination instrument, preferentially, second load module is car load ECU, is passed to single-pole double-throw switch (SPDT) group through the 3rd port module, through the moved end of single-pole double-throw switch (SPDT) and first moved end does not close time, further above-said current signal is passed in the second port module, and then be passed to combination instrument, complete the test of combination instrument this function in another case, improve the variation of this system applied environment.
The foregoing is only the schematic embodiment of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (8)
1. a switch module, is characterized in that: described switch module comprises:
Single-pole double-throw switch (SPDT) group, described single-pole double-throw switch (SPDT) group comprises multiple single-pole double-throw switch (SPDT), and described single-pole double-throw switch (SPDT) has the first not moved end, not moved end, moved end and second, described second motionless end ground connection;
First port module, the input end of described first port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), and described first port module is for transmitting electric signal;
Second port module, the input end of described second port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), and described second port module is for transmitting electric signal;
When described first port module transmits electric signal to described switch module, the moved end of described single-pole double-throw switch (SPDT) is with described first moved end is closed makes to be electrically connected between described first port module and described second port module, and the electrical signal transfer transmitted by described first port module is to described second port module.
2. switch module according to claim 1, it is characterized in that: described switch module also comprises the 3rd port module, the input end of described 3rd port module with described first of described single-pole double-throw switch (SPDT) not moved end be electrically connected, described 3rd port module is used for the transmission of electric signal;
When described 3rd port module transmits electric signal to described switch module, the moved end of described single-pole double-throw switch (SPDT) is with described first moved end is closed makes to be electrically connected between described 3rd port module and described second port module, and the electrical signal transfer transmitted by described 3rd port module is to described second port module.
3. switch module according to claim 1 and 2, it is characterized in that: described second port module comprises the 4th port module and five-port module, the described input end of the 4th port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), described 4th port module is for transmitting electric signal, the input end of described five-port module is electrically connected with the described moved end of described single-pole double-throw switch (SPDT), described five-port module is for transmitting electric signal, in parallel between described 4th port module and described five-port module.
4. switch module according to claim 3, is characterized in that: described first port module comprises CAN_L port and CAN_H port, and described CAN_L port and CAN_H port are electrically connected with the described moved end of described single-pole double-throw switch (SPDT).
5. switch module according to claim 4, is characterized in that: the quantity of described single-pole double-throw switch (SPDT) and the port number of described 4th port module or described five-port module suitable.
6. a combination instrument test system, is characterized in that: described combination instrument system comprises:
First load module, described load module inputs for generation of electric signal;
Information transfer module, the input end of described information transfer module is electrically connected with the output terminal of described first load module, the electric signal that described information transfer module produces for transmitting described load module;
Switch module, described switch module is the switch module described in any one of claim 1-5, and described second port module is for transmitting the electric signal of described switch module to combination instrument.
7. combination instrument test system according to claim 6, is characterized in that: described combination instrument system also comprises:
Second load module, described second load module is electrically connected with described 3rd port module of described switch module, and described second load module inputs for generation of electric signal.
8. combination instrument test system according to claim 7, is characterized in that: described information transfer module is CAN module.
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| CN201410557817.9A CN104535849A (en) | 2014-10-20 | 2014-10-20 | Switch module and combined instrument test system with switch module |
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| CN201410557817.9A CN104535849A (en) | 2014-10-20 | 2014-10-20 | Switch module and combined instrument test system with switch module |
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Effective date of registration: 20180417 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Applicant after: Beijing treasure Car Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Applicant before: Beiqi Futian Automobile Co., Ltd. |
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Application publication date: 20150422 |