CN101413676B - Test device of igniting tube - Google Patents
Test device of igniting tube Download PDFInfo
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- CN101413676B CN101413676B CN2007101636940A CN200710163694A CN101413676B CN 101413676 B CN101413676 B CN 101413676B CN 2007101636940 A CN2007101636940 A CN 2007101636940A CN 200710163694 A CN200710163694 A CN 200710163694A CN 101413676 B CN101413676 B CN 101413676B
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Abstract
An igniter squib testing device comprises a first switch (Q1), a load interface (J2), an igniter squib interface (J1) and a controller (7), wherein, one end of the first switch (Q1) is connected with one end of the igniter squib interface (J1) in series by the load interface (J2), the other end of the first switch (Q1) and the other end of the igniter squib interface (J1) are respectively used for being connected with a positive pole and a negative pole of a power supply, and the controller (7) is connected with a control end of the first switch (Q1) and is used for receiving enabling signals, controlling the first switch (Q1) to close and controlling the first switch (Q1) to be cut off by preset time. The igniter squib testing device accurately controls the conduction time of an ignition squib, thus providing effective and safe protection for the test process of the ignition squib.
Description
Technical field
The present invention relates to the testing current field, relate in particular to a kind of testing arrangement of ignitron.
Background technology
Ignitron is that electric energy is changed into heat energy and explosion caused igniter, have minimum firing current value and maximum safe current value, produce heat energy and explosion caused by the electric current introducing ignitron and the process that will have more than the minimum firing current value after certain conduction time, the electric current introducing ignitron that will have below the maximum safe current value is then not explosion caused.The minimum firing current value of ignitron and maximum safe current value are correctly to understand the important parameter of ignitron electrical characteristic, also are the main foundations of design point fire tube and blasting network.The minimum firing current value of correct grasp ignitron and the method for testing of maximum safe current value are safe and high quality production and the correct prerequisite of using ignitron.
Test to the minimum firing current value and the maximum safe current value of ignitron; be provided with testing arrangement; existing test device of igniting tube design is simple and crude; by manually-operated; only adopt simple wire, switch or simple delay circuit to be connected and promptly begin the test process of switching on power supply; dangerous big, and can not set accurately and effectively and control to the conduction time of ignitron, can not provide safeguard protection to the test process of ignitron.
Summary of the invention
The objective of the invention is at existing test device of igniting tube means of testing not enough and test process can not provide the problem of safeguard protection, and the test device of igniting tube of a kind of low cost, high security is provided.
Test device of igniting tube provided by the invention comprises first switch, loading interfaces, ignitron interface and controller, one end of described first switch is connected serially to an end of ignitron interface by loading interfaces, the other end of the other end of described first switch and ignitron interface is respectively applied for and is connected to positive source and negative pole, described controller is connected with the control end of first switch, described controller is used to receive enabling signal, control first switch closure, and control first switch through scheduled time disconnection.
Wherein, described testing arrangement also comprises power supply.
Wherein, described testing arrangement also comprises second switch, described second switch is connected between the other end and power cathode of ignitron interface, described controller also is connected with the control end of second switch, described controller also is used to control the second switch closure, and the control second switch disconnected through the described scheduled time.
Wherein, described first switch and second switch are the MOSFET FET.
Wherein, described controller is after receiving described enabling signal, and first switch and second switch closure are controlled in time-delay.
Wherein, described testing arrangement also comprises the 3rd switch and the 4th switch, described the 3rd switch series is coupled in the circuit between loading interfaces and the ignitron interface, described the 4th switch is in parallel with the 3rd switch, ignitron interface and second switch in sequential series, described controller also is connected with the control end of the 3rd switch, and described controller also is used to control the 3rd switch only in described predetermined time period closure.
Wherein, described the 3rd switch is an electromagnetic relay, and described the 4th switch is the self-locking two-way switch.
Wherein, described testing arrangement also comprises display unit, described controller is connected with display unit, described controller also has first input end, the 3rd input and the 4th output, be connected with the 4th switch by first input end, and by the 4th output and described ignitron interface one end be connected and the 3rd input and the ignitron interface other end be connected to form the loop; Described controller also is used to detect the 4th switch and is closed or disconnection, the break-make of test point fire tube when described first switch, second switch and the 3rd switch all disconnect, and show that according to testing result control display unit the 4th switch is closed or the information that disconnects, information and the display delayed process that ignitron is conducting or disconnection.
Wherein, described testing arrangement also comprises the auditory tone cues device, and described controller is connected with the auditory tone cues device; Described controller also is used for sending prompt tone or keeping noiseless according to the testing result control sound suggestion device of test point fire tube break-make, and control sound suggestion device sends prompt tone after receiving described enabling signal.
Wherein, described testing arrangement also comprises indicating device, described controller is connected with indicating device, is used to control described indicating device and begins luminously when first switch, second switch and the 3rd switch are all closed, and the control indicating device extinguished through the described scheduled time.
Wherein, described testing arrangement also comprises the control key groups, and described control key groups is connected with controller, is used to generate described enabling signal.
Wherein, described controller also is used to be provided with the described scheduled time.
Test device of igniting tube provided by the invention has adopted controller; can come the conducting and the disconnection of control point fire tube test circuit by control signal; the danger of having avoided artificial incorrect operation and having caused, thus the effectively protection of safety provided for ignitron minimum firing current value and maximum safe current value test process.Test device of igniting tube provided by the invention can also be set the conduction time of ignitron; thereby can make the ignitron test circuit after startup, finish the conduction time of setting with regard to automatic disconnection; need not manually-operated; whole ignitron test process is safe and reliable; and can accurately control conduction time ignitron; for ignitron minimum firing current value and maximum safe current value test process provide the more effectively protection of safety, reach the purpose of high accuracy high security.
Description of drawings
Fig. 1 a, 1b and 1c are test device of igniting tube circuit theory diagrams provided by the invention;
Fig. 2 is the circuit diagram of first kind of preferred implementation of test device of igniting tube provided by the invention;
Fig. 3 is the circuit diagram of second kind of preferred implementation of test device of igniting tube provided by the invention;
Fig. 4 is the circuit diagram of the third preferred implementation of test device of igniting tube provided by the invention;
Fig. 5 is the circuit diagram of the 4th kind of preferred implementation of test device of igniting tube provided by the invention;
Fig. 6 is the circuit diagram of the 5th, the 6th and the 7th kind of preferred implementation of test device of igniting tube provided by the invention.
The specific embodiment
Below in conjunction with accompanying drawing test device of igniting tube provided by the invention is described in further detail.
Testing arrangement provided by the invention comprises the first switch Q1, loading interfaces J2, ignitron interface J1 and controller 7, the end of the described first switch Q1 is connected serially to the end of ignitron interface J1 by loading interfaces J2, the other end of the other end of the described first switch Q1 and ignitron interface J1 is respectively applied for and is connected to positive source and negative pole, described controller 7 is connected with the control end of the first switch Q1, described controller 7 is used to receive enabling signal, control the first switch Q1 closure, and control the first switch Q1 through scheduled time disconnection.
As shown in Figure 1a, described controller 7 has signal input part W, the first output PTD4, control module 8 and timing unit 9, described controller 7 is connected with the control end of the first switch Q1 by the first output PTD4, described signal input part W is used to import enabling signal, and described control module 8 is used to receive described enabling signal and is used to control the control end of first level signal of the first switch Q1 closure to the first switch Q1 by first output PTD4 output; Be preset with conduction time in the described timing unit 9, described timing unit 9 is used to receive described enabling signal and picks up counting, when arrive in default conduction time, described timing unit 9 sends signal that expression arrives conduction time to control module 8, and described control module 8 is exported by the first output PTD4 when receiving the signal that expression arrives conduction time and is used to control the control end of first level signal of first switch Q1 disconnection to the first switch Q1.
Shown in Fig. 1 b, the described first switch Q1 can have the controllable switch element of control end for any one, three-terminal switch such as triode, FET device for example, be preferably the MOSFET FET, its control end (being gate pole) is connected with the first output PTD4 of controller 7, controller 7 comes the control gate pole tension by the height of the level that control is exported, thus the conducting and the disconnection of control MOSFET FET.
Described testing arrangement also comprises power supply, and the other end of the other end of the described first switch Q1 and ignitron interface J1 links to each other with negative pole with the positive pole of power supply respectively.When using the MOSFET FET as the first switch Q1, the gate pole Access Control level of MOSFET FET also connects power cathode by resistance R 4 simultaneously, and drain electrode is connected with the pin 202 of loading interfaces J2, and source electrode connects positive source.The pin 201 of described loading interfaces J2 is connected with the pin 101 of ignitron interface J1, and the pin 102 of described ignitron interface J1 connects power cathode.
Described loading interfaces J2 is used to connect load resistance.Described load resistance type can be selected as required, can be conventional, electric-resistance or electronic load.When load is conventional, electric-resistance, be regardless of positive and negative with being connected of loading interfaces J2.When load was electronic load, then the positive pole of described electronic load connected the pin 202 of loading interfaces J2, and negative pole connects the pin 201 of loading interfaces J2.
Described controller 7 for example can be PLC or single-chip microcomputer for controlling the controller that the first switch Q1 is closed or disconnect according to the indication of set program arbitrarily.
Described enabling signal from signal input part W input can be controlled by external control button, and described control button will describe in detail below.
Be provided with timer in the described timing unit 9.Described timer is preset with conduction time, i.e. the conduction time of ignitron in test process.Can pre-set this conduction time, and pre-seting of conduction time be will be described below.Described control module 8 starts timing unit 9 when receiving enabling signal, timer in the timing unit 9 picks up counting, when arrive in default conduction time, the signal that described timing unit 9 transmissions are represented to have arrived conduction time is to control module 8, and described control module 8 output control signal when receiving the signal of expression arrival conduction time is controlled first switch Q1 disconnection.
Because the single-chip microcomputer operating voltage is 0-5V, and the operating voltage of MOSFET FET is 0-12V, therefore, the first output PTD4 of described controller 7 can be connected with the control end of the first switch Q1 by optocoupler U2, described optocoupler is conventionally known to one of skill in the art, utilizes the electric current isolation characteristic of optocoupler to reach the purpose that the control first switch Q1 is closed or disconnect.
Shown in Fig. 1 c, described optocoupler U2 has pin A, pin B, pin C and pin D, pin A is connected with monolithic machine 5V operating voltage by resistance R 2, pin B connects the first output PTD4 of controller 7, pin C is connected with the 12V operating voltage of the first switch Q1, pin D connects MOSFET FET, the i.e. gate pole of the first switch Q1.
The control module 8 of described controller 7 can produce the output with control output end PTD4 of high level or low level according to signal indication.
When the control module 8 of controller 7 receives the enabling signal of the indication first switch Q1 closure, described control module 8 produces high level and exports this level signal to optocoupler U2 by the first output PTD4, the level at the pin B place of described optocoupler U2 is high at this moment, the pin D no-output of optocoupler U2.Because the gate pole of MOSFET FET is also by a resistance eutral grounding, then V
G=0V, V
S=12V, then V
GS=-12V, therefore described MOSFET pipe conducting, the i.e. first switch Q1 conducting.
During signal that the expression that receives when the control module 8 of controller 7 that timing unit 9 sends arrives conduction time, described control module 8 produces low level and exports this level signal to optocoupler U2 by the first output PTD4, the pin B place of described optocoupler U2 is low at this moment, the pin C of optocoupler U2 and pin D conducting, then V
G=12V, V
S=12V, then V
GS=0V, therefore described MOSFET pipe disconnects, and promptly the first switch Q1 disconnects.
Under the preferable case, for the test that makes ignitron reaches purpose of safety, need between ignitron and power cathode, be connected gate-controlled switch, therefore, described testing arrangement also comprises second switch Q2, and described second switch Q2 is connected between the other end and power cathode of ignitron interface J1, and described controller 7 also is connected with the control end of second switch Q2, described controller 7 is used to control second switch Q2 closure, and control second switch Q2 disconnected through the described scheduled time.
As shown in Figure 2, described controller 7 also has the second output PTD5, described controller 7 is connected with the control end of second switch Q2 by the second output PTD5, and described control module 8 is used for also being used to control the control end of second level signal of second switch Q2 closure to second switch Q2 by second output PTD5 output when receiving described enabling signal; Described control module 8 also is used to control the control end of second level signal of second switch Q2 disconnection to second switch Q2 by second output PTD5 output when receiving the signal of expression arrival conduction time.
As shown in Figure 2, described second switch Q2 can have the controllable switch element of control end for any one, three-terminal switch such as triode, FET device for example, be preferably the MOSFET FET, its control end (being gate pole) is connected with the second output PTD5 of controller 7, controller 7 comes the control gate pole tension by the height of the level that control is exported, thus the conducting and the disconnection of control MOSFET FET.When using the MOSFET FET as second switch Q2, the gate pole Access Control level of MOSFET FET also connects power cathode by resistance R 3 simultaneously, and drain electrode is connected with the pin 102 of ignitron interface J1, and source electrode connects power cathode.
Same as above, the second output PTD5 of controller 7 can be connected with second switch Q2 by optocoupler U3, utilizes the electric current isolation characteristic of optocoupler to reach the purpose that control second switch Q2 is closed or disconnect.
Described control module 8 is also exported control signal control second switch Q2 and is disconnected when receiving the signal of expression arrival conduction time.
As shown in Figure 2, described optocoupler U3 has pin E, pin F, pin G and pin H, and pin E is connected with monolithic machine 5V operating voltage by resistance R 1, and pin F connects the second output PTD5 of controller 7, pin G is connected with the 12V operating voltage of second switch Q2, and pin H connects the gate pole of MOSFET FET.
Same as above, the control module 8 of described controller 7 can produce the high level low level according to the signal indication, and described high or low level is exported by the second output PTD5.
As shown in Figure 2, when the control module 8 of controller 7 receives the enabling signal of indication second switch Q2 closure, described control module 8 produces low level signal and exports this level signal to optocoupler U3 by the second output PTD5, this moment, the level at described optocoupler U3 pin F place was low, the pin G of optocoupler U3 and pin H conducting, then V
G=12V, V
S=0V, then V
GS=12V, therefore described MOSFET pipe conducting, i.e. second switch Q2 conducting.
During signal that the expression that receives when the control module 8 of controller 7 that timing unit 9 sends arrives conduction time, described control module 8 produces high level signal and exports this level signal to optocoupler U3 by the second output PTD5, the level at the pin F place of described optocoupler U3 is high at this moment, the pin H no-output of optocoupler U3.Because the gate pole of MOSFET FET is also by a resistance eutral grounding, so V
G=0V, V
S=0V, then V
GS=0V, therefore described MOSFET pipe disconnects, and promptly second switch Q2 disconnects.
For by the time-delay burst time of test device of igniting tube to ignitron; promptly delaying time to set conduction time to be reached for ignitron minimum firing current value and maximum safe current value test process provides more effectively and the purpose of the protection of safety; described controller 7 is after receiving described enabling signal, and the first switch Q1 and second switch Q2 closure are controlled in time-delay.
As shown in Figure 3, described testing arrangement also comprises delay unit 10, enabling signal by signal input part W input is sent to delay unit 10 earlier, be preset with delay time in the described delay unit 10, and when receiving enabling signal, pick up counting, when default delay time arrives, described delay unit 10 sends the signal of expression delay time arrival to control module 8, and described control module 8 is just exported first level signal that is respectively applied for the control first switch Q1 closure and second level signal that is used to control second switch Q2 closure when receiving the signal of described expression delay time arrival.
As shown in Figure 3, be provided with timer in the described delay unit 10.Described timer is preset with delay time, promptly postpones to make the time of ignitron energising.Described signal input part W is used to receive enabling signal and this enabling signal is at first sent to delay unit 10, described timer picks up counting when delay unit 10 receives enabling signal, when default delay time arrives, the signal that described delay unit 10 transmission expression delay times have reached is to control module 8, described control module 8 produces the level signal of controlling the first switch Q1 and second switch Q2 closure according to this signal, and described level signal is sent to timing unit 9.
To being connected load resistance in the test circuit of ignitron minimum firing current and maximum safe current.Described loading interfaces J2 is used to connect load resistance.Adopt electronic load under the preferable case, can be provided with load current.As shown in Figure 4, the positive pole of described electronic load connects the pin 202 of loading interfaces J2, and the negative pole of electronic load connects the pin 201 of loading interfaces J2.
Safety for proof load electric current setting up procedure, test device of igniting tube provided by the invention also comprises the 3rd K switch 1 and the 4th switch S 1, described the 3rd K switch 1 is series in the circuit between loading interfaces J2 and the ignitron interface J1, described the 4th switch S 1 is in parallel with the 3rd K switch 1, ignitron interface J1 and second switch Q2 in sequential series, described controller 7 also is connected with the control end of the 3rd K switch 1, and described controller 7 is used to control the 3rd K switch 1 only in described predetermined time period closure.
As shown in Figure 4, described controller 7 has the 3rd output PTD2, described the 3rd K switch 1 is for being series at the normally closed switch in the circuit between loading interfaces J2 and the ignitron interface J1, described the 4th switch S 1 is in parallel with the 3rd K switch 1, ignitron interface J1 and second switch Q2 in sequential series, described control module 8 is connected with the control end of the 3rd K switch 1 by the 3rd output PTD2, is used for when receiving enabling signal exporting by the 3rd output PTD2 the control end of three level signal to the three K switch 1 that are used to control the 3rd K switch 1 closure.
As shown in Figure 4, described the 3rd K switch 1 has the controllable bidirectional switch element of control end for any one, electromagnetic relay for example, its contact I is connected with the pin 101 of ignitron interface J1, contact J connects the second input PTB2, and contact L connects the pin 201 of loading interfaces J2, and magnetic induction loop one end of described electromagnetic relay connects positive source, the other end is a control end, is used for being connected with the 3rd output PTD2 of controller 7.Generally, no current produces in the magnetic induction loop of electromagnetic relay, and the contact I of the 3rd K switch 1 and contact J adhesive promptly keep the state often opened, has guaranteed that in load setting up procedure ignitron test circuit is in the safe condition of disconnection.
When control module 8 receives enabling signal, produce low high level, and with described high level by pin IN1 input driving device U1, described drive unit U1 is converted to low level with described high level, and export the control end of the 3rd K switch 1 to by pin OUT1, the magnetic induction loop of described thus the 3rd K switch 1 produces electric current, relay is started working, produce magnetic force the switch plectrum is attracted to contact L from contact I, contact I and contact L conducting, then the pin 201 of described loading interfaces J2 keeps conducting with the pin 101 of ignitron interface J1, and then the cut-in point fire tube begins testing current.
Because the operating voltage of electromagnetic relay is 0-12V, the single-chip microcomputer operating voltage is 0-5V, so controller 7 can be connected with the 3rd K switch 1 by drive unit U1.When input high level, the conducting over the ground of the output of drive unit U1 is output as lowly, and when being input as when low, drive unit U1 output ends no-output over the ground.Described drive unit U1 is preferably and drives chip ULN2803A.As shown in Figure 4, the 3rd output PTD2 of described controller 7 is connected with the pin IN1 of drive unit U1, and the pin OUT1 of drive unit U1 is connected to the control end of the 3rd K switch 1.
Described the 4th switch S 1 is for electric current is provided with button, under the situation that connects load, by pressing the 4th switch S 1, can make the first switch Q1 and load form the loop, and what use as load is electronic load, can the parameter of electronic load be provided with.
Test device of igniting tube provided by the invention also comprises control key groups 16, and described control key groups 16 is connected with controller 7, is used to generate described enabling signal.
Under electric current is provided with state, preferably can also be provided with relevant parameters such as conduction times.Therefore, described controller 7 also has parameter set unit 12, and described control key groups 16 also is used to generate the parameter signalization, and described parameter set unit 12 is used for being provided with according to the parameter signalization of being imported the conduction time of timing unit 9.
As shown in Figure 5, described control button 16 is connected to signal input part W, for sending the key groups of pulse control signal, can comprise and to send different pulse control signals button S2, time increase button S4, time decreased button S5 to be set the conduction time of realizing different control functions and to start button S6 by operation.
When beginning to carry out the ignitron test, press and start button S6, the signal that sends the expression test starting is to control module 8, described control module 8 produces the level signal of controlling the first switch Q1, second switch Q2 and the 3rd K switch 1 closure according to the enabling signal of being imported, and controls closed and the 3rd K switch 1 closure of the first switch Q1, second switch Q2.Behind the EOT, press and start button S6, send signal that expression test stops to control module 8, described control module 8 produces the level signal that the control first switch Q1 and second switch Q2 disconnect according to the stop signal of being imported, and controls the first switch Q1 and second switch Q2 disconnection.
The delay time of default is 5s in delay unit 10.Before the test of start-up point fire tube, can be provided with conduction time.If need not adjusting conduction time, be 1ms the conduction time of predetermined system acquiescence in the timing unit 9.The delay time of default is 5s in delay unit 10.By operation, can change the default conduction time of timing unit 9 to button in the control button 16.
Press button S2 is set conduction time, the signal that sends expression setting conduction time is to parameter set unit 12, and testing arrangement enters conduction time state is set, and described parameter set unit 12 enters state to be provided with according to this signal.Whenever the time of pressing increases button S4, and parameter set unit 12 will add 1 by its current chronomere conduction time, and is same, whenever presses time decreased button S5, and subtract 1 by its current chronomere conduction time.After setting is finished, press once more button S2 is set conduction time, the time parameter that described parameter set unit 12 will be provided with this moment is saved to timing unit 9, and testing arrangement withdraws from the state that is provided with conduction time, and conduction time, setting was finished.
The chronomere of system default is ms.Under the preferable case, described control button 16 comprises that also chronomere is provided with button S7.Press button S2 is set conduction time after, described chronomere is provided with button S7 and can the unit of conduction time be set, and has ms, s, min optional, whenever by chronomere next time button S7 being set can switch to minimum ms one by one from maximum min.
Operation for the convenience of the users, so that the ignitron test process is better controlled, under the preferable case, described testing arrangement also comprises display unit J3, described controller 7 is connected with display unit J3, described controller 7 also has first input end PTB1, the 3rd input PTB3 and the 4th output PTB2, be connected with the 4th switch S 1 by first input end PTB1, and by the 4th output PTB2 and described ignitron interface J1 one end be connected and the 3rd input PTB3 and the ignitron interface J1 other end be connected to form the loop; Described controller 7 also is used to detect the 4th switch S 1 and is closed or disconnection, the break-make of test point fire tube when the described first switch Q1, second switch Q2 and the 3rd K switch 1 all disconnect, and show that according to testing result control display unit J3 the 4th switch S 1 is closed or the information that disconnects, information and the display delayed process that ignitron is conducting or disconnection.
As shown in Figure 6, described controller 7 also comprises state detection unit 11 and display unit 14, described state detection unit 11 is connected with the 4th switch S 1 by first input end PTB1, the other end of the end of described ignitron interface J1 and the 4th output PTB2, state detection unit 11, the 3rd input PTB3 and ignitron interface J1 is in turn connected to form the loop, and described display unit 14 is connected with display unit J3.
Described state detection unit 11 is used for detecting the 4th switch S 1 by first input end PTB1 and is closed or disconnection, and testing result is sent to display unit 14, described display unit 14 is used for showing that according to described testing result control display unit J3 the 4th switch S 1 is information closed or that disconnect.
Described state detection unit 11 is used for when the first switch Q1, second switch Q2 and the 3rd K switch 1 all disconnect the break-make by the 4th output PTB2 and the 3rd input PTB3 test point fire tube, and testing result is sent to display unit 14, described display unit 14 is used for showing that according to described testing result control display unit J3 ignitron is the information of conducting or disconnection.
Described display unit 14 is used for when receiving enabling signal visit delay unit 10 obtaining the information of expression delay time, and according to the information control display unit J3 display delayed process of described expression delay time.
Under the preferable case, described the 4th switch S 1 can be the self-locking two-way switch, and the pin 201 of loading interfaces J2 wherein one the tunnel connects power cathode by two-way switch, and described first input end PTB1 connects power cathode by another road.Closed the 4th switch S 1, described state detection unit 11 detects the closure or the off-state of the 4th switch S 1 by first input end PTB1, and testing result is sent to display unit 14, described display unit 14 is used for showing according to described testing result control display unit J3 the 4th switch S 1 is information closed or that disconnect, promptly shows whether enter the information that load is provided with state on display unit J3.
As shown in Figure 6, described display unit J3 is any Presentation Function that has, and can show the device of information needed by control, is preferably 128 * 64 LCDs.Display unit J3 operating voltage is generally 0-5V, with 5V power supply of one-chip machine common.
But conducting situation by the 4th output PTB2 and the 3rd input PTB3 test point fire tube interface J1, identical with the working method of aforesaid first input end PTB1, whether the expression ignitron interface J1 conducting that described state detection unit 11 will receive by the 4th output PTB2 and the 3rd input PTB3 or the signal of disconnection (tie point fire tube) are sent to display unit 14, and described display unit 14 is controlled display unit J3 according to described signal and shown that on screen ignitron interface J1 connects information ready or that do not connect.
Visit delay unit 10 to be obtaining the information of expression delay time when display unit 14 receives enabling signal, and according to the information of described expression delay time control display unit J3 display delayed process, promptly shows the countdown process.
In the ignitron test process, in order to give the real-time alarm of user, increase the security of test, under the preferable case, described testing arrangement also comprises auditory tone cues device LS, described controller 7 is connected with auditory tone cues device LS; Described controller 7 also is used for sending prompt tone or keeping noiseless according to the testing result control sound suggestion device LS of test point fire tube break-make, and control sound suggestion device LS sends prompt tone after receiving described enabling signal.
As shown in Figure 6, described controller 7 also comprises alarm unit 15, described alarm unit 15 is connected with auditory tone cues device LS, described state detection unit 11 is used for testing result also is sent to alarm unit 15, described alarm unit 15 is used for sending prompt tone or keeping noiseless according to the testing result control sound suggestion device LS of test point fire tube break-make, described alarm unit 15 is used for when receiving enabling signal visit delay unit 10 obtaining the information of expression delay time, and sends prompt tone according to the information control sound suggestion device LS of described expression delay time.
Same as above, state detection unit 11 also will the break-make information by the 4th output PTB2 and the detected ignitron of the 3rd input PTB3 be sent to alarm unit 15 when the first switch Q1, second switch Q2 and the 3rd K switch 1 all disconnect, alarm unit 15 control sound suggestion device LS (was the interval with 1 second) sends prompt tone.Same, alarm unit 15 visit delay unit 10 obtaining the information of expression delay time when receiving enabling signal, and controls sound suggestion device LS according to the information of expression delay time and send prompt tone.
As shown in Figure 6, described auditory tone cues device LS is preferably the buzz device for sending the device of prompt tone arbitrarily by control.Because auditory tone cues device LS operating voltage is 0-12V, the single-chip microcomputer operating voltage is 0-5V, so controller 7 can be connected with auditory tone cues device LS by drive unit U1.Described controller 7 by drive unit U1 and auditory tone cues device LS connection and how to control sound suggestion device LS by high-low level conversion identical with control to the 3rd K switch 1 mentioned above, no longer do detailed description at this.
For test starting and test are stopped to point out, under the preferable case, described testing arrangement also comprises indicating device DS, described controller 7 is connected with indicating device DS, described controller 7 is used to control described indicating device DS and begins luminously, and control indicating device DS extinguished through the described scheduled time.
As shown in Figure 6, described controller 7 also comprises indicating member 17, enabling signal also is sent to indicating member 17 when being sent to delay unit 10, described control module 8 also will be used to control first and second level signals that the first switch Q1 and second switch Q2 disconnect and send to indicating member 17, described indicating member 17 is used for beginning when receiving described enabling signal luminous, extinguishes when receiving first and second level signals of control first switch Q1 and second switch Q2 disconnection.
As shown in Figure 6, the electronic component of described indicating device DS for can be luminous according to control or extinguishing is preferably light emitting diode.Because the operating voltage of selected light emitting diode is 0-12V, the single-chip microcomputer operating voltage is 0-5V, so controller 7 can be connected with indicating device DS by drive unit U1.Described controller 7 by drive unit U1 and indicating device DS connection and how to control indicating device DS by high-low level conversion identical with control to the 3rd K switch 1 mentioned above, no longer do detailed description at this.
Start button S6 when pressing, send enabling signal to delay unit 10, delay unit 10 enters countdown, also send enabling signal to indicating member 17,17 control display unit LS are luminous with 1 second frequency scintillation for indicating member, and testing arrangement carries out testing current, when the first switch Q1, second switch Q2 and the 3rd K switch 1 are all closed, 17 control indicating device DS are luminous for indicating member, and the indication testing arrangement is carrying out ignitron energising test.When test is finished, the first switch Q1 and second switch Q2 disconnect, and indicating member 17 control indicating device DS extinguish.
Claims (11)
1. test device of igniting tube, it is characterized in that, this testing arrangement comprises first switch (Q1), loading interfaces (J2), ignitron interface (J1) and controller (7), one end of described first switch (Q1) is connected serially to an end of ignitron interface (J1) by loading interfaces (J2), the other end of the other end of described first switch (Q1) and ignitron interface (J1) is respectively applied for and is connected to positive source and negative pole, described controller (7) is connected with the control end of first switch (Q1), described controller (7) is used to receive enabling signal, control first switch (Q1) closure, and control first switch (Q1) through scheduled time disconnection.
2. testing arrangement according to claim 1, it is characterized in that, described testing arrangement also comprises second switch (Q2), described second switch (Q2) is connected between the other end and power cathode of ignitron interface (J1), described controller (7) also is connected with the control end of second switch (Q2), described controller (7) also is used to control second switch (Q2) closure, and control second switch (Q2) disconnected through the described scheduled time.
3. testing arrangement according to claim 2 is characterized in that, described first switch (Q1) and second switch (Q2) are the MOSFET FET.
4. testing arrangement according to claim 2 is characterized in that, described controller (7) is after receiving described enabling signal, and first switch (Q1) and second switch (Q2) closure are controlled in time-delay.
5. according to the described testing arrangement of each claim among the claim 2-4, it is characterized in that, described testing arrangement also comprises the 3rd switch (K1) and the 4th switch (S1), described the 3rd switch (K1) is series in the circuit between loading interfaces (J2) and the ignitron interface (J1), described the 4th switch (S1) and the 3rd switch (K1) in sequential series, ignitron interface (J1) and second switch (Q2) parallel connection, described controller (7) also is connected with the control end of the 3rd switch (K1), and described controller (7) also is used to control the 3rd switch (K1) only in described predetermined time period closure.
6. testing arrangement according to claim 5 is characterized in that, described the 3rd switch (K1) is an electromagnetic relay, and described the 4th switch (S1) is the self-locking two-way switch.
7. testing arrangement according to claim 5, it is characterized in that, described testing arrangement also comprises display unit (J3), described controller (7) is connected with display unit (J3), described controller (7) also has first input end (PTB1), the 3rd input (PTB3) and the 4th output (PTB2), be connected with the 4th switch (S1) by first input end (PTB1), and being connected and the loop that is connected to form of the 3rd input (PTB3) and ignitron interface (J1) other end by the 4th output (PTB2) and described ignitron interface (J1) end;
Described controller (7) also is used to detect the 4th switch (S1) and is closed or disconnection, in the break-make of described first switch (Q1), second switch (Q2) and the 3rd switch (K1) test point fire tube when all disconnecting, and show that according to testing result control display unit (J3) the 4th switch (S1) is closed or the information that disconnects, information and the display delayed process that ignitron is conducting or disconnection.
8. testing arrangement according to claim 7 is characterized in that, described testing arrangement also comprises auditory tone cues device (LS), and described controller (7) is connected with auditory tone cues device (LS);
Described controller (7) also is used for sending prompt tone or keeping noiseless according to the testing result control sound suggestion device (LS) of test point fire tube break-make, and control sound suggestion device (LS) sends prompt tone after receiving described enabling signal.
9. testing arrangement according to claim 8, it is characterized in that, described testing arrangement also comprises indicating device (DS), described controller (7) is connected with indicating device (DS), be used to control described indicating device (DS) and begin luminously when first switch (Q1), second switch (Q2) and the 3rd switch (K1) are all closed, and control indicating device (DS) extinguished through the described scheduled time.
10. according to the described testing arrangement of each claim among claim 1-4 and the 6-9, it is characterized in that described testing arrangement also comprises control key groups (16), described control key groups (16) is connected with controller (7), is used to generate described enabling signal.
11., it is characterized in that described controller (7) also is used to be provided with the described scheduled time according to the described testing arrangement of each claim among claim 1-4 and the 6-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101636940A CN101413676B (en) | 2007-10-18 | 2007-10-18 | Test device of igniting tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101636940A CN101413676B (en) | 2007-10-18 | 2007-10-18 | Test device of igniting tube |
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| CN101413676A CN101413676A (en) | 2009-04-22 |
| CN101413676B true CN101413676B (en) | 2010-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104406195A (en) * | 2014-12-12 | 2015-03-11 | 重庆五福科技有限公司 | Test device and test method of general purpose small gasoline engine igniter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104698031B (en) * | 2015-03-24 | 2018-03-27 | 江苏华爵检测技术股份有限公司 | Igniter for cone calorimetry |
| CN105467249B (en) * | 2015-12-17 | 2019-07-26 | 重庆五福科技有限公司 | A kind of logical machine conduction device testboard |
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| CN107543463B (en) * | 2017-07-19 | 2022-08-12 | 上海航空电器有限公司 | Explosion circuit for explosion and bounce and use method |
| CN107316453A (en) * | 2017-08-11 | 2017-11-03 | 合肥惠科金扬科技有限公司 | A kind of remote-controlled test circuit and device |
| CN109210568B (en) * | 2018-08-31 | 2021-11-23 | 广州爱孚圣电子科技有限公司 | Electronic match detection ignition device |
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| CN1041074C (en) * | 1993-10-21 | 1998-12-09 | 本田技研工业株式会社 | Ignition control device |
| CN1103429C (en) * | 1995-07-31 | 2003-03-19 | 林内株式会社 | Combustion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104406195A (en) * | 2014-12-12 | 2015-03-11 | 重庆五福科技有限公司 | Test device and test method of general purpose small gasoline engine igniter |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101413676A (en) | 2009-04-22 |
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