CN207408935U - A kind of thin client automatic powering-on/powering-off test device - Google Patents

Abstract

The utility model is related to a kind of thin client automatic powering-on/powering-off test device, including：One single chip machine controlling circuit and be connected respectively with the single chip machine controlling circuit and for providing the power supply input circuit of power input, one for controlling relay switching circuit that tested thin client opens and closes and one for providing the key circuit of test interval button setting.A kind of thin client automatic powering-on/powering-off test device that the utility model is proposed can be realized and carry out uninterrupted automatic on/off test of computer to one or more thin client, to verify the reliability of thin client, have the advantages of simple structure and easy realization.

Description

A kind of thin client automatic powering-on/powering-off test device

Technical field

The utility model is related to technical field of measurement and test, particularly a kind of thin client automatic powering-on/powering-off test device.

Background technology

Thin client is widely used in the industries such as bank, insurance, electric power, education, telecommunications, these industries are to thin client matter Amount has strict requirements.Can normal boot-strap and shutdown, and the switching on and shutting down time will not long, not interim card, be thin client most Basic requirement.In the stage of research and development of products, in order to test the reliability of switching on and shutting down or even need thousands of tests, with Just pinpoint the problems and solve early.However traditional switching on and shutting down test often uses manual hand manipulation, starts shooting to thin client- Constantly cycle is tested for shutdown-start-shutdown ..., there are efficiency it is low, it is of high cost, can not large scale test the shortcomings of.

The content of the invention

The purpose of this utility model is to provide a kind of thin client automatic powering-on/powering-off test device, to overcome the prior art Present in defect.

To achieve the above object, the technical solution of the utility model is：A kind of thin client automatic powering-on/powering-off test device, Including：One single chip machine controlling circuit and be connected respectively with the single chip machine controlling circuit and for providing the electricity of power input Source input circuit, one are used for the relay switching circuit that tested thin client is controlled to open and close and one for when providing test interval Between button set key circuit.

In one embodiment of the utility model, the single chip machine controlling circuit include a microcontroller and with the microcontroller phase Reset circuit and clock circuit even.

In one embodiment of the utility model, the reset circuit include first resistor, second resistance, the first capacitance and Reset key；One termination high level of the reset key, the other end are connected with one end of first resistor；The first resistor The one end of the other end respectively with one end of first capacitance and the second resistance is connected, and accesses the microcontroller RST pins；The other end access high level of first capacitance；The other end ground connection of the second resistance.

In one embodiment of the utility model, the clock circuit includes the second capacitance, the 3rd capacitance and quartz crystal Oscillator；One end of second capacitance and the 3rd capacitance is connected and is grounded, and the other end vibrates respectively with the quartz crystal The both ends of device are connected, and corresponding the first clock control signal pin for accessing the microcontroller and second clock control signal respectively Pin.

In one embodiment of the utility model, the power supply input circuit includes a power input interface, the 4th capacitance, the The first light emitting diode of five capacitances, 3rd resistor oneself；The input terminal of the power input interface is adapted to external direct current power supply Device is connected, the second output terminal of the power input interface respectively with described 4th capacitance one end, the 5th capacitance one end, the 3rd electricity Resistance one end is connected, and as the power input for providing high level；The other end of the 3rd resistor and described first luminous two One end of pole pipe is connected, and the other end of first light emitting diode is another with the 4th capacitance other end, the 5th capacitance respectively One end, the 3rd output terminal of the power input interface, the 4th output terminal of the power input interface are connected, and are grounded.

In one embodiment of the utility model, the relay switching circuit includes a N-channel MOS pipe, the 4th resistance, the Five resistance and a plurality of relays；The grid of the N-channel MOS pipe is through the 5th resistance and the single chip machine controlling circuit phase Even, source electrode ground connection, the control signal respectively with a plurality of relays that drains are connected；The drain electrode is also electric with the described 4th One end of resistance is connected；Another termination high level of 4th resistance；The output terminal of a plurality of relays respectively with it is corresponding The power switch of tested thin client be connected.

In one embodiment of the utility model, the key circuit includes a button, and one end of the button is grounded, the other end It is connected with the single chip machine controlling circuit.

In one embodiment of the utility model, the high level is 5V.

Compared to the prior art, the utility model has the advantages that：The utility model proposes a kind of Thin clients Machine automatic powering-on/powering-off test device, make and it is easy to operate, at low cost, can realize at the same to one or more thin client into Row switching on and shutting down are tested, efficient, can test simultaneously on a large scale.

Description of the drawings

Fig. 1 is thin client automatic powering-on/powering-off test device functional block diagram in one embodiment of the utility model.

Fig. 2 is the single chip machine controlling circuit circuit diagram in one embodiment of the utility model.

Fig. 3 is the power circuit circuit diagram in one embodiment of the utility model.

Fig. 4 is the relay switching circuit circuit diagram in one embodiment of the utility model.

Fig. 5 is the key circuit circuit diagram in one embodiment of the utility model.

Specific embodiment

Below in conjunction with the accompanying drawings and existing software, the technical solution of the utility model is specifically described.In the explanation Involved existing software is not the object that the utility model is protected in the process, and the utility model only protects the knot of the device Structure and connection relation.

The utility model provides a kind of thin client automatic powering-on/powering-off test device, as shown in Figure 1, including：One microcontroller Control circuit 1 and be connected respectively with single chip machine controlling circuit and for provide power input power supply input circuit 2, one use It is used to provide pressing for test interval button setting in the relay switching circuit 3 and one that the tested thin client of control opens and closes Key circuit 4.

Further, in the present embodiment, as shown in Fig. 2, single chip machine controlling circuit include a microcontroller 13 and with this The reset circuit 11 that microcontroller is connected and clock circuit 12.

Further, in the present embodiment, reset circuit include first resistor R4, second resistance R5, the first capacitance C3 with And reset key S1；A termination 5V high level of reset key S1, the other end are connected with one end of first resistor R4；First resistor The one end of the other end of R4 respectively with one end of the first capacitance C3 and second resistance R5 is connected, and the RST for accessing microcontroller draws Foot；The other end access high level of first capacitance；The other end ground connection of second resistance.

Further, in the present embodiment, microcontroller is that high level resets effectively.When power supply is connected, using powering on wink Between the RC circuits chargings of resistance R4 and capacitance C3 compositions the reset pin RST of microcontroller is made to keep the high level of certain time, it is real It now automatically resets, make system normal initialization and starts to work.When program, which is run, to malfunction, using button S1 by microcontroller 13 Reset pin RST is pulled to high level, restarts microcontroller 13.

Further, in the present embodiment, clock circuit shakes including the second capacitance C4, the 3rd capacitance C5 and quartz crystal Swing device XTAL；One end of second capacitance C4 and the 3rd capacitance C5 is connected and is grounded, the other end respectively with quartz oscillator The both ends of XTAL are connected, and the first clock control signal pin of corresponding access microcontroller draws with second clock control signal respectively Foot.As shown in Fig. 2, clock circuit 12 includes a quartz oscillator XTAL and two trimming capacitor Cs 4 and C5, and with list X1, X2 foot connection of piece machine, form a stable self-excited oscillator, clock when necessary when generating for microcontroller work Signal processed.

Further, in the present embodiment, chip AT89C51, burning enter the program finished writing in advance to microcontroller in order to control, System is run after starting according to program.

Further, in the present embodiment, as shown in figure 3, power supply input circuit include a power input interface DC_IN, 4th capacitance C1, the 5th capacitance C2,3rd resistor R1 and the first light emitting diode D1；The input of power input interface DC_IN End is connected with external direct current power supply adapter, the second output terminal of power input interface respectively with the 4th capacitance C1 one end, the 5th Capacitance C2 one end, 3rd resistor R1 one end are connected, and as the power input for providing 5V high level；3rd resistor R1's is another End be connected with one end D1 of the first light emitting diode, the other end respectively with the 4th capacitance C1 other ends, the 5th capacitance C2 other ends, The 3rd output terminal, the 4th output terminal of power input interface of power input interface DC_IN is connected, and is grounded.DC_IN, which is received, to be come The 5V DC power supplies provided from power supply adaptor.Power supply is filtered by capacitance C1, C2；LED is power supply indicator, in power supply LED is lighted after access；R1 is current-limiting resistance, protects LED light.

Further, in the present embodiment, as shown in figure 4, relay switching circuit includes a N-channel MOS pipe Q1, the 4th Resistance R3, the 5th resistance R2 and a plurality of relays；The grid of N-channel MOS pipe Q1 is controlled through the 5th resistance R2 and microcontroller Circuit is connected, and source electrode ground connection, the control signal respectively with a plurality of relays that drains is connected；Drain electrode is also with the 4th resistance R3's One end is connected；Another termination high level of 4th resistance R3；The output terminal of a plurality of relays is tested thin visitor with corresponding respectively The power switch of family machine is connected.

Further, in the present embodiment, as shown in figure 4, when only accessing a relay, relay switching circuit comes From the signal of single-chip processor i/o mouth after R2 resistance, the G grades of N-channel MOS pipe Q1, the S grades ground connection of Q1 are connected to, the D grades of Q1 pass through It crosses a resistance R3 and is pulled upward to 5V power supplys, while 1 foot of the D cascade contact relays LS1 of Q1,2 feet of LS1 do not connect, 3 feet of LS1 The power switch of a tested thin client, the 5 feet ground connection of LS1 are connected with 4 feet.

When single-chip processor i/o is when sending " high-low-high " signal, in the moment of " low ", the G grades of Q1 become for moment Low level, Q1 are off state, D grades of output high level 5Vs；LS1 since coil is powered, 3 feet and 4 feet of LS1 will short circuit, I.e. corresponding thin client power switch short circuit, just boots up.When single-chip processor i/o next time send again one " it is high-low- During height " signal, i.e., corresponding thin client power switch short circuit just shuts down.So Xun Huan.

Further, in the present embodiment, more relays can also be increased in relay switching circuit, realized simultaneously More thin clients are connected and tested, efficiency can be improved.Likewise, the D grades of the 1 foot connection Q1 of newly-increased relay LSx, 2 feet of LSx do not connect, and the power switch of 3 feet of LSx and 4 feet, one tested thin client of connection, x is the sequence number of newly-increased relay.

Further, in the present embodiment, key circuit includes a button S3, and one end of the button is grounded, the other end with Single chip machine controlling circuit is connected.The interval time of switching on and shutting down is set by button.By to the monolithic in single chip machine controlling circuit The several pattern for possessing different time intervals is preset in machine program, button often clicks change pattern, that is, changes switch The interval time of machine.

The above are the preferred embodiment of the utility model, all changes made according to technical solutions of the utility model are produced Function without departing from technical solutions of the utility model scope when, belong to the scope of protection of the utility model.

Claims (8)

1. a kind of thin client automatic powering-on/powering-off test device, which is characterized in that including：One single chip machine controlling circuit and difference It is being connected with the single chip machine controlling circuit and for providing the power supply input circuit of power input, one for controlling tested thin visitor Relay switching circuit and one that family machine opens and closes are used to provide the key circuit of test interval button setting.

A kind of 2. thin client automatic powering-on/powering-off test device according to claim 1, which is characterized in that the microcontroller Control circuit includes a microcontroller and the reset circuit and clock circuit that are connected with the microcontroller.

3. a kind of thin client automatic powering-on/powering-off test device according to claim 2, which is characterized in that described to reset electricity Road includes first resistor, second resistance, the first capacitance and reset key；One termination high level of the reset key, it is another End is connected with one end of first resistor；The other end of the first resistor respectively with one end of first capacitance and described One end of two resistance is connected, and accesses the RST pins of the microcontroller；The other end access high level of first capacitance；Institute State the other end ground connection of second resistance.

A kind of 4. thin client automatic powering-on/powering-off test device according to claim 2, which is characterized in that the clock electricity Road includes the second capacitance, the 3rd capacitance and quartz oscillator；One end of second capacitance and the 3rd capacitance is connected And be grounded, both ends of the other end respectively with the quartz oscillator are connected, and corresponding respectively access the of the microcontroller One clock control signal pins and second clock control signal pin.

5. a kind of thin client automatic powering-on/powering-off test device according to claim 1, which is characterized in that the power supply is defeated Entering circuit includes a power input interface, the 4th capacitance, the 5th capacitance, the first light emitting diode of 3rd resistor oneself；The electricity The input terminal of source input interface is connected with external direct current power supply adapter, the second output terminal of the power input interface respectively with Described 4th capacitance one end, the 5th capacitance one end, 3rd resistor one end are connected, and as the power input for providing high level； The other end of the 3rd resistor is connected with one end of first light emitting diode；The other end of first light emitting diode Respectively with the 4th capacitance other end, the 5th capacitance other end, the power input interface the 3rd output terminal, the power supply 4th output terminal of input interface is connected, and is grounded.

A kind of 6. thin client automatic powering-on/powering-off test device according to claim 1, which is characterized in that the relay On-off circuit includes a N-channel MOS pipe, the 4th resistance, the 5th resistance and a plurality of relays；The grid of the N-channel MOS pipe The 5th resistance of pole is connected with the single chip machine controlling circuit, and source electrode ground connection, drain the control with a plurality of relays respectively Input terminal processed is connected；The one end of the drain electrode also with the 4th resistance is connected；Another termination high level of 4th resistance； Power switch of the output terminal of a plurality of relays respectively with corresponding tested thin client is connected.

A kind of 7. thin client automatic powering-on/powering-off test device according to claim 1, which is characterized in that the button electricity Road includes a button, and one end of the button is grounded, and the other end is connected with the single chip machine controlling circuit.

8. a kind of thin client automatic powering-on/powering-off test device according to claim 3,5 or 6, which is characterized in that described High level is 5V.