CN207502633U - adjuster test device - Google Patents
adjuster test device Download PDFInfo
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- CN207502633U CN207502633U CN201721448775.0U CN201721448775U CN207502633U CN 207502633 U CN207502633 U CN 207502633U CN 201721448775 U CN201721448775 U CN 201721448775U CN 207502633 U CN207502633 U CN 207502633U
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Abstract
The utility model discloses a kind of adjuster test devices; with safe and reliable advantage; its key points of the technical solution are that; including the input terminal to connect external alternating current, the port set to connect automotive regulator, Transformer Rectifier module, overcurrent protection module, voltage stabilizing adjustment module and state indicator module are sequentially connected between the input terminal and port set；Voltmeter indicating module is also associated in Transformer Rectifier module.
Description
Technical field
The utility model is related to the detection device technical fields of automobile, more particularly to adjuster test device.
Background technology
Since generator is dragged by the engine of automobile, and the rotating speed of engine is not constant, so can cause
Generator output voltage it is unstable, have to thus there are one electronic device to go control generator so that automobile engine exists
Under different rotating speeds, generator can export relatively stable voltage.
In addition, when generator is charged to battery, excessive charging current is prevented, this electronic device must have
Current limit function.
In addition, when engine because of other reasons causes output voltage relatively low or during without output, battery will be to power generation
The winding of machine generates electric current（I.e. so-called backflow phenomena）, the overdischarge for causing battery is damaged battery and because flowing into generator by this
The electric current of winding is excessive and damages generator.This electronic device has also needed to adverse current break-in facility thus, this electronic device
We claim adjuster.
Adjuster port is defined as follows
F：- excitation current control terminal, is connected to generator magnetizing coil, for controlling the excitation current duty of generator
Than；
B+ (is also A):The output voltage sense terminal of-generator is connected to the output terminal of generator, for controlling to adjust
The output voltage of generator provides Fieldcoil power supplys；
IG：- ignition switch sense terminal, the ignition switch being connected on automobile, for starting the action of adjuster；
L：- indicator light control terminal；The storage battery indicator light being connected on automobile；Independent control indicator light it is bright or dark or as
Excitation current when generator starts is provided or starts adjuster control terminal；
E：- ground terminal.
Adjuster is more existing, relatively conventional on the market, but its to be used to detect the test device of adjuster few, and
There are some safety problems.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of adjuster test device, have
Safe and reliable advantage.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of adjuster test dress
It puts, including the input terminal to connect external alternating current, the port set to connect automotive regulator, the input terminal and port set
Between be sequentially connected Transformer Rectifier module, overcurrent protection module, voltage stabilizing adjustment module and state indicator module；Transformer Rectifier mould
Voltmeter indicating module is also associated on block；
The Transformer Rectifier module, have V1+ ends and V1- ends, both ends to provide direct current supply electricity to overcurrent protection module with
And voltmeter indicating module；
Overcurrent protection module receives the direct current that Transformer Rectifier module provides and is cut off when direct current is more than preset value steady
Press the current supply circuit of adjustment module；
The direct current that voltage stabilizing adjustment module obtains Transformer Rectifier module and provide by filtering protection module, and to adjust certainly
The voltage swing of body output；
State indicator module is indicating voltage stabilizing adjustment module working condition.
By above-mentioned setting, alternating current can carry out power converter by Transformer Rectifier module, and the output of Transformer Rectifier module is low
The direct current of voltage is suitble to the working environment of the circuit module of rear class, and pressure regulation is carried out by voltage stabilizing adjustment module, to realize to vapour
The adjusting detection of vehicle adjuster, during pressure regulation, the variation of voltage swing can be obtained by voltmeter indicating module, in real time
Monitoring, in addition works also safer, since overcurrent protection module is arranged between voltage commutation module and voltage stabilizing adjustment module,
It, then can direct line disconnection by overcurrent protection module, it is ensured that voltage stabilizing tune when electric current is excessive in voltage stabilizing adjustment module operating process
Module power-off is saved, so as to protect circuit and automotive regulator.
Concrete scheme as the utility model can be preferably：The Transformer Rectifier module includes switch S1, transformer
T1, rectifier bridge Q1, rectifier bridge Q3, capacitance C1, capacitance C9；
The primary side of S1 connection transformers T1 is switched to control on/off；
First winding of the secondary side of rectifier bridge Q1 connection transformers T1, goes back shunt capacitance C1；
Second winding of the secondary side of rectifier bridge Q3 connection transformers T1, goes back shunt capacitance C9.
By above-mentioned setting, Transformer Rectifier module carries out one using power control switch total as one switch S1
Circuit master control, in addition transformer T1 secondary sides decompression after output have it is multiple, the first winding and the second winding are for voltmeter
Indicating module and overcurrent protection module power supply, capacitance C1 and C9 improve safety to filtering voltage regulation.
Concrete scheme as the utility model can be preferably：The overcurrent protection module include resistance R1, R2, R3,
R4, R5, capacitance C2, diode Dw1, button K2, silicon-controlled Dk, triode BG2, metal-oxide-semiconductor BG1 and indicator light LD1, V1+ ends
By resistance R1 connection diode Dw1 cathodes, silicon-controlled Dk anodes, metal-oxide-semiconductor BG1 grids, diode Dw1 cathodes connect V1- ends,
The cathode of silicon-controlled Dk passes through the first of capacitance C2 connection resistance R3 by button K2 connection V1- ends, the control terminal of silicon-controlled Dk
End and V1- ends, the control terminal of silicon-controlled Dk pass through the emitter of resistance R2 connecting triodes BG2 and the source of metal-oxide-semiconductor BG1
Pole；
V1+ ends pass through the anode of resistance R5 connection indicator lights LD1, the current collection of the cathode connected to the transistor BG2 of indicator light LD1
Pole, the drain electrode that the basis set of triode BG2 passes through resistance R4 connection ground terminals and metal-oxide-semiconductor BG1.
By above-mentioned setting, when V1+ ends, electric current is excessive, and electric current passes through indicator light LD1 and triode BG2, triode at this time
BG2 is in the conduction state, and indicator light LD1 shines；In addition electric current passes through resistance R1 and Dw1 so that metal-oxide-semiconductor BG1 is turned off, thus electric
Voltage can be kept in the short time after charging by holding C2, since BG1 is turned off, so V1- can not be grounded by resistance R3, it is steady so as to disconnect
Press the current supply circuit of adjustment module.In addition button K2 can be used for the reset to metal-oxide-semiconductor BG1 states, by disconnecting button K2's
Connection, at this time the grid of metal-oxide-semiconductor BG1 do not have in the conduction state after the input of silicon-controlled Dk, so as to which V1- passes through resistance R3
Ground connection.
Concrete scheme as the utility model can be preferably：The voltage stabilizing adjustment module includes voltage stabilizing chip U1, electricity
The input terminal connection V1+ ends of position device group, switching switch K6 and change-over switch K3, voltage stabilizing chip U1, the output of voltage stabilizing chip U1
End connection B+ ends, the control terminal of voltage stabilizing chip U1 pass sequentially through potentiometer group, switching switch K6 and change-over switch K3 connections and connect
Ground terminal.
By above-mentioned setting, potentiometer group can be by adjusting itself resistance value, so as to change the electricity of voltage stabilizing chip U1
Pressure exports, and in addition switching switch K6 and change-over switch K3 can form Multistage Control, and change-over switch K3 can be as manually and certainly
Dynamic conversion, switching switch K6 can be used for switching different voltages grade.
Concrete scheme as the utility model can be preferably：The potentiometer group passes through state indicator module connecting pin
The IG ends of mouth group and L ends, state indicator module include indicator light LD2, LD3 and LD4.
By above-mentioned setting, state indicator module carries out feedback of status by the light on and off of indicator light LD2, LD3 and LD4.
Description of the drawings
Fig. 1 is the circuit block diagram of the present embodiment；
Fig. 2 is the circuit diagram of the present embodiment, specific to show Transformer Rectifier module and voltmeter indicating module connection；
Fig. 3 is the circuit diagram of the overcurrent protection module of the present embodiment；
Fig. 4 is the circuit diagram of the present embodiment, specific to show voltage stabilizing adjustment module and state indicator module connection.
In figure：1st, input terminal；2nd, port set；3rd, Transformer Rectifier module；4th, overcurrent protection module；5th, voltage stabilizing adjustment module；
6th, state indicator module；7th, voltmeter indicating module.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：
A kind of adjuster test device, as shown in Figure 1, including to connect external alternating current input terminal 1, connecting vapour
The port set 2 of vehicle adjuster is sequentially connected Transformer Rectifier module 3, overcurrent protection module 4, steady between input terminal 1 and port set 2
Press adjustment module 5 and state indicator module 6；Voltmeter indicating module 7 is also associated in Transformer Rectifier module 3.
Input terminal 1 is：Firewire L ends and zero curve N-terminal.Alternating current is 220V/50Hz.
With reference to shown in Fig. 2, Transformer Rectifier module 3 has V1+ ends and V1- ends, and both ends supply electricity to overcurrent guarantor to provide direct current
Protect module 4 and voltmeter indicating module 7.
Transformer Rectifier module 3 includes switch S1, transformer T1, rectifier bridge Q1, rectifier bridge Q3, capacitance C1, capacitance C9；Switch
The primary side of S1 connection transformers T1 is controlling on/off；The first of the secondary side of rectifier bridge Q1 connection transformers T1 around
Group goes back shunt capacitance C1；Second winding of the secondary side of rectifier bridge Q3 connection transformers T1, goes back shunt capacitance C9.Transformer Rectifier
Module 3 carries out a circuit master control, in addition transformer T1 secondary sides using power control switch total as one switch S1
Output has multiple after decompression, and the first winding and the second winding are for 4 electricity of voltmeter indicating module 7 and overcurrent protection module
Source, capacitance C1 and C9 improve safety to filtering voltage regulation.
Voltmeter indicating module 7 includes voltage stabilizing chip U4, diode D6, capacitance C8 and voltmeter.Circuit structure referring to
Fig. 2.Voltmeter can be with instructed voltage size.
With reference to shown in Fig. 3, overcurrent protection module 4 receives the direct current that Transformer Rectifier module 3 provides and is more than in direct current
The current supply circuit of voltage stabilizing adjustment module 5 is cut off during preset value.
Overcurrent protection module 4 include resistance R1, R2, R3, R4, R5, capacitance C2, diode Dw1, button K2, silicon-controlled Dk,
Triode BG2, metal-oxide-semiconductor BG1 and indicator light LD1, V1+ end pass through resistance R1 connection diode Dw1 cathodes, silicon-controlled Dk sun
Pole, metal-oxide-semiconductor BG1 grids, diode Dw1 cathodes connection V1- ends, the cathode of silicon-controlled Dk is by button K2 connection V1- ends, controllably
The control terminal of silicon Dk passes through resistance R2 by the first end of capacitance C2 connection resistance R3 and V1- ends, the control terminal of silicon-controlled Dk
The emitter of connecting triode BG2 and the source electrode of metal-oxide-semiconductor BG1.
V1+ ends pass through the anode of resistance R5 connection indicator lights LD1, the current collection of the cathode connected to the transistor BG2 of indicator light LD1
Pole, the drain electrode that the basis set of triode BG2 passes through resistance R4 connection ground terminals and metal-oxide-semiconductor BG1.
When V1+ ends, electric current is excessive, and electric current is on shape by indicator light LD1 and triode BG2, triode BG2 at this time
State, indicator light LD1 shine；In addition electric current passes through resistance R1 and Dw1 so that metal-oxide-semiconductor BG1 is turned off, and thus capacitance C2 can the short time
Voltage is kept after interior charging, since BG1 is turned off, so V1- can not be grounded by resistance R3, so as to disconnect voltage stabilizing adjustment module 5
Current supply circuit.In addition button K2 can be used for the reset to metal-oxide-semiconductor BG1 states, by disconnecting the connection of button K2, this
When metal-oxide-semiconductor BG1 grid do not have it is in the conduction state after the input of silicon-controlled Dk, so as to which V1- is grounded by resistance R3.
With reference to shown in Fig. 4, voltage stabilizing adjustment module 5 obtains the direct current of 3 offer of Transformer Rectifier module by filtering protection module
Electricity, and the voltage swing to adjust itself output.
Voltage stabilizing adjustment module 5 includes voltage stabilizing chip U1, potentiometer group, switching switch K6 and change-over switch K3, voltage stabilizing core
The input terminal connection V1+ ends of piece U1, the output terminal connection B+ ends of voltage stabilizing chip U1, the control terminal of voltage stabilizing chip U1 pass sequentially through electricity
Position device group, switching switch K6 and change-over switch K3 connection ground terminals.Potentiometer group can by adjusting itself resistance value, so as to
To change the voltage output of voltage stabilizing chip U1, in addition switching switch K6 and change-over switch K3 can form Multistage Control, and conversion is opened
Closing K3 can be as conversion manually and automatically, and switching switch K6 can be used for switching different voltages grade.
Potentiometer group includes potentiometer Rw1-Rw6.Circuit connection structure is as shown in Figure 4.The control terminal of voltage stabilizing chip U1 is led to
Overpotential device Rw1 connections change-over switch K3, change-over switch the K3 other end are grounded.The output terminal of voltage stabilizing chip U1 passes through potentiometer
The 4th end of left side of Rw3, Rw4, resistance R7 connection switching switches K6, the output terminal of voltage stabilizing chip U1 also by potentiometer Rw5,
The left side third end of Rw6, resistance R8 connection switching switches K6, tie point connection switching switch K6 between potentiometer Rw3 and Rw4
Left side second end, the left side first end of tie point connection switching switch K6 between potentiometer Rw5 and Rw6.The right side of switching switch K6
Side first end passes through the output terminal of diode D2 connection voltage stabilizing chips U1, the right side second end connection change-over switch of switching switch K6
K3。
Referring to Fig. 4, state indicator module 6 is indicating 5 working condition of voltage stabilizing adjustment module.Potentiometer group is referred to by state
Show the IG ends of 6 connectivity port group 2 of module and L ends, state indicator module 6 includes indicator light LD2, LD3 and LD4.State refers to
Show that module 6 carries out feedback of status by the light on and off of indicator light LD2, LD3 and LD4.
State indicator module 6 further includes voltage stabilizing chip U2, resistance R11-R14.Circuit connection structure as shown in FIG., does not exist
It repeats.The output terminal connection IG ends of voltage stabilizing chip U2, indicator light LD4 connection L ends.E ends are ground terminal.The input of voltage stabilizing chip U2
End is connected with the output terminal of voltage stabilizing chip U1 and B+ ends.
Alternating current can carry out power converter by Transformer Rectifier module 3, and Transformer Rectifier module 3 exports the direct current of low-voltage
Electricity is suitble to the working environment of the circuit module of rear class, and pressure regulation is carried out by voltage stabilizing adjustment module 5, to realize to automotive regulator
Adjusting detection, during pressure regulation, the variation of voltage swing can be obtained by voltmeter indicating module 7, monitor in real time, separately
Outer work is also safer, since overcurrent protection module 4 is arranged between voltage commutation module and voltage stabilizing adjustment module 5, when steady
Press electric current in 5 operating process of adjustment module excessive, then it can direct line disconnection by overcurrent protection module 4, it is ensured that voltage stabilizing is adjusted
Module 5 powers off, so as to protect circuit and automotive regulator.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (5)
1. a kind of adjuster test device, including to connect the input terminal of external alternating current (1), connecting automotive regulator
Port set (2), it is characterised in that：Transformer Rectifier module (3), overcurrent are sequentially connected between the input terminal (1) and port set (2)
Protection module (4), voltage stabilizing adjustment module (5) and state indicator module (6)；Transformer Rectifier module is also associated with voltage on (3)
Table indicating module (7)；
The Transformer Rectifier module (3) has V1+ ends and V1- ends, and both ends supply electricity to overcurrent protection module (4) to provide direct current
And voltmeter indicating module (7)；
Overcurrent protection module (4) receives the direct current that Transformer Rectifier module (3) provides and is cut off when direct current is more than preset value
The current supply circuit of voltage stabilizing adjustment module (5)；
The direct current that voltage stabilizing adjustment module (5) obtains Transformer Rectifier module (3) and provide by filtering protection module, and to adjust
The voltage swing of itself output；
State indicator module (6) is indicating voltage stabilizing adjustment module (5) working condition.
2. adjuster test device according to claim 1, it is characterised in that：The Transformer Rectifier module (3) is including opening
Close S1, transformer T1, rectifier bridge Q1, rectifier bridge Q3, capacitance C1, capacitance C9；
The primary side of S1 connection transformers T1 is switched to control on/off；
First winding of the secondary side of rectifier bridge Q1 connection transformers T1, goes back shunt capacitance C1；
Second winding of the secondary side of rectifier bridge Q3 connection transformers T1, goes back shunt capacitance C9.
3. adjuster test device according to claim 1, it is characterised in that：The overcurrent protection module (4) is including electricity
Hinder R1, R2, R3, R4, R5, capacitance C2, diode Dw1, button K2, silicon-controlled Dk, triode BG2, metal-oxide-semiconductor BG1 and instruction
Lamp LD1, V1+ end passes through resistance R1 connection diode Dw1 cathodes, silicon-controlled Dk anodes, metal-oxide-semiconductor BG1 grids, diode Dw1 the moon
Pole connection V1- ends, by button K2 connection V1- ends, the control terminal of silicon-controlled Dk is connected the cathode of silicon-controlled Dk by capacitance C2
The first end of resistance R3 and V1- ends, the control terminal of silicon-controlled Dk by the emitter of resistance R2 connecting triodes BG2 and
The source electrode of metal-oxide-semiconductor BG1；
V1+ ends are by the anode of resistance R5 connection indicator lights LD1, the collector of the cathode connected to the transistor BG2 of indicator light LD1,
The drain electrode that the basis set of triode BG2 passes through resistance R4 connection ground terminals and metal-oxide-semiconductor BG1.
4. adjuster test device according to claim 1, it is characterised in that：The voltage stabilizing adjustment module (5) is including steady
Press the input terminal connection V1+ ends of chip U1, potentiometer group, switching switch K6 and change-over switch K3, voltage stabilizing chip U1, voltage stabilizing
The output terminal connection B+ ends of chip U1, the control terminal of voltage stabilizing chip U1 pass sequentially through potentiometer group, switching switch K6 and conversion
Switch K3 connection ground terminals.
5. adjuster test device according to claim 4, it is characterised in that：The potentiometer group passes through state instruction mould
The IG ends of block (6) connectivity port group (2) and L ends, state indicator module (6) include indicator light LD2, LD3 and LD4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448775.0U CN207502633U (en) | 2017-11-02 | 2017-11-02 | adjuster test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448775.0U CN207502633U (en) | 2017-11-02 | 2017-11-02 | adjuster test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207502633U true CN207502633U (en) | 2018-06-15 |
Family
ID=62503082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721448775.0U Active CN207502633U (en) | 2017-11-02 | 2017-11-02 | adjuster test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207502633U (en) |
-
2017
- 2017-11-02 CN CN201721448775.0U patent/CN207502633U/en active Active
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