CN208954831U - A kind of double power supply automatic transfer switch - Google Patents
A kind of double power supply automatic transfer switch Download PDFInfo
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- CN208954831U CN208954831U CN201821728951.0U CN201821728951U CN208954831U CN 208954831 U CN208954831 U CN 208954831U CN 201821728951 U CN201821728951 U CN 201821728951U CN 208954831 U CN208954831 U CN 208954831U
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Abstract
The utility model discloses a kind of double power supply automatic transfer switch, including pedestal and the lower case being fixed on the base, upper housing and control cabinet, driving mechanism and control panel are provided in control cabinet, the control panel and driving mechanism are electrically connected, the output shaft of the driving mechanism is from the gap being pierced by between the setting lower case and upper housing in control cabinet, common switching group and backup circuit breaker group are respectively arranged in lower case and upper housing, spare terminals and common wiring pattern end are stretched out respectively in the two sides of upper housing and the two sides of lower case, the output shaft of the driving mechanism carries out kind of drive connection with the common switching group and backup circuit breaker group respectively.The utility model energy quick-make disjunction circuit carries out circuit conversion, and the judgement and conversion operation of mistake will not occur in conversion process, be also convenient for remotely monitoring, greatly improve change-over switch items electric property, the electrical safety of mechanical performance and equipment.
Description
Technical field
The utility model belongs to automatic change-over technical field more particularly to a kind of double power supply automatic transfer switch.
Background technique
Automatic change-over (A TSE) is to integrate switch and logic control, really realize the automatic of electromechanical integration
Change-over switch, it is suitable for exchanging the work enterprise controller switching equipment of 50Hz, voltage rating to 440V, agreement heating current to 1600A
In, have the function of voltage detecting, communication interface, electricapparatus interlocking etc., it can be achieved that full-automatic, long-range control, force reset,
Emergency manual operation, be widely used in the primary power cource of power supply system and the automatic conversion of backup power source or two load equipments from
Turn is changed and security isolation etc., to realize the control power supply of the driving mechanism of power supply automatic conversion.Switch is sent out by control circuit board
Various logic order out manages motor, is driven by a motor the operating mechanism of switch body portion, quick-make disjunction circuit or
Circuit conversion is carried out, security isolation is realized by clearly visible state.Automatic change-over is generallyd use at present drives in the presence of triggering
Dynamic mechanism action, Lai Shixian quick-make disjunction circuit or carries out circuit conversion, conversion circuit be easy to produce mistake judgement and
Conversion operation, to influence to load normal power supply demand, thus cause to make because of job insecurity change-over switch operation stir less than
Many security risks such as accurate.
Utility model content
It is according to the present utility model from turn the purpose of this utility model is to provide a kind of double power supply automatic transfer switch
It changes switch to be able to achieve quick-make disjunction circuit or carry out circuit conversion, the judgement and conversion of mistake will not occur in conversion process
Operation, is also convenient for remotely monitoring, greatly improves change-over switch items electric property, the Electrical Safety of mechanical performance and equipment
Property.To achieve the goals above, the utility model uses following technical effect:
One aspect according to the present utility model provides a kind of double power supply automatic transfer switch, including pedestal and fixation
Lower case, upper housing and control cabinet on pedestal, are provided with driving mechanism and control panel in the control cabinet, the control panel
It is electrically connected with the driving mechanism, the output shaft of the driving mechanism is pierced by the setting lower case and upper housing out of control cabinet
Between gap in, common switching group and backup circuit breaker group are respectively arranged in lower case and upper housing, the two of upper housing
Spare terminals and common wiring pattern end are stretched out in side and the two sides of lower case respectively, and the both ends of the common switching group are separately connected often
With terminals, the both ends of backup circuit breaker group are separately connected spare terminals, the output shaft of the driving mechanism respectively with it is described often
The kind of drive is carried out with backup circuit breaker group with switching group to connect, and rotation hand is provided on the right side of the central front of the control cabinet
Handle, the rotational handle are provided centrally with axis hole, and the axis hole of rotational handle is joined by the output shaft of shaft and the driving mechanism
Dynamic connection.
Preferably, it is provided in the front side wall of the control cabinet and around the rotational handle nameplate region, electrical
Key lock and mechanism padlock.
Above scheme on the control panel it is further preferred that be provided with controller, one or more common detection electricity
Road, one or more redundant detection circuit, communication module, conversion driving circuit and power supply module, the common detection circuit
Detection output and the detection output of redundant detection circuit are connect with the detection input of the controller respectively, the control
The control output end of device is connect by conversion driving circuit with the driving mechanism, and inspection is provided on the side wall of the control cabinet
Output terminal is surveyed, the controller is connect by communication module with detection output, the inspection of the common detection circuit
The input terminal that input terminal is connected to common wiring pattern end is surveyed, the detection input of redundant detection circuit is connected to the defeated of spare terminals
Enter end, the power output end of the power supply module power input with the power input of controller, common detection circuit respectively
The power input at end, the power input of redundant detection circuit, the power input of communication module and conversion driving circuit connects
It connects.
Preferably, the common detection circuit includes resistance R01, resistance R02, resistance R03, resistance R04, operation amplifier
Device U1, resistance R1, resistance R2, resistance R3, resistance R4, capacitor C01, capacitor C02 and capacitor C1, the conversion driving circuit include
Rotate forward isolation circuit, reversion isolation circuit, the first relay K1, the second relay K2 and positive and negative rotation driving circuit, the resistance
One end of R01 is connect with the input terminal at common wiring pattern end 20, the other end of resistance R01 by resistance R02 respectively with the resistance
One end of R03, one end of resistance R04 are connected with one end of capacitor C01, the other end and operational amplifier U1 of the resistance R04
Electrode input end, capacitor C02 one end connected with one end of resistance R1, the output end of the operational amplifier U1 respectively with electricity
One end of resistance R3 connect with one end of resistance R4, the other end of the resistance R3 and one end of resistance R2 and operational amplifier U1's
Negative input connection, the other end of resistance R2 are connect with the first power output end of the power supply module, the resistance R4
The other end connect respectively with the input terminal of one end of capacitor C1 and controller U2, the other end of the resistance R1, resistance R03
The other end, the other end of capacitor C1, the other end of capacitor C01, capacitor C02 the other end be connected to ground respectively, controller U2
The first signal control terminal inputted by rotating forward the rotating forward of isolation circuit and the first relay K1 and the positive and negative rotation driving circuit
The first signal control terminal at end, the controller U2 is driven by reversion isolation circuit and the second relay K2 and the positive and negative rotation
The non-inverting input connection of dynamic circuit, the output end of positive and negative rotation driving circuit are connect with the driving mechanism.
Preferably, the positive and negative rotation driving circuit is the H-bridge drive circuit that switch mosfet pipe or triode form, described
Driving mechanism is motor.
Preferably, the communication module is serial communication modular or wireless communication module, which is bluetooth
Communication module, Zigbee wireless communication module or GPRS communication module.
In conclusion the utility model has following technical effect that since the utility model uses above-mentioned technical proposal
(1), it is suitable for exchanging the work enterprise distribution of 50Hz, voltage rating to 440V, agreement heating current to 1600A
In equipment.For the security isolation of the common power supply of power supply system and the automatic conversion of backup power source and two power supply units,
And can be used for frequently switching on disjunction power supply line, good buffer action can be played, and be able to achieve quick-make disjunction electricity
Road carries out circuit conversion, and the judgement and conversion operation of mistake will not occur in conversion process, be also convenient for remotely monitoring, greatly
Change-over switch items electric property, the electrical safety of mechanical performance and equipment are improved, also ensures change-over switch work
Stability, reliability and safety.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of double power supply automatic transfer switch of the utility model；
Fig. 2 is a kind of front view of double power supply automatic transfer switch of the utility model；
Fig. 3 is the circuit control principle figure of the control panel of the utility model；
Fig. 4 is the common switching group and backup circuit breaker group control catenation principle figure of the utility model；
Fig. 5 is the common detection circuit of the utility model and the circuit diagram of redundant detection circuit；
In attached drawing, pedestal 1, lower case 2, upper housing 3, control cabinet 4, rotational handle 5, nameplate region 6, electrical key lock
7, mechanism padlock 8, common wiring pattern end 20, spare terminals 30, output shaft 40, shaft 50.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, referring to the drawings and enumerate excellent
Embodiment is selected, the utility model is further described.However, it is necessary to illustrate, many details listed in specification
It is specific even without these just for the sake of making reader have a thorough explanation to the one or more aspects of the utility model
Details also may be implemented the utility model these aspect.
As depicted in figs. 1 and 2, a kind of double power supply automatic transfer switch according to the present utility model, it is characterised in that: including
Pedestal 1 and the lower case 2 being fixed on pedestal 1, upper housing 3 and control cabinet 4, are provided with driving mechanism in the control cabinet 4
And control panel, the control panel and the driving mechanism are electrically connected, the output shaft 40 of the driving mechanism is pierced by out of control cabinet 4 to be set
It sets in the gap between the lower case 2 and upper housing 3, is respectively arranged with common switching group in lower case 2 and upper housing 3
With backup circuit breaker group, spare terminals 30 and common wiring pattern end are stretched out respectively in the two sides of upper housing 3 and the two sides of lower case 2
20, the both ends of the common switching group are separately connected common wiring pattern end 20, and the both ends of backup circuit breaker group are separately connected spare wiring
End 30, the output shaft 40 of the driving mechanism carry out kind of drive connection with the common switching group and backup circuit breaker group respectively,
It is provided with rotational handle 5 on the right side of the central front of the control cabinet 4, which is provided centrally with axis hole, rotation
The axis hole of handle 5 is connected by shaft 50 and the output shaft 40 of the driving mechanism, in the front side wall of the control cabinet 4
And it is provided with nameplate region 6, electrical key lock 7 and mechanism padlock 8 around rotational handle 5, electrical key lock 7 is used for
Control switch internal control route power supply, when electrolock is opened, switching group can realize full-automatic, fortune control, set disconnection (setting 0) behaviour by force
Make, when electrolock is closed, switch can only be operated by rotational handle 5, when operating rotational handle 5, it is necessary to first close electrolock.?
When power supply line overhauls, enabling mechanism padlock first makes switch (disconnect two switches in most middle apron position with operation handle
Group), then padlock mechanism and upper padlock are picked up, it can be overhauled and (pick up padlock then cut-out switch internal control power supply, switch nothing
Method is automatic, and cannot achieve manually).
In the present invention, as shown in Figure 3 and Figure 4, be provided on the control panel controller, one or more often
With detection circuit, one or more redundant detection circuit, communication module, conversion driving circuit and power supply module, power supply module
The voltage Vs of first power output end output is 0-5V or 0-3V, the voltage of the second source output end output Vcc of power supply module
Voltage for 5V, the second source output end output Vdd of power supply module is 15V；The communication module be serial communication modular or
Wireless communication module carries out in fact so that the energized state of automatic change-over be made to be transmitted to remote monitoring center by communication module
When monitor, the positive and negative rotation driving circuit is the H-bridge drive circuit that switch mosfet pipe or triode form, and the controller is
Singlechip controller or PLC controller, the driving mechanism are direct current generator；The detection output of the common detection circuit and
The detection output of redundant detection circuit is connect with the detection input of the controller respectively, the control output of the controller
End is connect by conversion driving circuit with the driving mechanism, and detection output is provided on the side wall of the control cabinet 4
5, the controller is connect by communication module with detection output 5, the detection input of the common detection circuit
It is connected to the input terminal at common wiring pattern end 20, the detection input of redundant detection circuit is connected to the input of spare terminals 30
End, the power output end of the power supply module respectively with the power input of controller, common detection circuit power input,
Power input, the power input of communication module of redundant detection circuit are connected with the power input of conversion driving circuit,
In the present invention, the common switching group and backup circuit breaker group all use disconnecting switch group to switch over power supply, isolation
The input terminal of common disconnecting switch group S1 and reserve isolators group S2 in switching group are separately connected common power supply and standby electricity
Source, and using all the way or three Lu Changyong detection circuits, all the way or three tunnel redundant detection circuits acquire respectively commonly use disconnecting switch group
The input terminal of the spare terminals 30 of the input terminal and reserve isolators group S2 at the common wiring pattern end 20 of S1 is measured in real time,
I.e. real-time detection often uses the energization connection between power supply, backup power source and load, and common power supply needs when being in malfunction
(or carrying out manual switching) is closed to reserve isolators group S2 immediately, thus start backup power source, it is common when eliminating
After the failure of power supply, backup power source is switched to common power supply by automatic or manual.The common switch that common wiring pattern end 20 is connected
It when group is in energized state, commonly uses whether detection circuit detection common wiring pattern end 20 is in energized state, commonly uses detection circuit pair
The voltage at common wiring pattern end 20 is acquired and the voltage that will test be compared with preset false voltage value after export one
Voltage is detected, judges the voltage change situation of common power supply output, when the voltage of detection is more than preset voltage value, controller
Output control signal carries out conversion operation to driving mechanism by conversion driving circuit, cuts common switching group to backup circuit breaker group
It changes and is connect with backup power source and continue to power to the load.
In the present invention, as shown in Fig. 3, Fig. 4 and Fig. 5, the knot of the common detection circuit and redundant detection circuit
Structure principle is identical, is respectively connected to the input terminal output end of power supply (common) at common wiring pattern end 20 and spare terminals 30 is defeated
Enter end (output end of backup power source), the common detection circuit includes resistance R01, resistance R02, resistance R03, resistance R04, fortune
Calculate amplifier U1, resistance R1, resistance R2, resistance R3, resistance R4, capacitor C01, capacitor C02 and capacitor C1, the conversion driving
Circuit includes rotating forward isolation circuit, reversion isolation circuit, the first relay K1, the second relay K2 and positive and negative rotation driving circuit,
One end of the resistance R01 is connect with the input terminal at common wiring pattern end 20, the other end of resistance R01 by resistance R02 respectively with
One end of the resistance R03, one end of resistance R04 are connected with one end of capacitor C01, the other end of the resistance R04 and operation
The electrode input end of amplifier U1, one end of capacitor C02 are connected with one end of resistance R1, the output end of the operational amplifier U1
It is connect respectively with one end of one end of resistance R3 and resistance R4, the other end and one end of resistance R2 and operation of the resistance R3 is put
The negative input connection of big device U1, the other end of resistance R2 are connect with the first power output end of the power supply module, institute
The other end for stating resistance R4 is connect with the input terminal of one end of capacitor C1 and controller U2 respectively, the other end of the resistance R1,
The other end of resistance R03, the other end of capacitor C1, the other end of capacitor C01, capacitor C02 the other end be connected to ground respectively, should
The first signal control terminal of controller U2 is by rotating forward isolation circuit and the first relay K1 and the positive and negative rotation driving circuit
Rotate forward input terminal, the first signal control terminal of the controller U2 by reversion isolation circuit and the second relay K2 with it is described
The non-inverting input of positive and negative rotation driving circuit connects, and the output end of positive and negative rotation driving circuit is connect with the input driving mechanism.
In the present invention, the voltage Vs of the first power output end output of the power supply module is (for preset false voltage 0-5V
Or 0V-3V) and be compared and judge with the voltage Vi of detected common wiring pattern end 20 acquisition, detected common wiring pattern end 20
The voltage Vi of input terminal is filtered through resistance R01, resistance R02, resistance R03, resistance R04 partial pressure and capacitor C01 and capacitor C02
Afterwards, make acquisition testing to voltage become more stable voltage, output multilevel iudge is then carried out by operational amplifier U1
Voltage is filtered using resistance R4 partial pressure, capacitor C1, ensures that voltage is still steady after partial pressure and generates certain prolong in this way
When, and then improve the accuracy of voltage detecting.Voltage for commonly using the common wiring pattern end 20 of detection circuit detection breaks down
When, 20 Non voltage output of common wiring pattern end, then controller U2 exports PWM1 pulse signal at this time, by optical coupling isolator U3, three
Pole pipe Q1 amplification after and the first relay K1 is driven and is closed, at this point, by 4 switch mosfet pipes: V1, V2, V3,
In the H-bridge drive circuit of V4 composition, switch mosfet pipe V2, V3 conducting rotate clockwise motor M and pass through output shaft 40 to pass
The contact quick separating (not shown) of dynamic common switching group (common disconnecting switch S1), common power supply is disconnected, motor M drives
Output shaft 40 turns to after certain angle the contact quick-make (not shown) for making backup circuit breaker group (reserve isolators S2), will
Backup power source disconnecting is logical, so that the load that is negative is powered.It restores electricity after the elimination of common power failure, at this point, common wiring pattern
There is voltage output at end 20, then controller U2 exports PWM2 pulse signal at this time, amplifies by optical coupling isolator U4, triode Q21
It is driven and is closed afterwards and to the second relay K2, at this point, by 4 switch mosfet pipes: the H bridge that V1, V2, V3, V4 are formed
In driving circuit, MOSFET switching tube V1, V4 conducting rotate counterclockwise motor M and pass through the transmission backup circuit breaker of output shaft 40
The contact quick separating (not shown) of group (reserve isolators S2), backup power source is disconnected, and motor M drives 40 turns of output shaft
Make the contact quick-make (not shown) for commonly using switching group (common disconnecting switch S1) after moving certain angle, by common power supply
Disconnecting is logical, to be powered using the common power supply load that is negative.The utility model is completed switch conversion and is operated and to power supply line
In load supplying, both protected the safety of electrical equipment in this way, and also ensured the continuity of power supply, also will be in power supply line
Interference is isolated and has been discharged to signal, ensure that stability, reliability and the safety of change-over switch work.The utility model
Common switching group and backup circuit breaker group three spare terminals 30 are respectively adopted (by four ends of incoming cables and four leading-out terminal groups
At) and three common wiring pattern ends 20 (being made of four ends of incoming cables and four leading-out terminals), and long distance is realized by communication module
From operation control, the work of common or in-put of spare power supply is enabled, the automatic change-over of the utility model is widely used and high level
The switching of the power supply of architecture storey, fire-fighting equipment power supply, freeway toll station have power supply switching and all kinds of supply equipments
The switching of electricity consumption and transmission device electricity consumption.
In the present invention, in conjunction with Fig. 1 to Fig. 5, the conversion and control of the double power supply automatic transfer switch of the utility model
Principle be further elaborated, the control of institute's institute's double power supply automatic transfer switch has the common power supply conversion of common switching group control
Control, the three kinds of conversion regimes of backup power source conversion and control for disconnecting conversion and control and the control of backup circuit breaker group, and pass through detection
The voltage of common switching group input terminal and the voltage of backup circuit breaker group input terminal are compared judgement with preset false voltage, from
And complete common power supply conversion and control, disconnect the conversion between conversion and control and backup power source conversion and control three, firstly, passing through
Common detection circuit real-time detection often uses the first of switching group input terminal to detect voltage Vi, and by the first detection voltage with it is preset
False voltage Vs is compared, when Vi is more than or less than Vs Shi Douwei abnormal conditions, to judge the voltage of common power supply output
Abnormal conditions, when the first detection voltage is more than preset false voltage Vs, controller output control signal and waiting delay T1
Afterwards, which is filtered delay by adjusting the size of capacitor C02 and C1, and waiting delay T1 is no more than 20ms, using turn
It changes driving circuit and conversion operation is carried out to driving mechanism, make common switching group to disconnection conversion and control or the switching of backup circuit breaker group；
When the first detection voltage is more than preset false voltage value, controller exports PWM1 pulse control signal by conversion driving
Circuit carries out conversion operation clockwise to driving mechanism, makes common switching group to disconnecting to complete to disconnect control conversion or to spare
Power supply switching continues to power to the load；Specifically used motor M, which is rotated clockwise and passed through output shaft 40, is driven common switching group (often
With the contact quick separating of disconnecting switch S1), common power supply is disconnected, after motor M drives output shaft 40 to turn to certain angle
The contact quick-make for making backup circuit breaker group (reserve isolators S2), backup power source is connected, so that the load that is negative is powered.
Secondly, by the second detection voltage Vi2 of redundant detection circuit real-time detection backup circuit breaker group input terminal, and the second detection is electric
Pressure is compared with preset false voltage Vs, when Vi2 is more than or less than Vs Shi Douwei abnormal conditions, to judge backup power source
The electric voltage exception situation of output；When the second detection voltage is more than preset false voltage value, controller output control signal warp
It crosses conversion driving circuit and conversion operation is carried out to driving mechanism, cut backup circuit breaker group to disconnection conversion and control or common switching group
It changes, continues to power to the load to complete to disconnect control conversion or to the switching of common power supply；Specific detection process are as follows: stating the second inspection
When survey voltage Vi2 is more than preset false voltage Vs, the first detection voltage for being detected simultaneously by common switching group input terminal restores
Normal condition, and judge the duration T 2 of common electric power output voltage abnormal conditions, duration T 2 is no more than 30min, nothing
Whether restore normally by backup power source with the presence or absence of abnormal conditions or unusual condition, i.e., no matter the second of backup circuit breaker group input terminal
Whether detection voltage is in normal or abnormal situation, after controller exports PWM2 pulse control signal and waiting delay T1, then passes through
It crosses conversion driving circuit and conversion operation counterclockwise is carried out to driving mechanism, backup circuit breaker group is to conversion and control is disconnected, to complete to break
It opens backup circuit breaker group control conversion or continues to power to the load to the switching of common power supply；Restore to supply after common power failure is eliminated
Electricity, there is voltage output at common wiring pattern end 20 at this time, then controller U2 exports PWM2 pulse signal, by optical coupling isolator U4, three
Pole pipe Q21 amplification after and the second relay K2 is driven and is closed, at this point, by 4 switch mosfet pipes: V1, V2, V3,
In the H-bridge drive circuit of V4 composition, MOSFET switching tube V1, V4 conducting rotate counterclockwise motor M and pass through output shaft 40
It is driven the contact quick separating of backup circuit breaker group (reserve isolators S2), backup power source is disconnected, motor M drives output shaft
40 turn to after certain angle the contact quick-make for making common switching group (common disconnecting switch S1), by common power supply disconnecting
It is logical, to be powered using the common power supply load that is negative.Output voltage by commonly using power supply and backup power source is detected and is executed
The switch state of common switching group, backup circuit breaker group, to meet preset condition and reach the scheduled waiting transfer delay time,
It is the demand of non-transformer automatic conversion, to effectively avoid otherwise therefore, it is determined that whether really there is the demand of power supply automatic conversion
The unnecessary movement of power selection switch caused by voltage fluctuation or manual operation, effectively prolongs its service life.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of double power supply automatic transfer switch, it is characterised in that: including pedestal and the lower case being fixed on the base, upper housing
And control cabinet, it is provided with driving mechanism and control panel in the control cabinet, the control panel and the driving mechanism are electrically connected,
The output shaft of the driving mechanism from being pierced by control cabinet in the gap being arranged between the lower case and upper housing, in lower case and
It is respectively arranged with common switching group and backup circuit breaker group in upper housing, is stretched out respectively in the two sides of upper housing and the two sides of lower case
Spare terminals and common wiring pattern end, the both ends of the common switching group are separately connected common wiring pattern end, and the two of backup circuit breaker group
End is separately connected spare terminals, and the output shaft of the driving mechanism is carried out with the common switching group and backup circuit breaker group respectively
Kind of drive connection, is provided with rotational handle on the right side of the central front of the control cabinet, the center setting of the rotational handle
There is axis hole, the axis hole of rotational handle is connected by the output shaft of shaft and the driving mechanism.
2. a kind of double power supply automatic transfer switch according to claim 1, it is characterised in that: in the front of the control cabinet
Nameplate region, electrical key lock and mechanism padlock are provided with around side wall and close rotational handle.
3. a kind of double power supply automatic transfer switch according to claim 1, it is characterised in that: be arranged on the control panel
There are controller, one or more common detection circuit, one or more redundant detection circuit, communication module, conversion driving circuit
And power supply module, the detection output of the detection output of the common detection circuit and redundant detection circuit respectively with the control
The detection input of device processed connects, and the control output end of the controller is connected by conversion driving circuit and the driving mechanism
It connects, detection output is provided on the side wall of the control cabinet, the controller is defeated by communication module and the detection
Terminal connects out, and the detection input of the common detection circuit is connected to the input terminal at common wiring pattern end, redundant detection circuit
Detection input be connected to the input terminals of spare terminals, the power output end of the power supply module respectively with the electricity of controller
Source input terminal, the common power input of detection circuit, the power input of redundant detection circuit, communication module power input
End is connected with the power input of conversion driving circuit.
4. a kind of double power supply automatic transfer switch according to claim 3, it is characterised in that: the common detection circuit packet
Include resistance R01, resistance R02, resistance R03, resistance R04, operational amplifier U1, resistance R1, resistance R2, resistance R3, resistance R4, electricity
Hold C01, capacitor C02 and capacitor C1, the conversion driving circuit includes rotating forward isolation circuit, reversion isolation circuit, the first relay
Device K1, the second relay K2 and positive and negative rotation driving circuit, one end of the resistance R01 are connect with the input terminal at common wiring pattern end,
The other end of resistance R01 passes through one of resistance R02 respectively with one end of the resistance R03, one end of resistance R04 and capacitor C01
End connection, the other end and the electrode input end of operational amplifier U1, one end of capacitor C02 and the resistance R1 of the resistance R04
One end connection, the output end of the operational amplifier U1 are connect with one end of one end of resistance R3 and resistance R4 respectively, the electricity
The other end of resistance R3 is connect with the negative input of one end of resistance R2 and operational amplifier U1, the other end of resistance R2 and institute
State power supply module the first power output end connection, the other end of the resistance R4 respectively with one end of capacitor C1 and controller U2
Input terminal connection, the other end of the resistance R1, the other end of resistance R03, the other end of capacitor C1, capacitor C01 it is another
End, capacitor C02 the other end be connected to ground respectively, the first signal control terminal of controller U2 is by rotating forward isolation circuit and the
First signal control terminal of the rotating forward input terminal of one relay K1 and the positive and negative rotation driving circuit, the controller U2 passes through
Reversion isolation circuit and the second relay K2 are connect with the non-inverting input of the positive and negative rotation driving circuit, positive and negative rotation driving circuit
Output end connect with the driving mechanism.
5. a kind of double power supply automatic transfer switch according to claim 3 or 4, it is characterised in that: the positive and negative rotation driving
Circuit is the H-bridge drive circuit that switch mosfet pipe or triode form, and the driving mechanism is motor.
6. a kind of double power supply automatic transfer switch according to claim 3, it is characterised in that: the communication module is serial ports
Communication module or wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728951.0U CN208954831U (en) | 2018-10-24 | 2018-10-24 | A kind of double power supply automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821728951.0U CN208954831U (en) | 2018-10-24 | 2018-10-24 | A kind of double power supply automatic transfer switch |
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| Publication Number | Publication Date |
|---|---|
| CN208954831U true CN208954831U (en) | 2019-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821728951.0U Active CN208954831U (en) | 2018-10-24 | 2018-10-24 | A kind of double power supply automatic transfer switch |
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| Country | Link |
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| CN (1) | CN208954831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166744A (en) * | 2018-10-24 | 2019-01-08 | 南宁安普电力设备有限公司 | A kind of double power supply automatic transfer switch and its switching control method |
-
2018
- 2018-10-24 CN CN201821728951.0U patent/CN208954831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166744A (en) * | 2018-10-24 | 2019-01-08 | 南宁安普电力设备有限公司 | A kind of double power supply automatic transfer switch and its switching control method |
| CN109166744B (en) * | 2018-10-24 | 2024-03-22 | 广西安裕普电力科技有限公司 | Dual-power automatic transfer switch and transfer control method thereof |
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