CN207366729U - A kind of double epitope ammeter platform circuits - Google Patents
A kind of double epitope ammeter platform circuits Download PDFInfo
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- CN207366729U CN207366729U CN201721519971.2U CN201721519971U CN207366729U CN 207366729 U CN207366729 U CN 207366729U CN 201721519971 U CN201721519971 U CN 201721519971U CN 207366729 U CN207366729 U CN 207366729U
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Abstract
Electronic measuring instrument technical field is the utility model is related to, more particularly, to a kind of double epitope ammeter platform circuits, including two epitopes, alternating current is converted into low tension using transformer, the size and Orientation of three-phase kilowatt-hour meter input current is realized by first switch circuit；Second switch circuit is used for the input voltage for adjusting three-phase kilowatt-hour meter, and during input voltage difference, the different color of diode displaying.After voltage is regulated by on-off circuit, ammeter is positioned on ammeter platform, microswitch is touched and connects, then circuit powers on, and realizes the function of automatic fast powering-up.The utility model circuit structure is simple, and equipment cost is relatively low, and is provided with double epitopes, can effectively improve ammeter detection work efficiency.
Description
Technical field
Electronic measuring instrument technical field is the utility model is related to, more particularly, to a kind of double epitope ammeter platform circuits.
Background technology
Before multi-function wrist-instrument and metering automatic terminal installation, for ensure the various functions of ammeter are normal, basic parameter such as
Whether the parameters such as rate parameter, measuring point parameter set correct, it is necessary to be examined to the function and parameter of electricity and metering automatic terminal
Look into.For the benefit of ammeter detects, and generally ammeter is powered using ammeter platform, realizes the quick power supply to ammeter.Due to ammeter
There is plurality of specifications with metering automatic terminal, the requirement to supply voltage is different, therefore a kind of ammeter platform may be only available for one kind
The ammeter or metering automation terminal of specification, and a variety of different supply voltages, ammeter platform applied widely can be provided, in it
Portion's circuit design is complex, it is necessary to which element is more, and cost is higher, and in addition current ammeter platform is generally only provided with an epitope,
It is less efficient in ammeter test.
Utility model content
The utility model is at least one defect overcome described in the above-mentioned prior art, there is provided a kind of double epitope ammeter platform electricity
Road, to simplify circuit structure, reduces equipment cost, and is provided with double epitopes, can effectively improve ammeter detection work efficiency.
In order to solve the above technical problems, the utility model employs following technical solution：
A kind of double epitope ammeter platform circuits, including power supply, the first epitope circuit and the second epitope circuit；
The first epitope circuit includes the first microswitch, transformer T1, transformer T2, first switch circuit, second
On-off circuit, three switching groups and ammeter port 1, ammeter port 2, ammeter port 3, ammeter port 4, ammeter port 5, ammeter end
Mouth 6, ammeter port 7, ammeter port 8, ammeter port 9, ammeter port 10；The transformer T1 includes first winding and three two
Secondary winding, wherein first winding are equipped with three taps；The transformer T2 includes first winding, secondary winding W1 and secondary winding
W2's, wherein secondary winding W1 is equipped with four taps；
The first winding of the transformer T2 is connected through the first microswitch with power supply, each tap of transformer T2 and the
One on-off circuit connects, and the first switch circuit is also connected with each tap of transformer T1 first windings, first switch circuit
For controlling the input voltage of transformer T1；Three secondary windings of transformer T1 connect ammeter port 1 through three groups of switches respectively
With ammeter port 3, ammeter port 4 and ammeter port 6, ammeter port 7 and ammeter port 9；The transformer T2 secondary windings W1
One end tap be connected with ammeter port 10, its excess-three tap is connected with second switch circuit, transformer T2 secondary windings
W2 is connected with rectification circuit and diode in turn, and is connected with second switch circuit, and the second switch circuit is respectively through described
Switching group is connected with ammeter port 2, ammeter port 5, ammeter port 8；The second switch circuit is used for connected electricity
The supply voltage of table port is controlled；
The second epitope circuit is except the first microswitch described in the second microswitch link position and the first epitope circuit
Different outer, remaining circuit structure is identical with the first epitope circuit；In the second epitope circuit, the second switch circuit connection
Second microswitch, the second microswitch is again respectively through the switching group and ammeter port 2, ammeter port 5, ammeter port 8
Connection.
Further, the first switch circuit includes switch K10, switch K6 and switch K11, the switch K10 and opens
Pass K11 is single-pole double-throw switch (SPDT), and mono- non-moving ends of switch K10 connection power firestreak or the first microswitch, toggle switch K10 are another
The centre tap of non-moving end connection transformer T2；The switch K6 includes the single-pole double-throw switch (SPDT) of two groups of synchronization actions, switchs K6
The first moved end connecting valve K10 moved end, the second moved end connection zero-power line, switch K6 two groups of non-moving ends correspond to intersect connect
The moved end of connecting valve K11 and one end tap of transformer T1 are distinguished after connecing, two non-moving ends for switching K11 connect transformer respectively
The other end tap and centre tap of T1.
Further, the diode is four foot all-colour LEDs, including cathode, the first anode, the second anode and the 3rd
Anode.
Further, the second switch circuit includes switch K2 and switch K1, the switch K2 are same including two groups
The single-pole double-throw switch (SPDT) of step action, the switch K1 include the single-pole double-throw switch (SPDT) of three groups of synchronization actions, including pin 1, pin
2nd, pin 3, pin 4, pin 5, pin 6, pin 7, pin 8, pin 9, wherein pin 1, pin 2, pin 3 are double for one group of hilted broadsword
Throw switch, pin 4, pin 5, pin 6 are one group of single-pole double-throw switch (SPDT), and pin 7, pin 8, pin 9 are opened for three groups of single-pole double throws
Close, wherein pin 2, pin 5, pin 8 are moved end, remaining pin is non-moving end；The first single-pole double throw of the switch K2 is opened
Two non-moving ends closed connect a centre tap of the other end tap of the transformer T2 respectively, and the first single-pole double-throw switch (SPDT) moves
End even switchs the pin 3 and pin 6 of K1, and switching two non-moving ends of the second single-pole double-throw switch (SPDT) of K2, to connect four feet respectively full-color
The first anode and the second anode of LED, switchs the pin 9 of the moved end connecting valve K1 of the second single-pole double-throw switch (SPDT) of K2, switch
The pin 1 of K2 connects another centre tap of transformer T2, and the pin 2 connects the ammeter port 2 and ammeter port 8, institute
State pin 5 and connect the ammeter port 5, the pin 4 connects the ammeter port 10, and it is complete that the pin 7 connects four foot
The 3rd anode of color LED, the pin 8 connect the cathode output end of the rectification circuit.
Further, the rectification circuit includes rectifier diode, filter capacitor, filter resistance and current-limiting resistance, institute
State transformer T2 secondary winding W2 connect with rectifier diode after in parallel with filter capacitor and filter resistance respectively, filter resistance
Both ends with filter capacitor are cathode output end and cathode output end, and wherein cathode output end connects the cathode of four foot all-colour LEDs.
Preferably, further include breaker, master switch K and indicator light, the power supply successively with breaker, master switch K, instruction
Lamp string joins, and is connected again with the first epitope circuit and the second epitope circuit afterwards.
Double epitope platform circuits of the utility model include two epitopes, and alternating current is converted to low tension using transformer, lead to
The size and Orientation that first switch circuit realizes three-phase kilowatt-hour meter input current is crossed, wherein switch K10 and K11 is used to adjust input electricity
The size of stream, two groups of non-moving ends of switch K6 switches K6 correspond to interconnection, forward and reverse switching of voltage are realized, for adjusting
The direction of input current；Second switch circuit is used for the input voltage for adjusting three-phase kilowatt-hour meter, and during input voltage difference, luminous two
Pole pipe shows different colors.After voltage is regulated by on-off circuit, ammeter is positioned on ammeter platform, fine motion is touched and opens
Close and connect, then circuit powers on, and realizes the function of automatic fast powering-up.
Compared with prior art, beneficial effect is：The utility model realizes different outputs by simple on-off circuit
The switching of voltage, suitable for powering on for different type ammeter, circuit is simple, and equipment cost is low；Power supply is controlled by microswitch
Connection, realize ammeter fast powering-up.
Brief description of the drawings
Fig. 1 is the circuit diagram of the first epitope circuit in one embodiment of the utility model.
Fig. 2 is the circuit diagram of the second epitope circuit in one embodiment of the utility model.
Embodiment
Attached drawing is only for illustration, it is impossible to is interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some components to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by attached drawing.Being given for example only property of position relationship described in attached drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in Figure 1, 2, a kind of double epitope ammeter platform circuits, including power supply, the first epitope circuit and the second epitope circuit；
First epitope circuit includes the first microswitch, transformer T1, transformer T2, first switch circuit, second switch
Circuit, three switching groups and ammeter port 1, ammeter port 2, ammeter port 3, ammeter port 4, ammeter port 5, ammeter port 6,
Ammeter port 7, ammeter port 8, ammeter port 9, ammeter port 10；Transformer T1 includes first winding and three secondary windings,
Wherein first winding is equipped with three taps；Transformer T2 includes first winding, secondary winding W1 and secondary winding W2, wherein secondary
Winding W1's is equipped with four taps；
The first winding of transformer T2 is connected through the first microswitch with power supply, each tap and first of transformer T2
On-off circuit connects, and first switch circuit is also connected with each tap of transformer T1 first windings, and first switch circuit is used to control
The input voltage of transformer T1 processed；Three secondary windings of transformer T1 connect ammeter port 1 and electricity through three groups of switching groups respectively
Table port 3, ammeter port 4 and ammeter port 6, ammeter port 7 and ammeter port 9；Take out one end of transformer T2 secondary windings W1
Head is connected with ammeter port 10, its excess-three tap is connected with second switch circuit, and transformer T2 secondary windings W2 connects successively
Rectification circuit and four foot all-colour LEDs are connected to, and is connected with second switch circuit, second switch circuit is respectively through switching group and ammeter
Port 2, ammeter port 5, ammeter port 8 connect；Second switch circuit is used for the supply voltage to connected ammeter port
It is controlled；
Specifically, it is hilted broadsword that first switch circuit, which includes switch K10, switch K6 and switch K11, switch K10 and switch K11,
Commutator, mono- non-moving ends of switch K10 connection power firestreak or the first microswitch, another non-moving end connections of toggle switch K10
The centre tap of transformer T2；Switching K6 includes the single-pole double-throw switch (SPDT) of two groups of synchronization actions, switchs the first moved end connection of K6
Switch the moved end of K10, the second moved end connection zero-power line, two groups of non-moving ends for switching K6 correspond to connect respectively after interconnection and open
The moved end of K11 and one end tap of transformer T1 are closed, two non-moving ends for switching K11 connect the other end tap of transformer T1 respectively
And centre tap.
Second switch circuit includes switch K2 and switch K1, and switch K2 includes the single-pole double-throw switch (SPDT) of two groups of synchronization actions,
Switching K1 includes the single-pole double-throw switch (SPDT) of three groups of synchronization actions, including pin 1, pin 2, pin 3, pin 4, pin 5, pin 6,
Pin 7, pin 8, pin 9, wherein pin 1, pin 2, pin 3 are one group of single-pole double-throw switch (SPDT), and pin 4, pin 5, pin 6 are
One group of single-pole double-throw switch (SPDT), pin 7, pin 8, pin 9 are three groups of single-pole double-throw switch (SPDT)s, and wherein pin 2, pin 5, pin 8 is equal
For moved end, remaining pin is non-moving end；Two non-moving ends for switching the first single-pole double-throw switch (SPDT) of K2 connect the transformer respectively
One centre tap of the other end tap of T2, the moved end of the first single-pole double-throw switch (SPDT) even switch the pin 3 and pin 6 of K1, switch
Two non-moving ends of the second single-pole double-throw switch (SPDT) of K2 connect the first anode and the second anode of four foot all-colour LEDs respectively, switch K2
The second single-pole double-throw switch (SPDT) moved end connecting valve K1 pin 9, the pin 1 for switching K2 connects another centre of transformer T2
Tap, pin 2 connect ammeter port 2 and ammeter port 8, and pin 5 connects ammeter port 5, and pin 4 connects ammeter port 10, draws
Foot 7 connects the 3rd anode of four foot all-colour LEDs, and pin 8 connects the cathode output end of rectification circuit.
Further, rectification circuit includes rectifier diode, filter capacitor, filter resistance and current-limiting resistance, transformer T2
Secondary winding W2 connect with rectifier diode after in parallel with filter capacitor and filter resistance respectively, filter resistance and filter capacitor
Both ends be cathode output end and cathode output end, wherein cathode output end connects the cathode of four foot all-colour LEDs.
Second epitope circuit in addition to the second microswitch link position is different from first the first microswitch of epitope circuit, its
Remaining circuit structure is identical with the first epitope circuit；In the second epitope circuit, second switch circuit connects the second microswitch,
Second microswitch is connected through switching group with ammeter port 2, ammeter port 5, ammeter port 8 respectively again.
In the present embodiment, further include breaker, master switch K and indicator light, power supply successively with breaker, master switch K, refer to
Show that lamp string joins, be connected again with the first epitope circuit and the second epitope circuit afterwards.
Double epitope platform circuits of the utility model include two epitopes, realize that three-phase kilowatt-hour meter inputs by first switch circuit
The size and Orientation of electric current, wherein switch K10 and K11 is used for the size for adjusting input current, two groups of switch K6 switches K6 are not
Moved end corresponds to interconnection, forward and reverse switching of voltage is realized, for adjusting the direction of input current；Second switch circuit is used
In the input voltage for adjusting three-phase kilowatt-hour meter, input voltage is divided into 57.7v and 100v and 220v, when input voltage is different, shines
Diode shows different colors.After voltage is regulated by on-off circuit, ammeter is positioned on ammeter platform, touches fine motion
Switch connection, then circuit power on, realize the function of automatic fast powering-up.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (6)
1. a kind of double epitope ammeter platform circuits, it is characterised in that including power supply, the first epitope circuit and the second epitope circuit；
The first epitope circuit includes the first microswitch, transformer T1, transformer T2, first switch circuit, second switch
Circuit, three switching groups and ammeter port 1, ammeter port 2, ammeter port 3, ammeter port 4, ammeter port 5, ammeter port 6,
Ammeter port 7, ammeter port 8, ammeter port 9, ammeter port 10；The transformer T1 include first winding and three it is secondary around
Group, wherein first winding are equipped with three taps；The transformer T2 includes first winding, secondary winding W1 and secondary winding W2,
Wherein secondary winding W1's is equipped with four taps；
The first winding of the transformer T2 is connected through the first microswitch with power supply, each tap and first of transformer T2
On-off circuit connects, and the first switch circuit is also connected with each tap of transformer T1 first windings, and first switch circuit is used
In the input voltage of control transformer T1；Three secondary windings of transformer T1 connect 1 He of ammeter port through three groups of switches respectively
Ammeter port 3, ammeter port 4 and ammeter port 6, ammeter port 7 and ammeter port 9；The transformer T2 secondary windings W1's
One end tap is connected with ammeter port 10, its excess-three tap is connected with second switch circuit, transformer T2 secondary windings W2
Be connected with rectification circuit and diode in turn, and be connected with second switch circuit, the second switch circuit pass through respectively described in open
Pass group is connected with ammeter port 2, ammeter port 5, ammeter port 8；The second switch circuit is used for connected ammeter
The supply voltage of port is controlled；
The second epitope circuit is different from the first microswitch described in the first epitope circuit except the second microswitch link position
Outside, remaining circuit structure is identical with the first epitope circuit；In the second epitope circuit, the second switch circuit connection second
Microswitch, the second microswitch are connected through the switching group with ammeter port 2, ammeter port 5, ammeter port 8 respectively again.
2. a kind of double epitope ammeter platform circuits according to claim 1, it is characterised in that the first switch circuit includes
It is single-pole double-throw switch (SPDT) to switch K10, switch K6 and switch K11, the switch K10 and switch K11, and mono- non-moving ends of switch K10 connect
Connect power firestreak or the first microswitch, the centre tap of another non-moving end connection transformer T2 of toggle switch K10；The switch
K6 includes the single-pole double-throw switch (SPDT) of two groups of synchronization actions, switchs the moved end of the first moved end connecting valve K10 of K6, and the second moved end connects
Zero-power line is connect, two groups of non-moving ends for switching K6 correspond to after interconnection the moved end of connecting valve K11 respectively and transformer T1
One end tap, two non-moving ends for switching K11 connect the other end tap and centre tap of transformer T1 respectively.
3. a kind of double epitope ammeter platform circuits according to claim 1, it is characterised in that the diode is complete for four feet
Color LED, including cathode, the first anode, the second anode and the 3rd anode.
A kind of 4. double epitope ammeter platform circuits according to claim 3, it is characterised in that the second switch circuit bag
Including switch K2 and switch K1, the switch K2 includes the single-pole double-throw switch (SPDT) of two groups of synchronization actions, and the switch K1 includes three groups
The single-pole double-throw switch (SPDT) of synchronization action, including pin 1, pin 2, pin 3, pin 4, pin 5, pin 6, pin 7, pin 8, draw
Foot 9, wherein pin 1, pin 2, pin 3 are one group of single-pole double-throw switch (SPDT), and pin 4, pin 5, pin 6 are opened for one group of single-pole double throw
Close, pin 7, pin 8, pin 9 are three groups of single-pole double-throw switch (SPDT)s, and wherein pin 2, pin 5, pin 8 are moved end, remaining pin
For non-moving end；The other end that two non-moving ends of the first single-pole double-throw switch (SPDT) of the switch K2 connect the transformer T2 respectively is taken out
One centre tap of head, the moved end of the first single-pole double-throw switch (SPDT) even switch the pin 3 and pin 6 of K1, switch the second hilted broadsword of K2
Two non-moving ends of commutator connect the first anode and the second anode of four foot all-colour LEDs respectively, and the second hilted broadsword for switching K2 is double
The pin 9 of the moved end connecting valve K1 of throw switch, the pin 1 for switching K2 connects another centre tap of transformer T2, described to draw
Foot 2 connects the ammeter port 2 and ammeter port 8, and the pin 5 connects the ammeter port 5, and the pin 4 connects described
Ammeter port 10, the pin 7 connect the 3rd anode of the four feet all-colour LED, and the pin 8 connects the rectification circuit
Cathode output end.
5. a kind of double epitope ammeter platform circuits according to claim 4, it is characterised in that the rectification circuit includes whole
Stream diode, filter capacitor, filter resistance and current-limiting resistance, the secondary winding W2 of the transformer T2 connect with rectifier diode
In parallel with filter capacitor and filter resistance respectively afterwards, the both ends of filter resistance and filter capacitor export for cathode output end and anode
End, wherein cathode output end connect the cathode of four foot all-colour LEDs.
6. a kind of double epitope ammeter platform circuits according to claim 1, it is characterised in that further include breaker, master switch K
And indicator light, the power supply are connected with breaker, master switch K, indicator light successively, afterwards again with the first epitope circuit and the second table
Position circuit connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519971.2U CN207366729U (en) | 2017-11-15 | 2017-11-15 | A kind of double epitope ammeter platform circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519971.2U CN207366729U (en) | 2017-11-15 | 2017-11-15 | A kind of double epitope ammeter platform circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207366729U true CN207366729U (en) | 2018-05-15 |
Family
ID=62343834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721519971.2U Active CN207366729U (en) | 2017-11-15 | 2017-11-15 | A kind of double epitope ammeter platform circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207366729U (en) |
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2017
- 2017-11-15 CN CN201721519971.2U patent/CN207366729U/en active Active
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