CN206877854U - Double power supply automatic transfer switch - Google Patents

Double power supply automatic transfer switch Download PDF

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Publication number
CN206877854U
CN206877854U CN201720334950.7U CN201720334950U CN206877854U CN 206877854 U CN206877854 U CN 206877854U CN 201720334950 U CN201720334950 U CN 201720334950U CN 206877854 U CN206877854 U CN 206877854U
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CN
China
Prior art keywords
moving contact
spring
main shaft
contact
double
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
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CN201720334950.7U
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Chinese (zh)
Inventor
刘振忠
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Schneider Electric SE
Schneider Electric Industries SAS
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Schneider Electric SE
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Priority to CN201720334950.7U priority Critical patent/CN206877854U/en
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Abstract

A kind of double power supply automatic transfer switch, including frame;Moving contact component, there is moving contact rack and moving contact, one end of moving contact rack is pivotally secured in the frame, and the other end sets moving contact;First static contact, with the first power electric connection;Second static contact, electrically connected with second source, the moving contact can with the first static contact closing position, pivoted between the second static contact closing position and double points of positions, double power supply automatic transfer switch also includes the first magnet coil, second magnet coil, it is arranged on the first main shaft and the second main shaft and first connecting rod and second connecting rod of moving contact rack both sides, first main shaft and the second main shaft are pivotally secured to frame, one end of first connecting rod is pivotally secured to moving contact rack, the other end is prejudicially pivotally secured to the first main shaft, one end of second connecting rod is pivotally secured to moving contact rack, the other end is prejudicially pivotally secured to the second main shaft.

Description

Double power supply automatic transfer switch
Technical field
It the utility model is related to a kind of double power supply automatic transfer switch.
Background technology
Double power supply automatic transfer switch (ATSE) is used for the conversion of two-way power supply, to ensure that important load is continuously supplied Electricity.Traditionally, double power supply automatic transfer switch has two positions and three positions, and two positions refer to that ATSE moving contact can only be Switch between one power supply and the static contact of second source, i.e., the conversion time from the first power supply to second source is set by what is switched Give and immobilize between timing, its moving contact is connected with one of them static contact all the time, so that it is negative to be connected with moving contact It is powered all the time to carry terminals.Such product, which has at least two applications, to be limited to:Power supply can not be changed by the control of controller Conversion time to meet the needs of Program transformation;Electrical isolation application demand during plant maintenance can not be provided.Three positions are Refer to ATSE moving contact in addition on the static contact that can rest on the first power supply and second source, moreover it is possible to rest on and the first power supply Divide position with the static contact all discontiguous pair of second source.Such product can overcome the application of two position recited above Limitation.However, three position ATSE of prior art are driven by three electromagnet coils, and it is complicated, reliability is not high.
Thus, it is desirable to provide ATSE switches a kind of simple in construction and high reliability.
Utility model content
Present technology provides the three position ATSE mechanisms for only needing two electromagnet coil drivings, by the machine for setting three positions Structure stable state realizes three simple and reliable position ATSE mechanisms, i.e.,:The mechanism stable state provided during double points of positions by equilibrium bomb spring force, separately The mechanism stable state provided during outer two position by mechanism dead point.
A kind of double power supply automatic transfer switch is the utility model is related to, for being cut between the first power supply and second source Change, double power supply automatic transfer switch includes frame;Moving contact component, there is moving contact rack and moving contact, moving contact rack One end is pivotally secured in the frame, and the other end sets moving contact, and a bullet is set between moving contact rack and moving contact Spring (not shown) with moving contact and static contact closure when contact pressure is provided;First static contact, with the first power electric connection;The Two static contacts, are electrically connected with second source, and the moving contact can close with the first static contact closing position, with the second static contact Close and pivoted between position and double points of positions,
Characterized in that, the double power supply automatic transfer switch also includes the first magnet coil, the second magnet coil, set In the first main shaft of moving contact rack both sides and the second main shaft and first connecting rod and second connecting rod, the first main shaft and the second main shaft Frame is pivotally secured to, one end of first connecting rod is pivotally secured to moving contact rack, and the other end prejudicially can pivot Turn ground and be fixed to the first main shaft, one end of second connecting rod is pivotally secured to moving contact rack, and the other end is prejudicially pivotable Ground is fixed to the second main shaft,
When moving contact be in it is double divide position when:
- when the first magnet coil is activated, the first main shaft is rotated in a first direction, and this drives first connecting rod to pivot, And then moving contact rack and moving contact is moved towards the first static contact, when moving contact and the first static contact closure, first connects Bar is in dead-centre position, by moving contact be locked in the first static contact closing position,
- when the second magnet coil is activated, the second main shaft rotates along the second direction opposite with first direction, this band Dynamic second connecting rod pivots, and then moving contact rack and moving contact is moved towards the second static contact, when moving contact and the second stationary contact During head closure, second connecting rod is in dead-centre position, and moving contact is locked in and the second static contact closing position.
Preferably, in addition to the first spring and second spring, one end of the first spring are eccentrically fastened on the first main shaft, The other end is fixed in frame, and one end of second spring is eccentrically fastened on the second main shaft, and the other end is fixed in frame.
Preferably, when moving contact and the first static contact close, in response to the excitation of the second magnet coil, second spring energy The pulling force of the first spring is enough overcome to pull moving contact racks and moving contact towards double points of positions, and eventually through the first spring and the Moving contact is maintained at double point positions by the equilibrant force of two springs.
Preferably, when moving contact and the second static contact close, in response to the excitation of the first magnet coil, the first spring energy The pulling force of second spring is enough overcome to pull moving contact racks and moving contact towards double points of positions, and eventually through the first spring and the Moving contact is maintained at double point positions by the equilibrant force of two springs.
Preferably, it is characterised in that the first main shaft, first connecting rod, the first spring and the second main shaft, second connecting rod, second Spring is symmetrically arranged on moving contact rack.
Preferably, when moving contact and the first static contact close, the second magnet coil is encouraged, the first main shaft is in a second direction Rotation so that first connecting rod departs from dead-centre position, and second spring overcomes the pulling force of the first spring to pull dynamic touch towards point two-position Head bracket and moving contact, and by it is double divide position after, continue to encourage the second magnet coil, then the second main shaft is along second party To rotation so that second connecting rod pivots, and then moving contact rack and moving contact is moved towards the second static contact, when moving contact with When second static contact closes, second connecting rod is in dead-centre position, and moving contact is locked in and the second static contact closing position.
Preferably, when moving contact and the second static contact close, the first magnet coil is encouraged, the second main shaft is in the first direction Rotation so that second connecting rod departs from dead-centre position, and two-position pulling is dynamic to touch the pulling force of the first spring overcoming second spring towards dividing Head bracket and moving contact, and by it is double divide position after, continue to encourage the first magnet coil, then the first main shaft is along first party To rotation so that first connecting rod pivots, and then moving contact rack and moving contact is moved towards the first static contact, when moving contact with When first static contact closes, first connecting rod is in dead-centre position, and moving contact is locked in and the first static contact closing position.
Preferably, first spring and the second spring are extension spring, stage clip, torsion spring.
Preferably, can also be symmetrically arranged on moving contact rack for the 3rd spring and the 4th spring, the 3rd spring It is respectively fixed to one end of the 4th spring on the first main shaft and the second main shaft, the other end is respectively fixed in frame, for helping Help the first spring and second spring that moving contact is maintained at into double point positions.
Brief description of the drawings
From the preferred embodiment of the present utility model being described in detail below in conjunction with the accompanying drawings, the advantages of the utility model and Purpose can be better understood.In order to preferably show the relation of each part in the accompanying drawings, accompanying drawing is not necessarily drawn to scale. In accompanying drawing:
Fig. 1 is according to the schematic diagram of double power supply automatic transfer switch of the present utility model, is shown as double power-supply automatic transferring Switch is in the first power position;
Fig. 2 and 3 is the electric operation control circuit figure for the principle for illustrating double power supply automatic transfer switch of the present utility model;
Fig. 4 is according to the schematic diagram of double power supply automatic transfer switch of the present utility model, is shown as double power-supply automatic transferring Switch divides position in double;
Fig. 5 is according to the schematic diagram of double power supply automatic transfer switch of the present utility model, is shown as double power-supply automatic transferring Switch is in second source on-position;
Fig. 6 is another structural representation according to double power supply automatic transfer switch of the present utility model.
Embodiment
It will be described in detail with reference to the accompanying drawings according to each embodiment of the present utility model.Here it is to be noted that it in accompanying drawing In, identical reference is assigned to the part substantially with same or like 26S Proteasome Structure and Function, and close omitting In their repeated description.If not otherwise specified, term herein " first direction ", " second direction ", " rotation side To " etc. be to be described relative to accompanying drawing of the present utility model.Term " successively including A, B, C etc. " only indicates included part A, B, C etc. put in order, it is not excluded that include the possibility of other parts between A and B and/or between B and C." first " And its description of variant is not intended to limit the scope of the utility model, is not departing from this practicality newly just for the sake of distinguishing each part In the case of the scope of type, " first component " can be written as " second component " etc..
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the present utility model, it is schematically indicated each several part Shape and its correlation.
Below, referring to figs. 1 to Fig. 5, it is described in detail according to preferred embodiment of the present utility model.
Referring first to Fig. 1, show according to double power supply automatic transfer switch 1 of the present utility model, it is in the first power supply and connect Logical position.Double power supply automatic transfer switch 1 is used to switch between the first power supply 11 and second source 12, and the first power supply 11 has First static contact 111, second source 12 have the second static contact 112.Moving contact component 13 has moving contact 132 and moving contact branch Frame 131, one end of moving contact rack 131 are pivotally secured in frame, and the other end sets moving contact 132, moving contact rack One spring (not shown) is set between moving contact to provide contact pressure in moving contact and static contact closure.
Double power supply automatic transfer switch 1 also includes the first magnet coil 112, first connecting rod 1132, the and of the first main shaft 1131 First spring 114.First main shaft 1131 is pivotally disposed in frame.One end of first connecting rod 1132 is pivotally disposed at On moving contact rack 131, the other end is prejudicially pivotally disposed on the first main shaft 1131.Double power supply automatic transfer switch 1 Also include the second magnet coil 121, second connecting rod 1232, the second main shaft 1231 and second spring 124.First main shaft 1231 can pivot It is arranged in frame with turning.One end of second connecting rod 1232 is pivotally disposed on moving contact rack 131, and the other end is prejudicially It is pivotally disposed on the second main shaft 1231.First main shaft, first connecting rod 1132, the first spring 114 and the second main shaft 1231, Second connecting rod 1232, second spring 124 are symmetrically arranged on moving contact rack 132.
Double power supply automatic transfer switch of the present utility model can be in the first power position, second source on-position Switch between double points of positions.
Below, the electric operation control circuit figure of double power supply automatic transfer switch of the present utility model is described referring to Fig. 2 and 3.
As shown in Fig. 2 R_ON, N_ON and OFF are namely for connecting the first power supply, connecting second source, Yi Jishuan The remote control button of point position, MS_R and MS_N and OFF_R and OFF_N are normally closed microswitch respectively and normally opened micro- Dynamic switch.When it is desirable that connecting the first power supply, user presses button N_ON, and thus electric current is in N_ON, MS_N and coil N shapes Into circuit in flow, coil N is activated, the first interlinked mechanism in response to the first magnet coil excitation pull moving contact and The contact with the first static contact is realized so as to connect the first power supply, and moving contact is locked in the first power position, it is as follows It is described in detail.When it is desirable that connecting second source, user presses button R_ON, and thus electric current is in R_ON, MS_R and coil Flowed in the circuit that R is formed, coil R is activated, the second interlinked mechanism pulls dynamic touch in response to the excitation of the second magnet coil Head and realize that moving contact so as to connect second source, and is locked in second source on-position by the contact with the second static contact, As discussed in more detail below.
In addition, as shown in Figure 3, it is desirable to which when being changed from the first power position to double points of positions, OFF_R switches can be from normal Open and be changed into closing, user presses button OFF so that electric current flows in the circuit formed by OFF, OFF_R and coil R, coil R It is activated so that the first main shaft rotates in the counterclockwise direction, makes the direction of moving contact towards the second static contact mobile and departs from After contact with the first static contact, second spring overcome the pulling force of the first spring moving contact can be brought to double points of positions and In the case of the effect for not needing magnet coil, OFF disconnects, and the second magnet coil loses excitation, and second spring and first Moving contact is maintained at double point positions by spring by equilibrant force, described in detail below.
Then, double power supply automatic transfer switch is described in the first power position, double points of positions referring to Fig. 1, Fig. 4 and Fig. 5 Put the conversion between second source on-position three.
As shown in figure 1, the moving contact 131 of double power supply automatic transfer switch contacts with the first static contact 111, in the position, First connecting rod 1132 passes through the rotation axis of the first main shaft 1131 so that is locked in moving contact 131 and first by " dead point " The position that static contact 111 contacts, so as to keep the first power on.It should be appreciated that " dead point " position refers to first connecting rod or Two connecting rods pass through the rotation axis of the first main shaft or the second main shaft.
When it is desirable that the first power supply of disconnection, when realizing the double points of positions as shown in Figure 4 of double power supply automatic transfer switch, is encouraged Second magnet coil 122 so that the first main shaft 1131 rotates in the counterclockwise direction, so as to drive first connecting rod 1132 and moving contact Support 132 correspondingly rotates, and moving contact 131 departs from the contact with the first static contact 111, and is moved towards double points of positions.Then, Second magnet coil 122 stops excitation, and second spring 124 overcomes the pulling force of the first spring by the band of moving contact 131 to double points of positions Moving contact is maintained at without the effect of magnet coil, and by the equilibrant force of the spring 114 of second spring 124 and first It is double to divide position.In this way, realize the conversion from the first power position to double points of positions.
Then, if the second magnet coil of Persistent Excitation 122 in above process, in response to the second magnet coil 122 Excitation, the second main shaft 1231 can be rotated along reverse direction, this drive second connecting rod 1232 pivot, because second connecting rod 1232 can pivot It is connected to moving contact rack 132 with turning, makes moving contact rack 132 continue to move towards the second static contact 121 of second source, most Eventually moving contact 132 is contacted with the second static contact 121, while second connecting rod 1232 passes through the rotation axis of the second main shaft 1231 R2, moving contact 132 is locked in by the position contacted with the second static contact 121 by " dead point ".In this way, realize from the first power supply On-position connects the conversion of logical position to second source.
In superincumbent description, the first spring and second spring are shown as extension spring, however, it should be understood that it can also be pressure Spring and torsion spring, as long as the function of the first spring and second spring can be realized.
It is above-mentioned to divide position, the connection from the first power position to second source with reference to from the first power position to double The conversion described of the position operation of double power supply automatic transfer switch of the present utility model, it will be understood that foregoing description is only Exemplary, the utility model is not limited to this.Those skilled in the art are according to teaching of the present utility model it is conceivable that this reality With new double power supply automatic transfer switch in the first power position, double divide between position and second source on-position Conversion operation.
In addition, referring to Fig. 6, the double power supply automatic transfer switch according to another embodiment of the present utility model is shown, wherein, In the embodiment in fig 6, the 3rd spring 115 and the 4th spring 125 are additionally arranged on, it is fixed in frame, is used to help the Moving contact is maintained at double point positions by one spring and second spring.
It is described above double power supply automatic transfer switch of the present utility model.Therefore deduce that, it is of the present utility model double The advantages of power automatic transfer switch, is, it is only necessary to can realize three positions by two magnet coils, i.e., in the first power supply Locking is provided by mechanism dead point when on-position and second source on-position, in double equilibrant force for dividing position according to spring To provide locking, this make it that the structure of double power supply automatic transfer switch is simple, and reliability is high.
Moreover, each technical characteristic of above-mentioned disclosure is not limited to disclosed and further feature combination, art technology Personnel can also carry out other combinations between each technical characteristic according to purpose of utility model, using realize the purpose of the utility model as It is accurate.

Claims (9)

1. a kind of double power supply automatic transfer switch (1), for switching between the first power supply (11) and second source (12), double electricity Source automatic change-over includes frame;Moving contact component (13), there is moving contact rack (132) and moving contact (131), moving contact One end of support (132) is pivotally secured in the frame, and the other end sets moving contact (131);First static contact (111), electrically connected with the first power supply (11);Second static contact (121), electrically connected with second source (12), the moving contact (131) can be pivoted between the first static contact closing position and the second static contact closing position and double points of positions,
Characterized in that, the double power supply automatic transfer switch (1) also includes the first magnet coil (112), the second magnet coil (122) the first main shaft (1131) and the second main shaft (1231) and first connecting rod (1132) of moving contact rack both sides, are arranged on With second connecting rod (1232), the first main shaft and the second main shaft are pivotally secured to frame, one end of first connecting rod (1132) Moving contact rack is pivotally secured to, the other end is prejudicially pivotally secured to the first main shaft, second connecting rod (1232) One end is pivotally secured to moving contact rack, and the other end is prejudicially pivotally secured to the second main shaft,
When moving contact be in it is double divide position when:
- when the first magnet coil (112) is activated, the first main shaft (1131) is rotated in a first direction, and this drives first to connect Bar (1132) pivots, and then makes moving contact rack (132) and moving contact (131) mobile towards the first static contact (111), is touched when dynamic When head (131) closes with the first static contact (111), first connecting rod is in dead-centre position, and moving contact is locked in and the first stationary contact Head closing position,
- when the second magnet coil (122) is activated, the second main shaft (1231) revolves along the second direction opposite with first direction Turn, this drives second connecting rod (1232) to pivot, and then makes moving contact rack (132) and moving contact (131) towards the second static contact (121) mobile, when moving contact (131) and the second static contact (121) closure, second connecting rod (1232) is in dead-centre position, will Moving contact is locked in and the second static contact closing position.
2. double power supply automatic transfer switch (1) as claimed in claim 1, it is characterised in that also including the first spring (114) and Second spring (124), one end of the first spring are eccentrically fastened on the first main shaft, and the other end is fixed in frame, the second bullet One end of spring is eccentrically fastened on the second main shaft, and the other end is fixed in frame.
3. double power supply automatic transfer switch (1) as claimed in claim 2, it is characterised in that when moving contact (131) and first quiet When contact (111) closes, in response to the excitation of the second magnet coil (122), second spring (124) can overcome the first spring (114) pulling force divides position to pull moving contact rack (132) and moving contact (131) towards double, and eventually through the first spring (114) and moving contact is maintained at double point positions by the equilibrant force of second spring (124).
4. double power supply automatic transfer switch (1) as claimed in claim 2, it is characterised in that when moving contact (131) and second quiet When contact (121) closes, in response to the excitation of the first magnet coil (112), the first spring (114) can overcome second spring (124) pulling force divides position to pull moving contact rack (132) and moving contact (131) towards double, and eventually through the first spring (114) and moving contact is maintained at double point positions by the equilibrant force of second spring (124).
5. the double power supply automatic transfer switch (1) as any one of above-mentioned Claims 1-4, it is characterised in that the first master Axle (1131), first connecting rod (1132), the first spring (114) and the second main shaft (1231), second connecting rod (1232), second spring (124) it is symmetrically arranged on moving contact rack (132).
6. the double power supply automatic transfer switch (1) as any one of Claims 1-4, it is characterised in that work as moving contact (131) when being closed with the first static contact (111), the second magnet coil (122) is encouraged, the first main shaft (1131) revolves in a second direction Turn so that first connecting rod (1132) departs from dead-centre position, and second spring (124) overcomes the pulling force direction point of the first spring (114) Two-position pulls moving contact rack and moving contact, and by it is double divide position after, continue to encourage the second magnet coil, then the Two main shafts (1231) rotate in a second direction so that second connecting rod (1232) pivots, and then makes moving contact rack (132) and move to touch Head (131) is mobile towards the second static contact (121), when moving contact (131) and the second static contact (121) closure, second connecting rod (1232) dead-centre position is in, moving contact is locked in and the second static contact closing position.
7. the double power supply automatic transfer switch (1) as any one of Claims 1-4, it is characterised in that work as moving contact (131) when being closed with the second static contact (121), the first magnet coil (112) is encouraged, the second main shaft (1231) revolves in the first direction Turn so that second connecting rod (1232) departs from dead-centre position, and the first spring (114) overcomes the pulling force direction point of second spring (124) Two-position pulls moving contact rack and moving contact, and by it is double divide position after, continue to encourage the first magnet coil, then the One main shaft (1131) is rotated in a first direction so that first connecting rod (1132) pivots, and then makes moving contact rack (132) and move to touch Head (131) is mobile towards the first static contact (111), when moving contact (131) and the first static contact (111) closure, first connecting rod (1132) dead-centre position is in, moving contact is locked in and the first static contact closing position.
8. the double power supply automatic transfer switch (1) as any one of claim 2 to 4, it is characterised in that first bullet Spring (114) and the second spring (124) are extension spring, stage clip, torsion spring.
9. the double power supply automatic transfer switch (1) as any one of claim 1-4, it is characterised in that can also be on Moving contact rack is symmetrically arranged for the 3rd spring (115) and the 4th spring (125), the 3rd spring (115) and the 4th spring (125) one end is respectively fixed on the first main shaft and the second main shaft, and the other end is respectively fixed in frame, is used to help first Moving contact is maintained at double point positions by spring (114) and second spring (124).
CN201720334950.7U 2017-03-31 2017-03-31 Double power supply automatic transfer switch Withdrawn - After Issue CN206877854U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720334950.7U CN206877854U (en) 2017-03-31 2017-03-31 Double power supply automatic transfer switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720334950.7U CN206877854U (en) 2017-03-31 2017-03-31 Double power supply automatic transfer switch

Publications (1)

Publication Number Publication Date
CN206877854U true CN206877854U (en) 2018-01-12

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CN201720334950.7U Withdrawn - After Issue CN206877854U (en) 2017-03-31 2017-03-31 Double power supply automatic transfer switch

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666158A (en) * 2017-03-31 2018-10-16 施耐德电器工业公司 Double power supply automatic transfer switch
CN110364377A (en) * 2018-03-26 2019-10-22 施耐德电器工业公司 Change-over switching mechanism and double power supply automatic transfer switch including the change-over switching mechanism
CN110534367A (en) * 2018-05-25 2019-12-03 江苏大全凯帆开关有限公司 A kind of frame integral type dual power supply
CN110970240A (en) * 2018-09-30 2020-04-07 施耐德电器工业公司 Control circuit for dual-power automatic transfer switch and dual-power automatic transfer switch
AU2020244486B2 (en) * 2019-09-30 2022-03-10 Schneider Electric Industries Sas State indicating module and automatic transfer switching equipment

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666158A (en) * 2017-03-31 2018-10-16 施耐德电器工业公司 Double power supply automatic transfer switch
CN108666158B (en) * 2017-03-31 2019-12-24 施耐德电器工业公司 Double-power automatic change-over switch
CN110364377A (en) * 2018-03-26 2019-10-22 施耐德电器工业公司 Change-over switching mechanism and double power supply automatic transfer switch including the change-over switching mechanism
CN110364377B (en) * 2018-03-26 2022-05-03 施耐德电器工业公司 Change-over switch mechanism and dual-power automatic change-over switch comprising same
CN110534367A (en) * 2018-05-25 2019-12-03 江苏大全凯帆开关有限公司 A kind of frame integral type dual power supply
CN110970240A (en) * 2018-09-30 2020-04-07 施耐德电器工业公司 Control circuit for dual-power automatic transfer switch and dual-power automatic transfer switch
CN110970240B (en) * 2018-09-30 2022-09-27 施耐德电器工业公司 Control circuit for dual-power automatic transfer switch and dual-power automatic transfer switch
AU2020244486B2 (en) * 2019-09-30 2022-03-10 Schneider Electric Industries Sas State indicating module and automatic transfer switching equipment

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Granted publication date: 20180112

Effective date of abandoning: 20191224