CN210403545U - Common power switching mechanism of PC (personal computer) level dual-power switching device - Google Patents
Common power switching mechanism of PC (personal computer) level dual-power switching device Download PDFInfo
- Publication number
- CN210403545U CN210403545U CN201921245141.4U CN201921245141U CN210403545U CN 210403545 U CN210403545 U CN 210403545U CN 201921245141 U CN201921245141 U CN 201921245141U CN 210403545 U CN210403545 U CN 210403545U
- Authority
- CN
- China
- Prior art keywords
- power supply
- common power
- common
- moving contact
- copper bar
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a common power switching mechanism of a PC-level dual power switching device, wherein a common contact system comprises a common moving contact support, a common power static contact and a common power moving contact arranged on the common moving contact support; the common power supply static contact is arranged on the common power supply base; the common power supply middle cover and the common power supply top cover are sequentially fixed above the common power supply bottom cover; the common power supply conversion transmission mechanism is in linkage connection with the common moving contact support; the common power supply conversion transmission mechanism and the common contact system are separated from each other up and down by taking the common power supply middle cover as a spacing measure, so that mutual interference is greatly reduced. The advantages are that: the structure is scientific and compact, the design is reasonable, the components of the common power supply conversion transmission mechanism are few, the structure is simplified, and due to the existence of the middle cover of the common power supply, when foreign matters enter or tiny mechanical faults occur, the probability of the occurrence of the blocking fault is greatly reduced, and the reliability and the safety of the PC-level dual-power switching device are improved.
Description
Technical Field
The utility model relates to a low voltage distribution electrical apparatus especially relates to a PC level dual power supply switching device's switch mechanism.
Background
In low-voltage distribution equipment, a dual-power switching device is mainly used in an emergency power supply system, and a load circuit is automatically switched from one common power supply to a switching appliance of another standby power supply so as to ensure continuous and reliable operation of important loads. Therefore, the dual-power automatic transfer switch is often applied to important electric places, such as hospitals, airports and docks, and relies on the dual-power switching device to provide continuous power supply. When a common power supply fails, the power supply system can be switched to a standby power supply for supplying power, so that the power supply system can not only prevent the failed power supply from supplying power to a load, but also reliably select a qualified power supply to be put into normal operation so as to ensure uninterrupted power supply.
A common power switching mechanism of a PC-level dual power switching device includes: the common contact system is used as an on-off switch of a common power supply and a load end and comprises a common moving contact mounting seat, a common power supply static contact and a common power supply moving contact, wherein the common power supply moving contact is arranged on the common moving contact mounting seat; the common power supply conversion transmission mechanism is used as a driving mechanism for driving the common moving contact mounting seat to move; contact system commonly used and power conversion drive mechanism commonly used set up on power base commonly used, and power conversion drive mechanism commonly used's component is more leads to the structure complicated, does not have interval measure between contact system commonly used and the power conversion drive mechanism commonly used in addition, in case there is the foreign matter to get into or when taking place small mechanical failure, takes place the dead trouble of card easily, and the reliability can not obtain better guarantee.
SUMMERY OF THE UTILITY MODEL
For solving current PC level dual power switching device's power switching mechanism commonly used there is above-mentioned technical problem, the utility model provides a PC level dual power switching device's power switching mechanism commonly used that structure science is good, the reliability is better.
In order to achieve the purpose, the utility model adopts the following scheme:
the utility model provides a PC level dual power switching device's power switching mechanism commonly used, characterized by, power switching mechanism commonly used includes:
the common contact system is used as an on-off switch of a common power supply and a load end and comprises a common moving contact bracket, a common power supply static contact and a common power supply moving contact; the common power supply moving contact is arranged on the common moving contact support, and the common power supply moving contact and the common moving contact support are arranged in an insulating way;
the common power supply base is used as a mounting base of a fixed contact of a common power supply; a longitudinal elongated slot for a common moving contact support to move left and right is formed in the middle of a common power supply base, copper bar mounting seats are arranged on the upper side and the lower side of the common power supply base, the copper bar mounting seats are provided with 4 copper bar wiring boards which are arranged at intervals, a sharp-end notch is formed in the end part, close to the inner side, of each copper bar wiring board, and a common power supply static contact is arranged on the sharp-end notch; the common power supply base is provided with an arc extinguish chamber below a common power supply static contact; the common power supply moving contact is also positioned in the arc extinguishing chamber and horizontally opposite to the common power supply static contact;
the common power supply middle cover is used as a mounting seat of a moving contact of the common power supply; fixed above the bottom cover of the common power supply;
the common power supply top cover is used as a protective cover of the common power supply conversion transmission mechanism; fixed above the middle cover of the common power supply;
the common power supply conversion transmission mechanism is used as a driving mechanism for driving the common moving contact support to move left and right; the power supply is arranged on the middle cover of the common power supply;
the middle longitudinal position of the middle cover of the common power supply is provided with a special-shaped guide groove, relatively speaking, the left half part of the special-shaped guide groove is a wide guide groove, the right half part of the special-shaped guide groove is a narrow guide groove, the lower side of the special-shaped guide groove is straight, the upper side of the special-shaped guide groove is firstly wide from left to right and then narrow, and the joint between the wide guide groove and the narrow guide groove of the special-shaped guide groove is in circular arc; a common switching-on microswitch used as a common power supply switching-on signal is arranged on the right side of the common power supply middle cover; the common power supply conversion transmission mechanism comprises a connecting shaft, a rocker plate, a swing connecting plate, a push rod plate and a pipe spring, wherein the rocker plate, the swing connecting plate, the push rod plate and the pipe spring are arranged above a common power supply middle cover; the upper part of the rocker plate is provided with a longitudinal sliding chute, the tube spring is sleeved on the rocker plate in a compressible manner, the lower end of the rocker plate is hinged to the lower side of the middle of the top of the common power supply middle cover, the lower end of the swing connecting plate is hinged in the longitudinal sliding chute on the upper part of the rocker plate in a slidable manner through a connecting shaft, the left end of the push rod plate is hinged to the upper end of the swing connecting plate, the right end of the push rod plate extends out of the right side of the common power supply middle cover from the upper part of the common power supply middle cover, and the right end of the; the common power supply moving contact assembly is arranged below the common power supply middle cover and is connected with the lower end of the swinging connecting plate through a connecting shaft; the common closing microswitch is arranged on the edge of the right side of the special-shaped guide groove.
As the explanation of the above scheme, an arc-shaped expansion groove serving as a connection channel for reserving an external function expansion piece and a common power supply conversion transmission mechanism is arranged in the middle of the common power supply top cover; the arc expansion groove both sides are equipped with the extension piece mounting hole of the external function extension piece of installation, all are equipped with the cover of pounding in arc expansion groove and the extension piece mounting hole. When in use, the knock-out cover is knocked down to install the function expansion piece.
As a further explanation of the above scheme, the end portion of the copper bar wiring board near the outer side extends outwards to the outside of the common power base, the end of the copper bar wiring board near the outer side is provided with a copper bar fixing hole for fixing an external copper bar, and the copper bar wiring board is provided with dot-like contact points arranged in a matrix around the copper bar fixing hole.
As a further explanation of the above scheme, partition board inserting slots for installing insulation partition boards are arranged between adjacent copper bar wiring boards on the upper and lower sides of the common power base.
From the above, the utility model discloses have following advantage: the structure science, it is compact, reasonable in design, power conversion drive mechanism's component is few commonly used, the structure is simplified, it is as the interval measure to be equipped with the power well lid commonly used between contact system commonly used and the power conversion drive mechanism commonly used, make power conversion drive mechanism commonly used in the power well lid higher than, contact system commonly used is in the power well lid below, because the existence of the power well lid commonly used, when having the foreign matter to get into or take place small mechanical fault, the probability of taking place the dead trouble of card reduces by a wide margin, the reliability and the security that have improved PC level dual power switching device.
Drawings
Fig. 1 is a perspective view of a common power switching mechanism of a PC-level dual power switching device of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a front view of fig. 1 with a top cover of the conventional power supply removed.
Fig. 4 is a perspective view of a conventional power base.
The reference numbers illustrate: 20-a common power supply base, 21-a common power supply middle cover, 22-a common power supply top cover, 23-a common contact system and 24-a common power supply conversion transmission mechanism; 201-longitudinal long groove, 202-copper bar mounting seat, 203-copper bar wiring board, 204-tip gap, 205-arc extinguish chamber, 206-clapboard connecting slot; 210-a special-shaped guide groove, 211-a common closing microswitch, 212-a tube spring, 213-a common power supply conversion transmission mechanism, 214-a connecting shaft, 215-a rocker plate, 216-a swing connecting plate, 217-a push rod plate, 218-a longitudinal sliding groove and 219-a connecting sliding groove; 221-arc expansion slot, 222-expansion piece mounting hole, 223-knock-out cover; 231-a common moving contact support, 232-a common power supply fixed contact, 234-a copper bar fixing hole and 235-a point contact.
Detailed Description
The present invention and its advantageous technical effects are further described in detail below with reference to the accompanying drawings and preferred embodiments. In order to distinguish the components of the common power supply and the standby power supply, the components related to the common power supply are preceded by the qualifier "common" for distinction.
Referring to fig. 1 to 4, a common power switching mechanism of a PC-level dual power switching device is characterized in that the common power switching mechanism comprises:
the common contact system 23 is used as an on-off switch of a common power supply and a load end, and comprises a common moving contact bracket 231, a common power supply static contact 232 and a common power supply moving contact; the common power supply moving contact is arranged on the common moving contact support 231, and the common power supply moving contact and the common moving contact support 231 are arranged in an insulating manner; since the moving contact of the power supply is conventional, the moving contact is not shown in the figure for saving space;
referring to fig. 2, the common power base 20 is used as a mounting seat for the stationary contact 232 of the common power; a longitudinal elongated slot 201 for the left and right movement of a common moving contact support 231 is arranged in the middle of a common power supply base 20, copper bar mounting seats 202 are arranged on the upper side and the lower side of the common power supply base 20, 4 copper bar wiring boards 203 arranged at intervals are arranged on the copper bar mounting seats 202, a sharp-pointed notch 204 is arranged at the end part of the copper bar wiring board 203 close to the inner side, and a common power supply static contact 232 is arranged on the sharp-pointed notch 204; the common power base 20 is provided with an arc extinguish chamber 205 below the common power static contact 232; the moving contact of the common power supply is also positioned in the arc extinguish chamber 205 and horizontally opposite to the fixed contact 232 of the common power supply;
referring to fig. 1 and 3, a common power supply middle cover 21 is used as a mounting seat of a common power supply moving contact; fixed above the bottom cover of the common power supply;
referring to fig. 1, a common power top cover 22 is used as a protective cover of the common power conversion transmission mechanism 213; fixed above the common power supply middle cover 21;
referring to fig. 1, a common power conversion transmission mechanism 213 is used as a driving mechanism for driving the common movable contact support 231 to move left and right; is arranged on the common power supply middle cover 21;
referring to fig. 3 to 4, the middle longitudinal position of the middle cover 21 of the common power supply is provided with a special-shaped guide slot 210, relatively speaking, the left half part of the special-shaped guide slot 210 is a wide guide slot, the right half part of the special-shaped guide slot 210 is a narrow guide slot, the lower side of the special-shaped guide slot 210 is straight, the upper side of the special-shaped guide slot 210 is first wide and then narrow from left to right, and the connection between the wide guide slot and the narrow guide slot of the special-shaped guide slot 210 is; a common closing microswitch 211 used as a common power supply closing signal is arranged on the right side of the common power supply middle cover 21; the common power supply conversion transmission mechanism 213 comprises a connecting shaft 214, a rocker plate 215 arranged above the common power supply middle cover 21, a swing connecting plate 216, a push rod plate 217 and a tube spring 212; the upper part of the rocker plate 215 is provided with a longitudinal sliding chute 218, the pipe spring 212 is sleeved on the rocker plate 215 in a compressible manner, the lower end of the rocker plate 215 is hinged to the lower side of the middle of the top of the common power supply middle cover 21, the lower end of the swing connecting plate 216 is hinged in the longitudinal sliding chute 218 of the upper part of the rocker plate 215 in a slidable manner through a connecting shaft 214, the left end of the push rod plate 217 is hinged to the upper end of the swing connecting plate 216, the right end of the push rod plate 217 extends out of the right side of the common power supply middle cover 21 from the upper part of the common power supply middle cover 21, and the right end of the push rod; the common power supply moving contact assembly is arranged below the common power supply middle cover 21 and is connected with the lower end of the swinging connecting plate 216 through a connecting shaft 214; a normal closing micro switch 211 is provided at the right edge of the shaped guide groove 210.
Referring to fig. 3, in order to facilitate installation of the function expansion accessory, an arc-shaped expansion slot 221 serving as a connection channel for reserving an external function expansion piece and a common power conversion transmission mechanism 213 is formed in the middle of the common power top cover 22; expansion piece mounting holes 222 for mounting external function expansion pieces are formed in two sides of the arc-shaped expansion groove 221, and knock-off covers 223 are arranged in the arc-shaped expansion groove 221 and the expansion piece mounting holes 222. When the common power supply switching mechanism is arranged below the standby power supply switching mechanism, the function expansion accessory can be a mechanical interlocking device of two power supplies; when the common power supply switching-on and switching-off mechanism is arranged above and below the standby power supply switching-on and switching-off mechanism, the index mark of the common power supply switching-on and switching-off mechanism can also be an auxiliary contact of the common power supply, and can also be an alarm device and the like.
Referring to fig. 3, in order to fix the external copper bar and increase the friction with the external copper bar, and increase the reliability of electric conduction, the end portion of the copper bar wiring board 203 near the outer side extends outward to the outside of the power base 20, the end of the copper bar wiring board 203 near the outer side is provided with a copper bar fixing hole 234 for fixing the external copper bar, and the copper bar wiring board 203 is provided with dot-shaped contact points 235 arranged in a matrix around the copper bar fixing hole 234.
Referring to fig. 1, in order to prevent the adjacent copper bar wiring boards 203 from being short-circuited accidentally and increase safety, partition board connecting slots 206 for installing insulating partition boards are arranged between the adjacent copper bar wiring boards 203 on the upper and lower sides of the common power base 20.
The working process of the common power supply conversion mechanism comprises the following steps: the common power supply switching mechanism is connected with a power supply switching driving mechanism of the PC-level dual-power switching device through a connecting chute 219 of the push rod plate 217, and the common power supply switching mechanism is driven to work by the power supply switching driving mechanism. (1) When a common power source static contact 232 and a common power source moving contact are in an opening state, and a power source conversion driving mechanism obtains a closing instruction, a push rod plate 217 pushes a swing connecting plate 216 to swing rightwards by an angle, then the swing connecting plate 216 drives the upper end of a rocker plate 215 to rotate rightwards and swing into a wide guide groove of the left half part of a special-shaped guide groove 210, at the moment, a common moving contact support 231 also moves along the left side below the special-shaped guide groove 210, a compressed energy-storing pipe spring 212 releases energy at the moment, the pipe spring 212 jacks the lower end of the swing connecting plate 216 upwards along a longitudinal sliding groove 218 in the upper part of the rocker plate 215 to a proper position, the common power source static contact 232 and the common power source moving. (2) When a common power supply static contact 232 and a common power supply moving contact are in a closing state, and a power supply conversion driving mechanism obtains a switching-off instruction, a push rod plate 217 pulls a swing connecting plate 216 leftwards to swing for an angle, then the swing connecting plate 216 drives the upper end of a swing rod plate 215 to rotate leftwards and swing into a narrow guide groove at the left half part of a special-shaped guide groove 210, a common moving contact support 231 also moves leftwards under the special-shaped guide groove 210, a pipe spring 212 is pressed by the swing connecting plate 216 to compress and store energy at the moment, the narrow guide groove of the special-shaped guide groove 210 enables the lower end of the swing connecting plate 216 to move downwards in place along a longitudinal sliding groove 218 at the upper part of the swing rod plate 215, the common power supply static contact 232 and the common power supply moving contact are separated, a common power supply is disconnected with a load end, and meanwhile, the, the normally open contact of the normally closed microswitch 211 is closed to send a brake opening signal.
The invention is not limited to the embodiments disclosed and described above, but rather, modifications and variations of the invention are possible within the scope of the invention as defined in the claims.
Claims (4)
1. The utility model provides a PC level dual power switching device's power switching mechanism commonly used, characterized by, power switching mechanism commonly used includes:
the common contact system is used as an on-off switch of a common power supply and a load end and comprises a common moving contact bracket, a common power supply static contact and a common power supply moving contact; the common power supply moving contact is arranged on the common moving contact support, and the common power supply moving contact and the common moving contact support are arranged in an insulating way;
the common power supply base is used as a mounting base of a fixed contact of a common power supply; a longitudinal elongated slot for a common moving contact support to move left and right is formed in the middle of a common power supply base, copper bar mounting seats are arranged on the upper side and the lower side of the common power supply base, the copper bar mounting seats are provided with 4 copper bar wiring boards which are arranged at intervals, a sharp-end notch is formed in the end part, close to the inner side, of each copper bar wiring board, and a common power supply static contact is arranged on the sharp-end notch; the common power supply base is provided with an arc extinguish chamber below a common power supply static contact; the common power supply moving contact is also positioned in the arc extinguishing chamber and horizontally opposite to the common power supply static contact;
the common power supply middle cover is used as a mounting seat of a moving contact of the common power supply; fixed above the bottom cover of the common power supply;
the common power supply top cover is used as a protective cover of the common power supply conversion transmission mechanism; fixed above the middle cover of the common power supply;
the common power supply conversion transmission mechanism is used as a driving mechanism for driving the common moving contact support to move left and right; the power supply is arranged on the middle cover of the common power supply;
the middle longitudinal position of the middle cover of the common power supply is provided with a special-shaped guide groove, relatively speaking, the left half part of the special-shaped guide groove is a wide guide groove, the right half part of the special-shaped guide groove is a narrow guide groove, the lower side of the special-shaped guide groove is straight, the upper side of the special-shaped guide groove is firstly wide from left to right and then narrow, and the joint between the wide guide groove and the narrow guide groove of the special-shaped guide groove is in circular arc; a common switching-on microswitch used as a common power supply switching-on signal is arranged on the right side of the common power supply middle cover; the common power supply conversion transmission mechanism comprises a connecting shaft, a rocker plate, a swing connecting plate, a push rod plate and a pipe spring, wherein the rocker plate, the swing connecting plate, the push rod plate and the pipe spring are arranged above a common power supply middle cover; the upper part of the rocker plate is provided with a longitudinal sliding chute, the tube spring is sleeved on the rocker plate in a compressible manner, the lower end of the rocker plate is hinged to the lower side of the middle of the top of the common power supply middle cover, the lower end of the swing connecting plate is hinged in the longitudinal sliding chute on the upper part of the rocker plate in a slidable manner through a connecting shaft, the left end of the push rod plate is hinged to the upper end of the swing connecting plate, the right end of the push rod plate extends out of the right side of the common power supply middle cover from the upper part of the common power supply middle cover, and the right end of the; the common power supply moving contact assembly is arranged below the common power supply middle cover and is connected with the lower end of the swinging connecting plate through a connecting shaft; the common closing microswitch is arranged on the edge of the right side of the special-shaped guide groove.
2. The common power switching mechanism of a PC-level dual power switching device as claimed in claim 1, wherein: an arc-shaped expansion groove serving as a connecting channel for reserving an external function expansion piece and a common power supply conversion transmission mechanism is arranged in the middle of the common power supply top cover; the arc expansion groove both sides are equipped with the extension piece mounting hole of the external function extension piece of installation, all are equipped with the cover of pounding in arc expansion groove and the extension piece mounting hole.
3. The common power switching mechanism of a PC-class dual power switching device as claimed in claim 1 or 2, wherein: the copper bar wiring board is characterized in that the end part, close to the outer side, of the copper bar wiring board extends outwards to the outside of a common power base, the tail end, close to the outer side, of the copper bar wiring board is provided with a copper bar fixing hole for fixing an external copper bar, and the copper bar wiring board is provided with dot-shaped contact points arranged in a matrix mode around the copper bar fixing hole.
4. The common power switching mechanism of a PC-class dual power switching device as claimed in claim 1 or 2, wherein: and partition board connecting slots for installing insulating partition boards are arranged between adjacent copper bar wiring boards on the upper side and the lower side of the common power base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245141.4U CN210403545U (en) | 2019-08-02 | 2019-08-02 | Common power switching mechanism of PC (personal computer) level dual-power switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921245141.4U CN210403545U (en) | 2019-08-02 | 2019-08-02 | Common power switching mechanism of PC (personal computer) level dual-power switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403545U true CN210403545U (en) | 2020-04-24 |
Family
ID=70359945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921245141.4U Expired - Fee Related CN210403545U (en) | 2019-08-02 | 2019-08-02 | Common power switching mechanism of PC (personal computer) level dual-power switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403545U (en) |
-
2019
- 2019-08-02 CN CN201921245141.4U patent/CN210403545U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002216597A (en) | Vacuum shut off device | |
| CN204332711U (en) | Automatic/hand switch transition electrical equipment | |
| CN210403545U (en) | Common power switching mechanism of PC (personal computer) level dual-power switching device | |
| KR20180051834A (en) | molded case circuit breaker | |
| CN104538215A (en) | Automatic/hand switch conversion electric appliance | |
| CN204332749U (en) | The double-disk moving contact group of device for switching contact mechanism | |
| CN104616916A (en) | Operation mechanism of switching device capable of realizing three states | |
| CN204332704U (en) | The contact mechanism of three kinds of state of switch electrical equipment can be realized | |
| CN204332710U (en) | The operating mechanism of three kinds of state of switch electrical equipment can be realized | |
| KR101916166B1 (en) | An interlock device for a switch over device | |
| CN104576092A (en) | Contact mechanism of switching device capable of realizing three states | |
| CN212011899U (en) | Novel interlock for realizing door closing operation of switch cabinet | |
| CN104576099A (en) | Manual operation mechanism for switch apparatus | |
| CN204332723U (en) | A kind of manual-operating mechanism of device for switching | |
| CN210224637U (en) | Discharging device electric cabinet | |
| CN204332742U (en) | The position feedback assembly of device for switching | |
| CN117335226B (en) | PDU power supply equipment with protect function | |
| CN204332706U (en) | The one chip moving contact group of device for switching contact mechanism | |
| CN216649549U (en) | High-voltage soft-start cabinet provided with grounding knife | |
| CN114069822B (en) | Electric control cabinet capable of improving safety and being started in emergency | |
| CN213583617U (en) | High-voltage isolating switch for power distribution cabinet | |
| CN219739665U (en) | Electrical cabinet for electromechanical engineering | |
| KR102656288B1 (en) | distribution panel | |
| CN219457394U (en) | Conductive structure applied to power transfer switch | |
| CN113193486B (en) | Isolation switch of inflatable switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |