CN216751173U - Surge protector with remote signaling alarm special protection function - Google Patents
Surge protector with remote signaling alarm special protection function Download PDFInfo
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- CN216751173U CN216751173U CN202123391959.7U CN202123391959U CN216751173U CN 216751173 U CN216751173 U CN 216751173U CN 202123391959 U CN202123391959 U CN 202123391959U CN 216751173 U CN216751173 U CN 216751173U
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Abstract
The utility model provides a take remote signalling to report an emergency and ask for help or increased vigilance special protect function's surge protector, including interior plug module and base module. The inner plug module comprises an inner plug shell, an inner core, an MOV (metal oxide varistor) and a tripping electrode, wherein one end of the tripping electrode is welded on a tripping point of the MOV piezoresistor through low-temperature alloy; the base module comprises a shedding mechanism, an L wiring electrode, a soft connecting wire, a fixed contact, a shedding coil, a discharge tube, an electrode, a PE wiring electrode and a base shell; the shedding mechanism comprises a contact seat, a jump buckle, a spring, a lock catch and a moving contact; the tripping buckle and the lock catch are directly arranged on a guide post of the contact seat, the spring is arranged on a clamping groove of the contact seat, the moving contact is arranged on the contact seat through the torsional spring, the shedding coil comprises a tripping elastic piece, and the ejection direction of the tripping elastic piece is opposite to the lock catch; one end of the flexible connecting wire is welded on the L-shaped connecting electrode, and the other end of the flexible connecting wire is welded on the movable contact; the static contact and the electrode are respectively welded at two ends of the discharge tube. This novel surge protector has the remote signalling and reports an emergency and asks for help or increased vigilance function.
Description
Technical Field
The utility model relates to the technical field of surge protection devices, in particular to a surge protection device with a special protection function for remote signaling alarm.
Background
Surge Protection Devices (SPDs) are devices used to limit transient overvoltages and conduct Surge currents. The surge protector not only has the lightning protection function, but also has the function of inhibiting switching overvoltage, so that the surge protector has a wide application field; the function of the lightning protection device is to limit the transient overvoltage entering a power line and a signal transmission line within the voltage range which can be borne by equipment or a system, or to discharge strong lightning current to the ground, so as to protect the protected equipment or the system from being impacted.
The important component of the surge protector is a piezoresistor (MOV), and the deterioration of the SPD is caused by transient overvoltage or lightning current impact, so that power frequency continuous current is generated and is rapidly and continuously increased. In practice, the MOV of the voltage-limiting surge protector formed by the MOV is verified to cause burning and explosion in a few seconds when passing through power frequency fault current of 3-5A, secondary serious accidents can be generated, and economic loss and casualties are caused.
In order to ensure the safe and effective operation of the SPD in the system, a backup protector is connected in series at the front end of the SPD. SCB for short: special circuit breaker), the SCB has high surge current endurance, reduces residual voltage, and large lightning impulse current is not disconnected, ensures that SPD lightning protection is effective. The fault current of the power frequency can be segmented, the SPD is ensured not to be ignited and exploded, and the safety of a power grid and power utilization is protected.
In order to better ensure the safety of power utilization, the alarm signal is better transmitted to a user, and both the SPD and the SCB need to have a remote alarm function. If the SCB needs to have a remote alarm function, the existing method is to additionally install a set of remote signaling alarm auxiliary contact device outside the SCB device through a linkage mechanism to realize the remote alarm function.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a surge protector with a remote signaling alarm special protection function.
In order to realize the purpose, the utility model provides the following technical scheme:
a surge protector with a special protection function for remote signaling alarm comprises:
the inner core inserting module comprises an inner core inserting shell, an inner core arranged in the inner core inserting shell, an MOV (metal oxide varistor) and a tripping electrode, wherein one end of the tripping electrode is welded on a tripping point of the MOV piezoresistor through low-temperature alloy;
the base module comprises a tripping mechanism, an L wiring electrode, a soft connecting wire, a fixed contact, a tripping coil, a discharge tube, an electrode, a PE wiring electrode and a base shell; the tripping mechanism comprises a contact seat, a jump buckle, a spring, a lock catch and a moving contact; the tripping buckle and the lock catch are directly arranged on a guide post of the contact seat, the spring is arranged on a clamping groove of the contact seat, the moving contact is arranged on the contact seat through the torsional spring, and the whole tripping mechanism is arranged on a fixed position of the base shell after being assembled; the tripping coil comprises a tripping elastic piece, and the ejection direction of the tripping elastic piece is opposite to the lock catch; one end of the soft connecting line is welded on the L-shaped connecting electrode, and the other end of the soft connecting line is welded on the movable contact; the static contact and the electrode are respectively welded at two ends of the discharge tube.
Furthermore, the base module further comprises a microswitch I, a microswitch II and a PE wiring electrode, wherein the microswitch I, the microswitch II and the PE wiring electrode are directly installed in the corresponding limiting groove of the base shell.
Further, the base module also comprises a handle and a connecting rod; one end of the connecting rod is arranged in the positioning groove of the handle, and the other end of the connecting rod is arranged in the positioning groove of the tripping mechanism.
Furthermore, the base module also comprises a remote signaling button which is directly arranged in the corresponding limit groove of the base shell.
Further, the microswitch I, the microswitch II and the remote alarm terminal are connected by a lead; after the inner inserting core module and the base module are assembled, the inner inserting core module is directly inserted into the fixing groove of the base module, and the inner inserting core module is fixed through the inserting pin.
Furthermore, the inner core insertion module also comprises a tripping tension spring, a tripping indication sliding plate and a copper electrode; the MOV piezoresistor core element is fixed on the inner core and is fixed with a copper electrode welded by alloy, and the tripping indicating sliding plate is arranged on the guide rail groove of the inner core.
Furthermore, one end of the spring is arranged on the tripping indicating sliding plate, and the other end of the spring is arranged at the corresponding position of the inner core.
Furthermore, the inner core inserting module also comprises a positioning pin which is directly inserted into the fixing groove of the inner core.
Compared with the prior art, the utility model has the beneficial effects that: the utility model solves the problems that the existing SCB backup protector has no remote alarm function, and the SCB backup protector is not safe and effective enough to realize the remote alarm function by additionally arranging a remote alarm auxiliary contact device, is inconvenient to construct and install on site, occupies space and has high cost. Meanwhile, the remote signaling alarm functions of the SPD and the SCB are integrated, and the remote signaling alarm functions of the SPD and the SCB are simultaneously realized through one device, so that integration is realized, and the safety and the reliability are enhanced. The difficulty of installation is reduced, later maintenance and replacement are more timely and effective, and meanwhile, the cost is reduced.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall assembly of the present invention;
FIG. 2 is an electrical schematic diagram of the remote signaling alarm of the present invention;
FIG. 3 is a schematic overall view of the present invention;
labeled in the figure, 1 — insert core housing; 2-inner core; 3-MOV varistor; 4-tripping the tension spring; 5-trip indicating slide plate; 6-trip electrode; 7-a copper electrode; 8-a positioning pin; 9-a handle; 10-a connecting rod; 11-a trip mechanism; a 12-L wiring electrode; 13-a flexible connection line; 14-a static contact; 15-trip coil; 16-a discharge tube; 17-an electrode; 18-a microswitch I; 19-microswitch II; 20-remote signaling button; 21-PE wiring electrodes; 22-base shell; 11-1: a contact seat; 11-2: jumping and buckling; 11-3: a spring; 11-4: locking; 11-5 moving contacts; 15-1: tripping the elastic piece; 3-3: and a remote alarm terminal.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments and the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
As shown in fig. 1 to 3, the surge protector with a dedicated protection function for remote signaling alarm of the present embodiment includes an inner plug module and a base module.
The inner plug core module comprises an inner plug core shell 1, an inner core 2 installed inside the inner plug core shell 1, an MOV piezoresistor 3 and a tripping electrode 6, wherein the end of the tripping electrode 6 is welded on a tripping point of the MOV piezoresistor 3 through low-temperature alloy. The inner core-inserting module also comprises a tripping tension spring 4, a tripping indicating slide plate 5 and a copper electrode 7; the core element of MOV piezoresistor 3 is fixed on the inner core 2 and fixed with copper electrode 7 welded by alloy, and the trip indicating slide plate 5 is mounted on the guide rail groove of the inner core 2. One end of the spring 4 is arranged on the tripping indication sliding plate 5, and the other end is arranged at the corresponding position of the inner core 2. The inner core insertion module further comprises a positioning pin 8, and the positioning pin 8 is directly inserted into the fixing groove of the inner core 2.
The base module comprises a tripping mechanism 11, an L wiring electrode 12, a soft connecting wire 13, a static contact 14, a tripping coil 15, a discharge tube 16, an electrode 17, a PE wiring electrode 21 and a base shell 22; the tripping mechanism 11 comprises a contact seat 11-1, a trip buckle 11-2, a spring 11-3, a lock catch 11-4 and a moving contact 11-5; the jump buckle 11-2 and the lock catch 11-4 are directly arranged on a guide post of the contact seat 11-1, the spring 11-3 is arranged on a clamping groove of the contact seat 11-1, the moving contact 11-5 is arranged on the contact seat 11-1 through a torsion spring, and the whole tripping mechanism 11 is arranged on a fixed position of the base shell 22 after being assembled; the trip coil 15 comprises a trip elastic piece 15-1, and the ejection direction of the trip elastic piece 15-1 is opposite to the lock catch 11-4; one end of a soft connecting wire 13 is welded on the L wiring electrode 12, and the other end is welded on the moving contact 11-5; the stationary contact 14 and the electrode 17 are welded to both ends of the discharge tube 16.
The base module further comprises a microswitch I18, a microswitch II 19 and a PE wiring electrode 21, wherein the microswitch I18, the microswitch II 19 and the PE wiring electrode 21 are directly installed in the corresponding limiting grooves of the base shell 22.
The base module also comprises a handle 9 and a connecting rod 10; one end of the connecting rod 10 is arranged in a positioning groove of the handle 9, and the other end is arranged in a positioning groove of the tripping mechanism 11.
The base module further comprises a remote signalling button 20, the remote signalling button 20 being directly mounted in a corresponding retaining groove in the base housing 22.
The microswitch I18, the microswitch II 19 and the remote alarm terminal 3-3 are connected by leads; after the inner inserting core module and the base module are assembled, the inner inserting core module is directly inserted into the base module fixing groove, and the inserting pin is inserted to fix the inner inserting core module.
The specific working principle is as follows: referring to fig. 1-2, the remote signaling alarm function of the present invention is realized by a circuit formed by a microswitch i 18 (K2), a microswitch ii 19 (K1) and a remote alarm terminal 3-3. Specifically, the circuit is connected with the C end point of a microswitch II 19 (K1) according to the COM end of a remote alarm terminal 3-3, and the NO end point of the microswitch II 19 (K1) is connected with the C end point of a microswitch I18 (K2). The NC end point of the microswitch I18 (K2) is connected with the NC end point of the remote alarm terminal 3-3, and the NO end point of the microswitch I18 (K2) is connected with the NC end point of the microswitch II 19 (K1) and then connected with the NO end point of the remote alarm terminal 3-3.
When the power system works normally. The elastic sheet of the microswitch II 19 (K1) is pressed down by one end of the remote signaling contact 20 and is in a closed state, and the internal c end and the NO end are closed at the moment; the microswitch i 18 (K2) is in an open state, wherein the internal c terminal and the NC terminal are closed. A loop of the COM terminal of the remote alarm terminal 3-3 → the microswitch ii 19 (K1) 19 → the microswitch i 18 (K2) → the NC terminal of the remote alarm terminal 3-3 is formed. The external system monitors for a normal signal.
When the system overvoltage fault occurs, the MOV piezoresistor 3 generates temperature due to the change of voltage, current and the like, when the temperature reaches 2-1 low-temperature alloy melting point at one end of the tripping electrode 6, which is welded on a tripping point of the MOV piezoresistor 3 through low-temperature alloy, the tripping indicating sliding plate 5 moves instantly under the influence of the pulling force of the tripping tension spring 4, when the tripping indicating sliding plate 5 moves instantly, the remote signaling button 20 pressed at the tail end is bounced by an elastic sheet of the micro switch II 19 (K1), and meanwhile, the micro switch II 19 (K1) is switched off. And the end c in the micro switch II 19 (K1) is closed with the end NC. And a loop of the COM end of the remote alarm terminal 3-3 → the microswitch II 19 (K1) → the NO end of the distance alarm terminal 3-3 is formed, and at the moment, the external system monitors and displays an alarm signal.
When power frequency fault current passes through a circuit, the tripping coil 15 acts in time, the tripping elastic piece 15-1 pops up to bounce the lock catch 11-4, the lock catch 11-4 pops up to be separated from the tripping buckle 11-2 instantly, the spring 11-3 pops up at the moment, the tripping buckle 11 moves under the drive of the spring force, the movable contact 11-5 is disconnected from the static contact 14, and meanwhile, the microswitch I18 (K2) is triggered. The c end point inside the microswitch I18 (K2) is closed with the NO end. A loop of the COM terminal of the remote alarm terminal 3-3 → the microswitch ii 19 (K1) 19 → the microswitch i 18 (K2) → the NO terminal of the remote alarm terminal 3-3 is formed. At this time, the external system monitors and displays an alarm signal.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (8)
1. A surge protector with a special protection function for remote signaling alarm is characterized by comprising:
the module comprises an inner plug core module, a power supply module and a power supply module, wherein the inner plug core module comprises an inner plug core shell (1), an inner core (2) arranged in the inner plug core shell (1), an MOV piezoresistor (3) and a tripping electrode (6), and one end of the tripping electrode (6) is welded on a tripping point of the MOV piezoresistor (3) through a low-temperature alloy;
the base module comprises a tripping mechanism (11), an L wiring electrode (12), a soft connecting wire (13), a static contact (14), a tripping coil (15), a discharge tube (16), an electrode (17), a PE wiring electrode (21) and a base shell (22); the tripping mechanism (11) comprises a contact seat (11-1), a trip buckle (11-2), a spring (11-3), a lock catch (11-4) and a moving contact (11-5); the jump buckle (11-2) and the lock catch (11-4) are directly arranged on a guide post of the contact seat (11-1), the spring (11-3) is arranged on a clamping groove of the contact seat (11-1), the moving contact (11-5) is arranged on the contact seat (11-1) through a torsional spring, and the whole trip mechanism (11) is arranged on a fixed position of the base shell (22) after being assembled; the trip coil (15) comprises a trip elastic piece (15-1), and the ejection direction of the trip elastic piece (15-1) is opposite to the lock catch (11-4); one end of the soft connecting wire (13) is welded on the L-shaped wiring electrode (12), and the other end is welded on the movable contact (11-5); the static contact (14) and the electrode (17) are respectively welded at two ends of the discharge tube (16).
2. The surge protector with the remote signaling alarm special protection function according to claim 1, wherein the base module further comprises a micro switch I (18), a micro switch II (19) and a PE wiring electrode (21), and the micro switch I (18), the micro switch II (19) and the PE wiring electrode (21) are directly installed in corresponding limiting grooves of the base shell (22).
3. The surge protector with the special protection function for remote signaling alarm according to claim 1, wherein the base module further comprises a handle (9) and a connecting rod (10); one end of the connecting rod (10) is arranged in a positioning groove of the handle (9), and the other end is arranged in a positioning groove of the tripping mechanism (11).
4. The surge protector with the special protection function for remote signaling alarm according to claim 1, wherein the base module further comprises a remote signaling button (20), and the remote signaling button (20) is directly installed in a corresponding limiting groove of the base shell (22).
5. The surge protector with the special protection function for remote signaling alarm according to claim 2, wherein the microswitch I (18), the microswitch II (19) and the remote alarm terminal (3-3) are connected by a lead; after the inner inserting core module and the base module are assembled, the inner inserting core module is directly inserted into the base module fixing groove, and the inserting pin is inserted to fix the inner inserting core module.
6. The surge protector with the special protection function for remote signaling alarm according to claim 1, wherein the internal core insertion module further comprises a tripping tension spring (4), a tripping indication slide plate (5) and a copper electrode (7); the core element of the MOV piezoresistor (3) is fixed on the inner core (2) and is fixedly welded with a copper electrode (7) by using alloy, and the tripping indication sliding plate (5) is arranged on the guide rail groove of the inner core (2).
7. The surge protector with the special protection function for remote signaling alarm according to claim 6, wherein one end of the spring (4) is installed on the trip indicating slide plate (5), and the other end is installed at the corresponding position of the inner core (2).
8. The surge protector with the special protection function for remote signaling alarm according to claim 1, wherein the inner core insertion module further comprises a positioning pin (8), and the positioning pin (8) is directly inserted into the fixing groove of the inner core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391959.7U CN216751173U (en) | 2021-12-31 | 2021-12-31 | Surge protector with remote signaling alarm special protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123391959.7U CN216751173U (en) | 2021-12-31 | 2021-12-31 | Surge protector with remote signaling alarm special protection function |
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| Publication Number | Publication Date |
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| CN216751173U true CN216751173U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123391959.7U Active CN216751173U (en) | 2021-12-31 | 2021-12-31 | Surge protector with remote signaling alarm special protection function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362095A (en) * | 2021-12-31 | 2022-04-15 | 安徽金力电气技术有限公司 | Surge protector with special protection function |
| CN114362095B (en) * | 2021-12-31 | 2024-05-28 | 安徽金力电气技术有限公司 | Surge protector with special protection function |
-
2021
- 2021-12-31 CN CN202123391959.7U patent/CN216751173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362095A (en) * | 2021-12-31 | 2022-04-15 | 安徽金力电气技术有限公司 | Surge protector with special protection function |
| CN114362095B (en) * | 2021-12-31 | 2024-05-28 | 安徽金力电气技术有限公司 | Surge protector with special protection function |
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