CN211179958U - Lock protection device for preventing electric meter metering device from burning - Google Patents
Lock protection device for preventing electric meter metering device from burning Download PDFInfo
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- CN211179958U CN211179958U CN201922048324.3U CN201922048324U CN211179958U CN 211179958 U CN211179958 U CN 211179958U CN 201922048324 U CN201922048324 U CN 201922048324U CN 211179958 U CN211179958 U CN 211179958U
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- protection device
- metering device
- protection
- temperature
- ammeter metering
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Abstract
The utility model relates to a lock protection device for preventing an ammeter metering device from being burnt, which comprises an ammeter metering device, a shell and a protection device; the protection device is arranged in the shell, the commercial power flows into the protection device, the protection device is arranged at the front end of the ammeter metering device, and the protection device is prevented from exceeding the fault and burning out the ammeter metering device. The casing protects the inside protection device, prevents that external force from damaging, and protection device prevents that the trouble from crossing protection device and burning out ammeter metering device, has protected ammeter metering device. The utility model provides a prevent lock mechanism protection device of ammeter metering device scaling loss, protection device from overheated and overflow two aspects protection outside ammeter metering device, and too big when the electric current, safeties can the disconnection, and when the high temperature, the temperature action device can the disconnection, can effectively block the trouble, prevents that the trouble from crossing protection device and burning out ammeter metering device.
Description
Technical Field
The utility model relates to an electric power protection device field specifically relates to a prevent lock protection device that ammeter metering device burns out.
Background
The lead wires connected with the user switch of the electric meter are generally a plurality of aluminum core wires or a plurality of copper core wires, the wiring port of the electric meter compresses the lead wires in a screw tightening mode, the force is too small, the lead wires are not firmly screwed, the force is too large, the phenomenon of strand breakage or strand scattering occurs on the lead wires, the contact area is small, and therefore poor contact is caused, overcurrent and heating of the lead wires are influenced, and the electric meter pins are burnt out; at the end of the user switch, the user often burns out the user switch or the connecting line due to lack of power utilization knowledge or careless maintenance and management, and even causes the electric meter to burn out.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that current ammeter metering device burns out easily, provide a prevent lock mechanism protection device that ammeter metering device burns out.
In order to realize the purpose of the utility model, the technical proposal is that:
a lock protection device for preventing an ammeter metering device from being burnt comprises the ammeter metering device, a shell and a protection device; the protection device is arranged in the shell, the commercial power flows into the protection device, the protection device is arranged at the front end of the ammeter metering device, and the protection device is prevented from exceeding the fault and burning out the ammeter metering device.
Among the above-mentioned scheme, the inside protection device of casing protection prevents that external force from damaging, and protection device prevents that the trouble from crossing protection device and burning out ammeter metering device, has protected ammeter metering device.
The shell is a square box type shell.
And an insulating mechanism is arranged on the surface of the shell.
The shell is 280mm long, 200mm wide and 160mm high.
The protection device comprises a safety device, an over-temperature action device, a temperature instrument, a circuit breaker and a wiring terminal; wherein: the mains supply flows into the wiring terminal, and the output end of the wiring terminal is electrically connected with the input end of the circuit breaker; the output end of the circuit breaker is electrically connected with the input end of the over-temperature action device; the output end of the over-temperature action device is electrically connected with the input end of the safety device; the output end of the safety device is connected with an external electric meter metering device; the temperature instrument is used for monitoring the temperature of the over-temperature action device.
Among the above-mentioned scheme, protection device protects outside ammeter metering device from overheated and two aspects of overflowing, and when the electric current was too big, safeties can the disconnection, and when the high temperature, the temperature action device can the disconnection, can effectively block the trouble, prevents that the trouble from crossing protection device and burning out ammeter metering device.
The safety device is a tubular physically connected safety device.
The over-temperature action device is a thermal protection switch and can be automatically switched off when the temperature is higher than the rated temperature.
The output end of the safety device is provided with an adjustable wiring port.
The adjustable wiring port passes through 25mm with an external electric meter metering device2The wires are electrically connected.
The circuit breaker model is RT 63A.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a prevent lock mechanism protection device of ammeter metering device scaling loss, protection device from overheated and overflow two aspects protection outside ammeter metering device, and too big when the electric current, safeties can the disconnection, and when the high temperature, the temperature action device can the disconnection, can effectively block the trouble, prevents that the trouble from crossing protection device and burning out ammeter metering device.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
1. A housing; 2. a protection device; 21. a safety device; 22. an overtemperature action device; 23. a temperature meter; 24. a circuit breaker; 25. and a terminal.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
the invention is further explained below with reference to the drawings and examples.
Example 1
As shown in figure 1, the lock mechanism protection device for preventing the electric meter metering device from being burnt comprises the electric meter metering device, a shell 1 and a protection device 2; protection device 2 sets up inside casing 1, the commercial power flows in protection device 2, just protection device 2 sets up at ammeter metering device front end, prevents that the trouble from crossing protection device 2 burns out ammeter metering device.
In the above scheme, casing 1 protects inside protection device 2, prevents that external force from damaging, and protection device 2 prevents that the trouble from crossing protection device 2 and burning out ammeter metering device, has protected ammeter metering device.
The shell 1 is a square box type shell.
The surface of the shell 1 is provided with an insulating mechanism.
The housing 1 is 280mm long, 200mm wide and 160mm high.
The protection device 2 comprises a safety device 21, an over-temperature action device 22, a temperature instrument 23, a circuit breaker 24 and a wiring terminal 25; wherein: the mains supply flows into the wiring terminal 25, and the output end of the wiring terminal 25 is electrically connected with the input end of the circuit breaker 24; the output end of the circuit breaker 24 is electrically connected with the input end of the over-temperature action device 22; the output end of the over-temperature action device 22 is electrically connected with the input end of the safety device 21; the output end of the safety device 21 is connected with an external electric meter metering device; the temperature meter 23 is used for monitoring the temperature of the over-temperature action device 22.
In the above scheme, the protection device 2 protects the external electric meter metering device from overheating and overcurrent, when the current is too large, the safety device 21 is disconnected, and when the temperature is too high, the over-temperature action device 22 is disconnected, so that the fault can be effectively blocked, and the electric meter metering device is prevented from being burnt out when the fault crosses the protection device 2.
The safety device 21 is a physically connected safety device in a tubular form.
The over-temperature actuation device 22 is a thermal protection switch and is automatically turned off when the temperature is higher than the rated temperature.
The output end of the safety device 21 is provided with an adjustable wiring port.
The adjustable wiring port and the external electric meter metering device pass through 25mm2The wires are electrically connected.
The circuit breaker 24 is model RT 63A.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A lock protection device for preventing an ammeter metering device from being burnt comprises the ammeter metering device and is characterized by further comprising a shell (1) and a protection device (2); protection device (2) set up inside casing (1), the commercial power flows in protection device (2), just protection device (2) set up at ammeter metering device front end, prevent that the trouble from crossing protection device (2) burns out ammeter metering device.
2. A protection device for a lock against burning of a metering device of an electricity meter according to claim 1, characterized in that said casing (1) is a box-shaped casing.
3. A protection device for the lock mechanism of the electric meter metering device against the burnout according to claim 2, characterized in that the surface of said casing (1) is provided with insulating means.
4. A protection device for the lock mechanism of the burnout prevention of the metering device of an electricity meter according to claim 3, characterized in that said case (1) has a length of 280mm, a width of 200mm and a height of 160 mm.
5. A lock protection device for preventing the burning of an electricity meter metering device according to claim 1, characterized in that said protection device (2) comprises a safety device (21), an overtemperature action device (22), a thermometer (23), a circuit breaker (24) and a terminal (25); wherein: the mains supply flows into the wiring terminal (25), and the output end of the wiring terminal (25) is electrically connected with the input end of the circuit breaker (24); the output end of the circuit breaker (24) is electrically connected with the input end of the over-temperature action device (22); the output end of the over-temperature action device (22) is electrically connected with the input end of the safety device (21); the output end of the safety device (21) is connected with an external electric meter metering device; the temperature meter (23) is used for monitoring the temperature of the over-temperature action device (22).
6. A protection device for a lock against burning of a metering device of an electricity meter according to claim 5, characterized in that said safety means (21) are physically connected safety means of the tubular type.
7. A lock protection device for preventing the burning of an electricity metering device according to claim 5, characterized in that said over-temperature actuation means (22) is a thermal protection switch which automatically opens when the temperature is higher than the rated temperature.
8. A protection device for a lock mechanism of an electric meter metering device against burnout according to claim 5, characterized in that the output of said safety device (21) is provided with an adjustable wiring port.
9. The apparatus of claim 8, wherein the adjustable connection port is sized to pass 25mm of an external meter metering device2The wires are electrically connected.
10. A protection device for a lock mechanism preventing a metering device of an electric meter from being burnt out according to claim 5, characterized in that the circuit breaker (24) is of the type RT 63A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048324.3U CN211179958U (en) | 2019-11-21 | 2019-11-21 | Lock protection device for preventing electric meter metering device from burning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922048324.3U CN211179958U (en) | 2019-11-21 | 2019-11-21 | Lock protection device for preventing electric meter metering device from burning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179958U true CN211179958U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922048324.3U Active CN211179958U (en) | 2019-11-21 | 2019-11-21 | Lock protection device for preventing electric meter metering device from burning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113678A (en) * | 2020-09-10 | 2020-12-22 | 贵州电网有限责任公司 | Real-time temperature detection method and system for measuring equipment wiring terminal based on PT100 platinum resistor |
-
2019
- 2019-11-21 CN CN201922048324.3U patent/CN211179958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113678A (en) * | 2020-09-10 | 2020-12-22 | 贵州电网有限责任公司 | Real-time temperature detection method and system for measuring equipment wiring terminal based on PT100 platinum resistor |
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