CN215419566U - Multifunctional leakage protection device - Google Patents
Multifunctional leakage protection device Download PDFInfo
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- CN215419566U CN215419566U CN202121092578.6U CN202121092578U CN215419566U CN 215419566 U CN215419566 U CN 215419566U CN 202121092578 U CN202121092578 U CN 202121092578U CN 215419566 U CN215419566 U CN 215419566U
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Abstract
The utility model relates to a multifunctional leakage protection device, which comprises a fault signal starting and transmitting device arranged on protected equipment and a fault signal receiving and actuating device arranged in a leakage protector on the same power line with the protected equipment; the fault signal starting and transmitting device comprises a protection device signal starting module and a protection device transmitting module which are electrically connected; the signal acquisition module sends the data with faults to the protection device transmitting module, and the protection device transmitting module transmits a wireless fault signal to the fault signal receiving action device through the wireless module; the protection device receiving module is used for receiving the wireless fault signal and sending a protection instruction to the protection device action module after receiving the wireless fault signal, and the protection device action module controls the leakage protector to execute protection action after receiving the protection instruction. The utility model collects various signals around the equipment by connecting various sensors in parallel into the circuit.
Description
Technical Field
The utility model relates to a multifunctional leakage protection device, and belongs to the technical field of leakage protectors.
Background
Leakage protection is an important protection measure in the use process of electric equipment. The current leakage protection device installed and applied has single function, and only when a single-phase electric shock accident occurs to a human body and unbalanced current is generated, the device can act to cut off a point power supply, so that the function of protecting the human body or equipment is achieved. However, if the human body is in an insulated state, once two phase lines or a phase line and a neutral line are touched, or the working circuit of the protector is in fault, the protector does not act, namely, the protector cannot protect the human body or equipment. And may cause fire accidents, large electric energy loss, customer complaints and other events. Patent CN107069659A discloses a novel earth leakage protection device, which can protect the equipment from earth leakage according to external information. The disadvantage is that the protection scenario is single.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems, the utility model provides a multifunctional leakage protection device which is connected into a circuit in parallel through various sensors and is used for collecting various signals around equipment, so that the purpose of being suitable for various protection scenes is achieved. Meanwhile, the sensor is connected into the circuit switch, so that collected information can be selected.
The technical scheme of the utility model is as follows:
a multifunctional leakage protection device comprises a fault signal starting and transmitting device arranged on protected equipment and a fault signal receiving and actuating device arranged in a leakage protector on the same power line with the protected equipment; the fault signal starting and transmitting device comprises a protection device signal starting module and a protection device transmitting module which are electrically connected; the protection device signal starting module comprises a signal acquisition module, the signal acquisition module comprises a temperature sensor, a current sensor, a voltage sensor and a frequency sensor which are connected in parallel, the protection device signal starting module acquires the temperature, the current, the voltage and the current frequency of protected equipment, judges whether the equipment fails or not and sends data of the failure to the protection device transmitting module, and the protection device transmitting module transmits a wireless failure signal to the failure signal receiving action device through a wireless module; the fault signal receiving action device comprises a protection device receiving module and a protection device action module which are electrically connected; the protection device receiving module is used for receiving the wireless fault signal and sending a protection instruction to the protection device action module after receiving the wireless fault signal, and the protection device action module controls the leakage protector to execute protection action after receiving the protection instruction.
The signal starting module of the protection device further comprises a signal triggering circuit and a first signal output module, wherein the signal triggering circuit judges whether the protected equipment has a fault according to the data acquired by the signal acquisition module, and transmits the fault data to the protection device transmitting module through the first signal output module; the protection device transmitting module comprises a first signal receiving module, a first signal processing module and a signal transmitting module, wherein the first signal receiving module receives fault data, processes the fault data into a wireless signal through the first signal processing module, and transmits the wireless signal through the signal transmitting module; the protection device receiving module comprises a wireless receiving module, a second signal processing module, a control module and a second signal output module, after the wireless receiving module receives the wireless signals, the second signal processing module processes the wireless signals and transmits the wireless signals to the control module, and the control module outputs control signals and outputs the control signals through the second signal output module; the protection device action module comprises a second signal receiving module and an action module; the second signal receiving module receives the control signal and transmits the control signal to the action module, and the action module acts according to the control signal.
Further, the first signal output module comprises a relay K1, and the first signal receiving module comprises a relay contact K1J; the second signal output module includes a relay K2, and the second signal receiving module includes a relay contact K2J.
Further, the action module comprises a tripping coil of the leakage protector and an action contact of the leakage protector.
Further, the protection device signal starting module and the protection device transmitting module are jointly installed on a circuit board; the protection device receiving module and the protection device action module are jointly installed in the leakage protector.
The utility model has the following beneficial effects:
1. the leakage protection device can monitor various parameters of the surrounding environment of equipment or circuits, and is wide in applicable scene and multiple in monitoring conditions.
2. The leakage protection device can select the sensor to be connected into the circuit according to the use scene, and is suitable for more working scenes, such as high-temperature scenes, when the temperature sensor is selected not to be connected into the circuit.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a schematic diagram of a signal starting module of the protection device according to the embodiment of the present invention.
Fig. 3 is a schematic diagram of a protection device transmitting module according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a protection device receiving module according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of an operation module of the protection device according to the embodiment of the present invention.
The reference numbers in the figures denote:
1. a protection device signal starting module; 2. a protection device transmitting module; 3. a protection device receiving module; 4. a protection device action module; 5. a signal acquisition module; 6. a signal triggering circuit; 7. a first signal output module; 8. a first signal receiving module; 9. a first signal processing module; 10. a signal transmitting module; 11. a wireless receiving module; 12. a second signal processing module; 13. a control module; 14. a second signal output module; 15. a second signal receiving module; 16. a leakage protector release coil; 17. and the leakage protector acts as a contact.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1-5, a multifunctional earth leakage protection device comprises a fault signal starting and transmitting device installed on a protected device and a fault signal receiving and actuating device installed in an earth leakage protector on the same power line with the protected device; the fault signal starting and transmitting device comprises a protection device signal starting module 1 and a protection device transmitting module 2 which are electrically connected; the protection device signal starting module 1 comprises a signal collecting module 5, the signal collecting module 5 comprises temperature sensors, current sensors, voltage sensors and frequency sensors which are connected in parallel, each sensor is provided with a signal access starting switch (kJ1-kJn), the protection device signal starting module 1 collects the temperature, the current, the voltage and the current frequency of protected equipment, judges whether the equipment breaks down or not, sends data of the broken down to the protection device transmitting module 2, and the protection device transmitting module 2 transmits a wireless fault signal to the fault signal receiving action device through a wireless module; the fault signal receiving and actuating device comprises a protection device receiving module 3 and a protection device actuating module 4 which are electrically connected; the protection device receiving module 3 is configured to receive the wireless fault signal, and send a protection instruction to the protection device action module 4 after receiving the wireless fault signal, and the protection device action module 4 controls the earth leakage protector to perform a protection action after receiving the protection instruction.
In at least one embodiment, the protection device signal starting module 1 further includes a signal triggering circuit 6 and a first signal output module 7, where the signal triggering circuit 6 determines whether a protected device fails according to data acquired by the signal acquisition module 5, and sends failure data to the protection device transmitting module 2 through the first signal output module 7; the protection device transmitting module 2 comprises a first signal receiving module 8, a first signal processing module 9 and a signal transmitting module 10, wherein after the first signal receiving module 8 receives fault data, the fault data is processed into a wireless signal through the first signal processing module 9, and the wireless signal is transmitted through the signal transmitting module 10; the protection device receiving module 3 comprises a wireless receiving module 11, a second signal processing module 12, a control module 13 and a second signal output module 14, after the wireless receiving module 11 receives the wireless signal, the second signal processing module 12 processes the wireless signal and transmits the wireless signal to the control module 13, and the control module 13 outputs a control signal and outputs the control signal through the second signal output module 14; the protection device action module 4 comprises a second signal receiving module 15 and an action module; the second signal receiving module 15 receives the control signal and transmits the control signal to the action module, and the action module acts according to the control signal.
In at least one embodiment, the first signal output module 7 includes a relay K1, and the first signal receiving module 8 includes a relay contact K1J; the second signal output module 14 includes a relay K2, and the second signal receiving module 15 includes a relay contact K2J.
In at least one embodiment, the actuation module includes a leakage protector release coil 16 and leakage protector actuation contacts 17.
In at least one embodiment, the protection device signal starting module 1 and the protection device transmitting module 2 are mounted on a circuit board together; the protection device receiving module 3 and the protection device action module 4 are installed in the earth leakage protector together.
Referring to fig. 1-5, the working principle of the present invention is as follows:
when the utility model is used, the fault signal starting and transmitting device is arranged in the equipment or space range to be protected, and the fault signal receiving and actuating device is arranged in the leakage protector. The signal acquisition module 5 acquires various signals in real time, the signal trigger circuit 6 judges whether the signals reach a threshold value, and the signals reaching the threshold value are transmitted to the protection device transmitting module 2 through the first signal output module 7. After the first signal receiving module 8 receives the signal, the signal is processed by the first signal processing module 9, and then the signal is transmitted to the protection device receiving module 3 through a wireless signal by the signal transmitting module 10. After the wireless receiving module 11 receives the wireless signal, the wireless signal is processed by the second signal processing module 12, the control module 13 outputs a protection instruction, the second signal output module 14 transmits the instruction to the protection device action module 4, and the second signal receiving module 15 executes a protection action after receiving the instruction.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (5)
1. A multifunctional leakage protection device is characterized by comprising a fault signal starting and transmitting device arranged on protected equipment and a fault signal receiving and actuating device arranged in a leakage protector on the same power line with the protected equipment; the fault signal starting and transmitting device comprises a protection device signal starting module (1) and a protection device transmitting module (2) which are electrically connected; the protection device signal starting module (1) comprises a signal acquisition module (5), the signal acquisition module (5) comprises a temperature sensor, a current sensor, a voltage sensor and a frequency sensor which are connected in parallel, the protection device signal starting module (1) acquires the temperature, the current, the voltage and the current frequency of protected equipment, judges whether the equipment fails or not, sends data of the failure to the protection device transmitting module (2), and the protection device transmitting module (2) transmits a wireless failure signal to the failure signal receiving action device through a wireless module; the fault signal receiving and acting device comprises a protection device receiving module (3) and a protection device acting module (4) which are electrically connected; the protection device receiving module (3) is used for receiving the wireless fault signal and sending a protection instruction to the protection device action module (4) after receiving the wireless fault signal, and the protection device action module (4) controls the leakage protector to execute a protection action after receiving the protection instruction.
2. The multifunctional earth leakage protection device of claim 1, wherein the protection device signal starting module (1) further comprises a signal triggering circuit (6) and a first signal output module (7), the signal triggering circuit (6) judges whether the protected equipment has a fault according to the data collected by the signal collecting module (5), and sends the fault data to the protection device transmitting module (2) through the first signal output module (7); the protection device transmitting module (2) comprises a first signal receiving module (8), a first signal processing module (9) and a signal transmitting module (10), wherein after the first signal receiving module (8) receives fault data, the fault data are processed into wireless signals through the first signal processing module (9), and the wireless signals are transmitted through the signal transmitting module (10); the protection device receiving module (3) comprises a wireless receiving module (11), a second signal processing module (12), a control module (13) and a second signal output module (14), after the wireless receiving module (11) receives the wireless signals, the second signal processing module (12) processes the wireless signals and transmits the wireless signals to the control module (13), and the control module (13) outputs control signals and outputs the control signals through the second signal output module (14); the protection device action module (4) comprises a second signal receiving module (15) and an action module; the second signal receiving module (15) receives the control signal and transmits the control signal to the action module, and the action module acts according to the control signal.
3. Multifunctional residual current device according to claim 2, characterized in that said first signal output module (7) comprises a relay K1, said first signal receiving module (8) comprises a relay contact K1J; the second signal output module (14) includes a relay K2, and the second signal receiving module (15) includes a relay contact K2J.
4. A multi-function earth leakage protection device according to claim 1, characterized in that said action module comprises an earth leakage protector release coil (16) and earth leakage protector action contacts (17).
5. A multifunctional earth leakage protection device as claimed in claim 1, characterized in that said protection device signal enabling module (1) and said protection device transmitting module (2) are mounted together on a circuit board; the protection device receiving module (3) and the protection device action module (4) are jointly installed in the leakage protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092578.6U CN215419566U (en) | 2021-05-20 | 2021-05-20 | Multifunctional leakage protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092578.6U CN215419566U (en) | 2021-05-20 | 2021-05-20 | Multifunctional leakage protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215419566U true CN215419566U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121092578.6U Active CN215419566U (en) | 2021-05-20 | 2021-05-20 | Multifunctional leakage protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215419566U (en) |
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2021
- 2021-05-20 CN CN202121092578.6U patent/CN215419566U/en active Active
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