CN220440369U - Indoor line protection device - Google Patents
Indoor line protection device Download PDFInfo
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- CN220440369U CN220440369U CN202322066879.7U CN202322066879U CN220440369U CN 220440369 U CN220440369 U CN 220440369U CN 202322066879 U CN202322066879 U CN 202322066879U CN 220440369 U CN220440369 U CN 220440369U
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Abstract
The utility model discloses an indoor intelligent line protection device, which is arranged in at least one power distribution loop, wherein each power distribution loop comprises a load, a positive voltage line and a negative voltage line which are electrically connected with two ends of the load, a short-circuit protection module or a leakage protection module, a current sensor, a switch-off switch module, an adjusting switch module and a voltage sensor arranged between the positive voltage line and the negative voltage line, which are arranged in each power distribution loop, and the indoor intelligent line protection device also comprises a control module and a power supply module, wherein the voltage sensor is connected with the input end of the control module, the current sensor and the adjusting switch module of each power distribution loop are respectively connected with the input end of the control module, and the output end of the control module is respectively connected with the switch-off switch module of each power distribution loop. The control module in the utility model controls the corresponding switch module to be disconnected, thereby protecting the power distribution loop.
Description
Technical Field
The utility model relates to the technical field of indoor line protection, in particular to an indoor line protection device.
Background
The indoor line protection device is divided into an isolating switch, an air circuit breaker MCB (GB 10963), a residual leakage circuit breaker RCBO with overcurrent protection (integrated electric leakage) (GB 16917), a residual leakage circuit breaker with overcurrent protection (spliced electric leakage) formed by assembling the air circuit breaker MCB and an electric leakage additional device RCCB (GB 16916), an overvoltage and undervoltage protector and the like. When in use, the wire inlet ends of the protection devices are connected together through conductors (wires or buses) and are arranged in the distribution box to protect the lower-end distribution circuit. The function of the air circuit breaker MCB is to protect the line from overcurrent. The protection principle of the air circuit breaker is as follows: 1) Overload protection is carried out by utilizing a bimetallic strip; 2) Short-circuit protection is performed by using an electromagnetic coil. When overload current (larger than rated current but not reaching instantaneous current) occurs in the circuit, the overload current can generate heat in the bimetallic strip, and the bimetallic strip can be physically deformed to drive the tripping mechanism to act; when the fault current of the circuit reaches the instantaneous current value, the magnetic force generated by the electromagnetic coil is utilized to drive the tripping mechanism to act.
The principle of the residual leakage protector with overcurrent protection, which is formed by assembling the residual leakage protector with overcurrent protection, the air circuit breaker MCB and the leakage adder RCCB, is that a leakage detection device is added on the basis of the function of the air circuit breaker MCB, and when the leakage current of a circuit is larger than a set value, a tripping mechanism signal is subjected to disconnection operation.
The existing line protection device has the following defects:
the overload protection of the circuit protection device is realized by utilizing the thermal deformation principle of the bimetallic strip as a protection device, so that the action error is large;
the user cannot know the current and voltage values of each loop and cannot know the running condition of the equipment;
data transmission cannot be realized, and remote monitoring and control cannot be realized;
the rated protection current value of each loop is a fixed value and cannot be adjusted according to the change of the load of a user, so that an effective protection effect cannot be achieved.
Disclosure of Invention
The present utility model provides an indoor line protection device for solving the above-mentioned problems.
The utility model is realized by the following technical scheme:
the indoor line protection device is arranged in at least one power distribution loop, each power distribution loop comprises a load, a positive voltage line and a negative voltage line which are electrically connected with two ends of the load, the plurality of loads share the positive voltage line and the negative voltage line, the indoor line protection device comprises a short-circuit protection module or a leakage protection module which are arranged in each power distribution loop, a current sensor, a switch-off switch module, an adjusting switch module and a voltage sensor which is arranged between the positive voltage line and the negative voltage line, the indoor line protection device further comprises a control module and a power supply module, the power supply module supplies power for the control module, the voltage sensor is connected with the input end of the control module, the current sensor and the adjusting switch module of each power distribution loop are respectively connected with the input end of the control module, and the output end of the control module is respectively connected with the switch-off switch module of each power distribution loop.
In the technical scheme, if a plurality of power distribution loops are arranged in parallel, and the plurality of power distribution loops are equivalent to the parallel arrangement of each power distribution loop, the independent current sensor, the regulating switch module, the switching switch module and the short-circuit protection module or the leakage protection module are adopted, the current sensor in each power distribution loop respectively transmits the respective current value to the control module, so that the control module can respectively detect the current value of each power distribution loop.
As optimization, the wireless communication system further comprises a wireless communication module, the power module supplies power for the wireless communication module, and the control module is in bidirectional communication connection with the terminal through the wireless communication module.
In this way, the parameters of the control module can be set through the terminal, and the set parameters are transmitted to the control module through the wireless communication module or the Internet.
As optimization, the system also comprises a display module, wherein the display module is in bidirectional electrical connection with the control module.
In this way, the current value and the voltage value of each power distribution loop can be displayed through the display module so as to realize visualization.
Preferably, the display module is a touch screen display.
In this way, the control module can be operated by parameters on the display module.
As an optimization, the short-circuit protection module is an air circuit breaker.
As an optimization, the electric leakage protection module is an air circuit breaker with an electric leakage protection function and a short circuit protection function.
Preferably, the control module is a microcontroller with model number C8051F 340.
As an optimization, the voltage sensor is of the model ZMPT101B.
As an optimization, the current sensor is of the model ASC712.
As optimization, the switch module is a switch relay or a shunt device of an air circuit breaker, and the adjusting switch module is a knob switch.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the utility model, the current sensor and the switch module are arranged in each power distribution loop, the current sensor transmits the current value in the power distribution loop to the control module, each power distribution loop can be independently monitored in real time, and when the current value of one power distribution loop exceeds a set protection current value, the control module controls the corresponding switch module to be disconnected, so that the power distribution loop is protected;
2. according to the actual value of the load, the parameter setting of the control module is changed by adjusting the switch module or the display module or the terminal remote instruction, so as to play a role in adjusting the protection current value of each loop, and accurately protect each loop
3. The control module can carry out data communication on the voltage, current, power and other data of the power distribution loop through the communication module, and meanwhile, the control module can display the data of the power distribution loop through the display module so as to achieve the visual effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
fig. 1 is a module connection diagram of an indoor line protection device according to the present utility model.
In the drawings, the reference numerals and corresponding part names:
100-control module, 110-power module, 200-leakage protection module, 300-wireless communication module, 400-display module, 500-terminal, 600-voltage sensor, 700-current sensor, 800-voltage sensor, 900-short circuit protection module.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
The present embodiment 1 provides an indoor line protection device, as shown in fig. 1, disposed in at least one power distribution loop, each power distribution loop includes a load and a positive voltage line (+v) and a negative voltage line (-V) electrically connected to two ends of the load, and a plurality of loads share the positive voltage line and the negative voltage line, including a short-circuit protection module 900 or a leakage protection module 200, a current sensor 700, a switch module 800, a regulating switch module 810 and a voltage sensor 600 disposed between the positive voltage line and the negative voltage line disposed in each power distribution loop, and further includes a control module 100 and a power module 110, the power module 110 supplies power to the control module 100, the voltage sensor 600 is connected to an input end of the control module 100, and the current sensor 700 and the regulating switch module 810 of each power distribution loop are respectively connected to an input end of the control module 100, and an output end of the control module 100 is respectively connected to the switch module 800 of each power distribution loop.
In this embodiment, the number of the power distribution circuits is 2, and of course, the number of the power distribution circuits may be plural, and the specific number may be set according to the actual situation.
According to the protection device, a short-circuit protection module 900 or a leakage protection module 200, a current sensor 700, a switch-off switch module 800 and an adjusting switch module 810 are respectively arranged in each power distribution loop, then a control module is independently arranged, and data of each power distribution loop are respectively collected through the control module and corresponding control signals are sent to the switch-off switch module.
The first power distribution loop comprises a short-circuit protection module, a current sensor, a switch-off switch module, an adjusting switch module and a load, wherein the short-circuit protection module 900 is an air circuit breaker, the air circuit breaker has a short-circuit protection function, and the model is selected according to actual conditions.
The switch-off switch module is a shunt device of a switch relay or an air circuit breaker, the regulating switch module is a knob switch, and the magnitude of a protection current value of the power distribution loop is regulated by the knob switch regulating control module, which is a technology in a current correction source of CN217521509U, and the technology in the patent discloses a knob which is electrically connected with the MCU controller and is used for regulating a preset current value of the signal generating unit.
The model of the current sensor can be ASC712;
the types of the voltage sensors on the positive voltage line and the negative voltage line can be ZMPT101B;
the control module 100 is a microcontroller model C8051F 340.
The second power distribution circuit is different from the first power distribution circuit in that a short-circuit protection module in the first power distribution circuit is replaced by a leakage protection module, the leakage protection module is essentially an air circuit breaker with a leakage protection function and a short-circuit protection function, and the model can be DZ65-63 1P C6A, namely, the leakage protection module has the leakage protection function and the short-circuit protection function.
In the technical scheme, each power distribution circuit adopts an independent current sensor, an adjusting switch module, a switching-off switch module and a short-circuit protection module or a leakage protection module, the current sensor in each power distribution circuit respectively transmits the respective current value to the control module, so that the control module can respectively detect the current value of each power distribution circuit. The control module is also in the prior art to control the on/off switch module by comparing the detected current value with a preset protection current value, for example, "CN203311188U a line measurement and control device with a threshold value judging function" will not be described herein.
In this embodiment, the wireless communication module is further included, the power module 110 supplies power to the wireless communication module 300, and the control module 100 is in bidirectional communication connection with the terminal 500 through the wireless communication module 300.
In this way, the parameters of the control module can be set through the terminal, and the set parameters are transmitted to the control module through the wireless communication module.
The wireless communication module may be a bluetooth module and/or a Wi-Fi module and/or a GPS module and/or the internet.
In this embodiment, the display device further includes a display module 400, where the display module 400 is electrically connected to the control module 100 in two directions, and the display module 400 is a touch screen display.
In this way, the current value and the voltage value of each distribution loop can be displayed through the display module to realize visualization, and the control module can be subjected to parameter operation through the display module.
It should be noted that, since the above modules are all existing products, the connection mode is the prior art, and the present utility model is not repeated.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An indoor line protection device is arranged in at least one distribution loop, the distribution loops comprise loads, a positive voltage line and a negative voltage line which are electrically connected with two ends of the loads, and a plurality of loads share the positive voltage line and the negative voltage line, and the indoor line protection device is characterized by comprising a short-circuit protection module (900) or a leakage protection module (200) which are arranged in each distribution loop, a current sensor (700), a switch-off module (800), a regulating switch module (810) and a voltage sensor (600) which is arranged between the positive voltage line and the negative voltage line, and further comprising a control module (100) and a power module (110), wherein the power module (110) supplies power for the control module (100), the voltage sensor (600) is connected with the input end of the control module (100), the current sensor (700) and the regulating switch module (810) of each distribution loop are respectively connected with the input end of the control module (100), and the output end of the control module (100) is respectively connected with the switch-off module (800) of each distribution loop.
2. An indoor line protection device as defined in claim 1, further comprising a wireless communication module (300), wherein the power module (110) supplies power to the wireless communication module (300), and wherein the control module (100) is connected to the terminal (500) through the wireless communication module (300) in a bi-directional communication manner.
3. An indoor line protection device as defined in claim 1, further comprising a display module (400), the display module (400) being bi-directionally electrically connected with the control module (100).
4. An indoor line protection device as defined in claim 3, wherein the display module (400) is a touch screen display.
5. An indoor line protection arrangement as defined in claim 1, wherein the short circuit protection module (900) is an air circuit breaker.
6. An indoor circuit protector according to claim 1, characterized in that the earth leakage protection module (200) is an air circuit breaker with earth leakage protection and short circuit protection functions.
7. An indoor line protection device as in claim 1, wherein the control module (100) is a microcontroller model C8051F 340.
8. An indoor line protection device as in claim 1, wherein the voltage sensor (600) is ZMPT101B.
9. An indoor line protection arrangement as defined in claim 1, wherein the current sensor (700) is an ASC712 hall current sensor.
10. An indoor line protection device as defined in claim 1, wherein the switch-off switch module (800) is a shunt device of a switch relay or an air circuit breaker, and the adjustment switch module (810) is a knob switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322066879.7U CN220440369U (en) | 2023-08-02 | 2023-08-02 | Indoor line protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322066879.7U CN220440369U (en) | 2023-08-02 | 2023-08-02 | Indoor line protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220440369U true CN220440369U (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322066879.7U Active CN220440369U (en) | 2023-08-02 | 2023-08-02 | Indoor line protection device |
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|---|---|
| CN (1) | CN220440369U (en) |
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2023
- 2023-08-02 CN CN202322066879.7U patent/CN220440369U/en active Active
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