CN210578506U

CN210578506U - Overvoltage protection device for radio frequency transmitter of Internet of things

Info

Publication number: CN210578506U
Application number: CN201922472041.1U
Authority: CN
Inventors: 钱建华; 俞维
Original assignee: Jiangsu Zhiwei Construction Co Ltd
Current assignee: Jiangsu Zhiwei Construction Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-05-19
Anticipated expiration: 2029-12-31
Also published as: WO2021135771A1

Abstract

The utility model discloses an overvoltage protection device for radio frequency transmitter of internet of things, which comprises an outer shell, wherein a storage cavity is arranged in the outer shell, one end in the storage cavity is provided with a circuit breaker, the circuit breaker is connected with a circuit through a lead, a rectifier diode, a step-down transformer and a high-voltage sensor which are connected with the circuit breaker in parallel are also arranged in the storage cavity, a controller is also arranged in the outer shell, one end of the controller is electrically connected with a wireless signal receiving and sending module and an alarm, one side of the outer shell is provided with an air inlet, when the circuit overvoltage causes the short circuit of the circuit breaker, the rectifier diode, the step-down transformer and the high-voltage sensor are connected with a circuit, the rectifier diode and the step-down transformer reduce the high-voltage circuit into a low-voltage circuit, the high-voltage sensor transmits signals to, and transmitting information to a remote terminal for prompt.

Description

Overvoltage protection device for radio frequency transmitter of Internet of things

Technical Field

The utility model relates to a circuit protection technical field specifically is an overvoltage protector for thing networking radio frequency transmitter.

Background

Overvoltage protection refers to a protection mode that disconnects the power supply or reduces the voltage of the controlled device when the protected line voltage exceeds a predetermined maximum value. At present, a common mode in the market is to use a metal conductor as a melt to break a circuit, connect the metal conductor in series in the circuit, and when overload or short-circuit current passes through the melt, the melt is heated and fused, so that a certain protection effect is achieved on a power system, various electrical equipment and household appliances. But present protection device is most earlier need pull down the electric brake when changing the part and realize that just removable after the comprehensive outage, forgets the break-brake and has very big potential safety hazard when changing when the staff, very easily takes place to electrocute the risk, seriously harm staff's life health.

The existing overvoltage protection device for the radio frequency transmitter of the Internet of things cannot give out warning reminding in time when the circuit is overvoltage, and cannot carry out wireless reminding processing on a remote terminal, so that the use safety is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overvoltage protector for thing networking radio frequency emitter to solve the current overvoltage protector for thing networking radio frequency emitter, when the circuit was excessive pressure again, can not in time make the warning and remind, can not carry out wireless warning processing moreover by remote terminal, reduced the problem of the security of using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an overvoltage protector for thing networking radio frequency emitter, includes the shell body, the inside storage chamber of having seted up of shell body, store the inside one end of intracavity and install the circuit breaker, the circuit breaker passes through the wire and inserts the circuit, store the intracavity and still install rectifier diode, step-down transformer and the high pressure sensor parallelly connected with the circuit breaker, the inside controller that still installs of shell body, controller one end electric connection has wireless signal transceiver module and alarm, the air intake has been seted up to shell body one side, and the shell body opposite side has seted up the air outlet, the heat dissipation fan is installed to air intake one end.

Preferably, the outer side of the outer shell is provided with a fixed supporting leg, and the fixed supporting leg is provided with a positioning hole.

Preferably, the inner wall of the storage cavity of the outer shell is provided with an insulating protective layer.

Preferably, dust filter nets are arranged in the air inlet and the air outlet.

Preferably, one side of the outer shell is hinged with a cover door, and the cover door is provided with a perspective window.

Preferably, the side wall of the outer shell is provided with a wire inlet hole, and a rubber protective pad is arranged in the wire inlet hole.

Preferably, the shell body is internally provided with a built-in power supply, and the built-in power supply is electrically connected with the controller, the wireless signal transceiver module and the alarm.

Preferably, the outer shell is a metal shell, and an insulating coating is arranged on the outer side of the outer shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when circuit excessive pressure causes the circuit breaker short circuit, rectifier diode, step-down transformer and high pressure sensor switch-on circuit, rectifier diode and step-down transformer make high voltage circuit reduce to low voltage circuit, and high pressure sensor gives the controller with the signal transmission simultaneously, and controller switch-on circuit control wireless signal transceiver module and alarm work are in time reminded to transmitting information to terminal far away, and the alarm sends the alarm sound, warns near personnel and handles, and the safety in utilization is higher.

2. The utility model discloses and seted up the air intake through shell body one side, and the shell body opposite side has seted up the air outlet, and the heat dissipation fan is installed to air intake one end, is convenient for carry out quick heat dissipation to shell body inside and handles, is convenient for improve life.

3. The utility model discloses an insulating inoxidizing coating is installed to the intracavity wall that stores of shell body, can insulate the protection to the outer shell, is favorable to improving safety in utilization, installs the dirt filtrating screen in air intake and the air outlet for filter the dust and prevent that the dust from getting into in the shell body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic block diagram of the present invention.

In the figure: 1. an outer housing; 2. a storage chamber; 3. a circuit breaker; 4. a wire; 5. an air outlet; 6. a rectifier diode; 7. a step-down transformer; 8. a high pressure sensor; 9. a perspective window; 10. a wireless signal transceiving module; 11. an alarm; 12. a heat dissipation fan; 13. a fixed leg; 14. positioning holes; 15. an air inlet; 16. an insulating protective layer; 17. covering the door; 18. a wire inlet hole; 19. a built-in power supply; 20. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, an overvoltage protection device for an internet of things radio frequency transmitter includes an outer housing 1, a storage cavity 2 is formed inside the outer housing 1 for storing electrical equipment, a circuit breaker 3 is installed at one end inside the storage cavity 2, the circuit breaker 3 is connected to a circuit through a wire 4, a rectifier diode 6, a step-down transformer 7 and a high voltage sensor 8 are further installed inside the storage cavity 2 and connected in parallel with the circuit breaker 3, a controller 20 is further installed inside the outer housing 1, the high voltage sensor 8 is electrically connected to the controller 20, one end of the controller 20 is electrically connected to a wireless signal transceiver module 10 and an alarm 11, the wireless signal transceiver module 10 can be YS-5, the alarm 11 can be LTE-1101, the controller 20 employs a single chip microcomputer with a model of HT66F018, when a short circuit occurs in the circuit breaker 3 due to, rectifier diode 6, step-

down transformer

7 and 8 switch-on circuits of high pressure sensor, rectifier diode 6 and step-down transformer 7 make high voltage circuit reduce to low voltage circuit, high pressure sensor 8 gives controller 20 with the signal transmission simultaneously, controller 20 controls wireless signal transceiver module 10 and alarm 11 work, transmit information to terminal far away and in time remind, alarm 11 sends the police dispatch newspaper sound, carry out warning treatment to near personnel, air intake 15 has been seted up to shell body 1 one side, and the air outlet 5 has been seted up to shell body 1 opposite side, heat dissipation fan 12 is installed to 15 one end of air intake, be convenient for carry out quick heat dissipation treatment to shell body 1 inside, be convenient for improve life.

Preferably, the outer side of the outer shell 1 is provided with a fixing support leg 13, and the fixing support leg 13 is provided with a positioning hole 14, so that the fixing support leg is convenient to install, fix and use.

Preferably, the insulating protective layer 16 is installed to the inner wall of the storage cavity 2 of the outer shell 1, so that the outer shell 1 can be protected in an insulating manner, and the use safety is improved.

Preferably, dust filter screens are installed in the air inlet 15 and the air outlet 5 for filtering dust and preventing the dust from entering the outer casing 1.

Preferably, the cover door 17 is hinged to one side of the outer shell 1, and the perspective window 9 is arranged on the cover door 17, so that one side of the outer shell 1 can be covered and protected conveniently.

Preferably, the side wall of the outer shell 1 is provided with a wire inlet hole 18, and a rubber protective pad is arranged in the wire inlet hole 18, so that the lead 4 can be conveniently connected.

Preferably, a built-in power supply 19 is installed inside the outer shell 1, the built-in power supply 19 is a button battery pack, and the built-in power supply 19 is electrically connected with the controller 20, the wireless signal transceiver module 10 and the alarm 11, so that an independent power supply can be provided for the controller 20, the wireless signal transceiver module 10 and the alarm 11 to work.

Preferably, the outer shell 1 is a metal shell, and an insulating coating is arranged on the outer side of the outer shell 1, so that the outer shell 1 can be insulated and protected, and the use safety is improved.

The utility model discloses a theory of operation and use flow: when the circuit breaker 3 is short-circuited due to overvoltage of the circuit, the rectifier diode 6, the step-down transformer 7 and the high-voltage sensor 8 are connected with the circuit, the high-voltage circuit is reduced into a low-voltage circuit through the rectifier diode 6 and the step-down transformer 7, signals are transmitted to the controller 20 through the high-voltage sensor 8, the controller 20 controls the wireless signal receiving and transmitting module 10 and the alarm 11 to work, information is transmitted to a remote terminal to prompt in time, the alarm 11 gives an alarm sound to warn nearby personnel, and the use safety is high; and seted up air intake 15 through 1 one side of shell body, and shell body 1 opposite side has seted up air outlet 5, and heat dissipation fan 12 is installed to 15 one end of air intake, is convenient for carry out quick heat dissipation processing to the inside of shell body 1, improves work efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An overvoltage protection device for a radio frequency transmitter of the internet of things, comprising an outer shell (1), characterized in that: the utility model discloses a high-voltage switch, including shell body (1), cavity (2) has been seted up to store inside, store the inside one end in cavity (2) and install circuit breaker (3), circuit breaker (3) are through wire (4) access circuit, store still install rectifier diode (6), step-down transformer (7) and high pressure sensor (8) parallelly connected with circuit breaker (3) in cavity (2), shell body (1) is inside still to be installed controller (20), controller (20) one end electric connection has wireless signal transceiver module (10) and alarm (11), air intake (15) have been seted up to shell body (1) one side, and shell body (1) opposite side has seted up air outlet (5), heat dissipation fan (12) are installed to air intake (15) one end.

2. The overvoltage protection device for the radio frequency transmitter of the internet of things as claimed in claim 1, wherein: fixed support legs (13) are installed on the outer side of the outer shell (1), and positioning holes (14) are formed in the fixed support legs (13).

3. The overvoltage protection device for the radio frequency transmitter of the internet of things as claimed in claim 1, wherein: and an insulating protective layer (16) is arranged on the inner wall of the storage cavity (2) of the outer shell (1).

4. The overvoltage protection device for the radio frequency transmitter of the internet of things as claimed in claim 1, wherein: and dust filtering nets are arranged in the air inlet (15) and the air outlet (5).

5. The overvoltage protection device for the radio frequency transmitter of the internet of things as claimed in claim 1, wherein: and one side of the outer shell (1) is hinged with a cover door (17), and the cover door (17) is provided with a perspective window (9).

6. The overvoltage protection device for the radio frequency transmitter of the internet of things as claimed in claim 1, wherein: the side wall of the outer shell (1) is provided with a wire inlet hole (18), and a rubber protective pad is arranged in the wire inlet hole (18).

7. The overvoltage protection device for the radio frequency transmitter of the internet of things as claimed in claim 1, wherein: the portable wireless alarm is characterized in that a built-in power supply (19) is arranged inside the outer shell (1), and the built-in power supply (19) is electrically connected with the controller (20), the wireless signal receiving and transmitting module (10) and the alarm (11).

8. The overvoltage protection device for the radio frequency transmitter of the internet of things as claimed in claim 1, wherein: the outer shell (1) is a metal shell, and an insulating coating is arranged on the outer side of the outer shell (1).