CN207200733U - A kind of fire emergence evacuation broadcast system detecting device - Google Patents
A kind of fire emergence evacuation broadcast system detecting device Download PDFInfo
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- CN207200733U CN207200733U CN201720972257.2U CN201720972257U CN207200733U CN 207200733 U CN207200733 U CN 207200733U CN 201720972257 U CN201720972257 U CN 201720972257U CN 207200733 U CN207200733 U CN 207200733U
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- broadcast system
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Abstract
The purpose of this utility model is to provide a kind of fire emergence evacuation broadcast system detecting device.The technical solution of the utility model is：It is made up of casing, circuit board, main control chip, power supply, display screen winding displacement and display screen, circuit board is provided with energization tester, power amplifier tester, data test device, network tester, multimedia tester, signal adapter, wireless signal measurement device and ann test device.The detection means is a kind of detection for being used for various control units in fire emergence evacuation broadcast system, and the device of a variety of intermediate element malfunction eliminations, each monitoring module is equipped with corresponding p-wire, when the fire emergence evacuation broadcast system detected to needs carries out detection operation, these connecting lines can be inserted respectively into the jack corresponding to fire emergence evacuation broadcast system to be detected, whole device compact structure, it is convenient for carrying, simple operation, suitable for the detection of various fire emergence evacuation broadcast systems, improve each functional accurate testing degree in fire emergence evacuation broadcast system.
Description
Technical field
It the utility model is related to fire fighting device detection field, more particularly to a kind of fire emergence evacuation broadcast system detecting device.
Background technology
Fire emergence evacuation broadcast system is the visual plant of fire disaster escaping evacuation and fire fighting command, controls and manages in whole fire-fighting
Effect of crucial importance is played in system.When fire occurs, emergent broadcast signal is sent by audiogenic device, by power amplification
Afterwards, the audio amplifier for broadcast designated area being switched to by broadcast handover module realizes emergent broadcast.With the continuous development of communal facility,
Also more and more higher, the emergency broadcase system that compatibility is strong for some, function device is complete exist for requirement to fire-fighting emergency broadcase system
Effect among fire-fighting system is also more and more obvious, and the detection for these fire emergence evacuation broadcast systems is similarly important, in the past
Detecting system it is not powerful enough in terms of compatibility, have some limitations, modern fire emergent broadcast system can not be met
Unite the detection of each component.
The detection means is a kind of detection for being used for various control units in fire emergence evacuation broadcast system, and a variety of more matchmakers
The device of volume elements part malfunction elimination, multiple monitoring modules are housed on the circuit board of the inside of casing, be switched on respectively tester,
Power amplifier tester, data test device, network tester, multimedia tester, signal adapter, wireless signal measurement device and alarm
Tester, in addition, each monitoring module is equipped with corresponding p-wire, when the fire emergence evacuation broadcast system detected to needs is carried out
During detection operation, these connecting lines can be inserted respectively into the jack corresponding to fire emergence evacuation broadcast system to be detected, removed
Outside this, the connection of the network port in network tester and fire emergence evacuation broadcast system to be detected is connected using a netting twine,
Go to realize the test of netting twine port；Power supply uses built-in rechargeable battery power supply, and electric power is provided for the entirety of the device, convenient to examine
The use surveyed among operation, each monitoring module will be received from fire emergence evacuation broadcast to be detected using respective connecting line
Each signal in system, and be uniformly sent to these signals in main control chip by the circuit board of casing internal, the master control
Chip is central operation process chip, can be calculated these data, and passes through display screen winding displacement, is sent on display screen
It has been shown that, operating personnel can analyze and judge in fire emergence evacuation broadcast system to be detected according to the data on display screen
Which signal is normal or abnormal, is furnished with a signal adapter in the side of multimedia tester, the signal adapter is adopted
With analog-digital commutator, multimedia tester can be converted to the numeral that main control chip can identify in the analog signal of collection
Signal, in addition, wireless signal measurement device is an independent detection unit, the wireless signal receiver of its side can sense
The wireless signal sent in fire emergence evacuation broadcast system to be detected, and pass through two wireless communication signal lamps on wireless signal measurement device
To send detection signal, if the wireless signal sent in fire emergence evacuation broadcast system to be detected is strong, two wireless communications
Signal lamp meeting all light, if the wireless signal sent in fire emergence evacuation broadcast system to be detected is weak, two wireless communication signal lamps
It can not work entirely, so, operating personnel can more intuitively judge that wireless signal is in fire emergence evacuation broadcast system to be detected
It is no normal.The structure of the detecting device is compact, is convenient for carrying, simple operation, suitable for the detection of various fire emergence evacuation broadcast systems,
Improve each functional accurate testing degree in fire emergence evacuation broadcast system.
Utility model content
The purpose of this utility model there is provided a kind of compact, portable, independent, and be used in fire emergence evacuation broadcast system
Various control units, and the device that a variety of intermediate elements are detected.
The technical solution of the utility model is：A kind of fire emergence evacuation broadcast system detecting device, it is characterised in that：By machine
Shell, circuit board, main control chip, power supply, display screen winding displacement and display screen composition, the circuit board is located at the inside of casing, described
For circuit board with casing to be fixedly connected, the main control chip is located at the inside of casing, and the main control chip is fixation with circuit board
Connection, the power supply are located at the inside of casing, and the power supply, to be fixedly connected, is additionally provided with energization with circuit board on the circuit board
Tester, power amplifier tester, data test device, network tester, multimedia tester, signal adapter, wireless signal measurement
Device and ann test device, the energization tester are located at the inside of casing, and the energization tester is to be fixedly connected with circuit board,
The power amplifier tester is located at the inside of casing, and the power amplifier tester is to be fixedly connected with circuit board, the data test device
Positioned at the inside of casing, for the data test device with circuit board to be fixedly connected, the network tester is located at the inside of casing,
For the network tester with circuit board to be fixedly connected, the multimedia tester is located at the inside of casing, and the multimedia is surveyed
Examination device is with circuit board to be fixedly connected, and the signal adapter is located at the inside of casing, and the signal adapter is with circuit board
It is fixedly connected, the wireless signal measurement device is located at the inside of casing, and the wireless signal measurement device connects with circuit board to be fixed
Connect, the ann test device is located at the inside of casing, and the ann test device with circuit board to be fixedly connected, arrange by the display screen
Line is located at the inside of casing, one end of the display screen winding displacement and circuit board to be fixedly connected, the display screen winding displacement it is another
End is with display screen to be fixedly connected, and for the display location in the top of casing, the display screen is to be fixedly connected with casing.
Further, the main control chip is central operation process chip.
Further, the power supply is built-in rechargeable battery power supply.
Further, energization p-wire is additionally provided with the energization tester, the energization p-wire is located at the side of casing,
The energization p-wire, to be fixedly connected, is additionally provided with power amplifier p-wire, the work(with energization tester on the power amplifier tester
The side that p-wire is located at casing is put, the power amplifier p-wire is to be fixedly connected with power amplifier tester, on the data test device
Data test line is additionally provided with, the data test line is located at the side of casing, and the data test line and data test device are solid
Fixed connection.
Further, signal data line and several signal testing lines, the signal are additionally provided with the multimedia tester
Data line bit is in the side of multimedia tester, and one end and the multimedia tester of the signal data line are to be fixedly connected, institute
It is to be fixedly connected to state the other end of signal data line and signal adapter, and any signal testing line is located at the side of casing,
For the signal testing line with multimedia tester to be fixedly connected, the quantity of several signal testing lines is multiple.
Further, the signal adapter is analog-digital commutator.
Further, wireless signal receiver and several wireless communication signal lamps, institute are additionally provided with the wireless signal measurement device
The side that wireless signal receiver is located at casing is stated, the wireless signal receiver is to be fixedly connected with wireless signal measurement device,
For any wireless signal lamp position in the side of wireless signal measurement device, the wireless communication signal lamp and wireless signal measurement device are solid
Fixed connection.
Further, the quantity of several wireless communication signal lamps is 2, and is light emitting diode.
Further, ann test line is additionally provided with the ann test device, the ann test line is located at the side of casing,
The ann test line is to be fixedly connected with ann test device.
Further, the display screen is LCDs.
The beneficial effects of the utility model are：The detection means is a kind of for various controls in fire emergence evacuation broadcast system
The detection of unit processed, and the device of a variety of intermediate element malfunction eliminations, equipped with multiple on the circuit board of the inside of casing
Monitoring module, tester, power amplifier tester, data test device, network tester, multimedia tester, signal are switched on respectively
Converter, wireless signal measurement device and ann test device, in addition, each monitoring module is equipped with corresponding p-wire, when to needing
When the fire emergence evacuation broadcast system to be detected carries out detection operation, these connecting lines can be inserted respectively into fire-fighting to be detected should
In jack corresponding to anxious broadcast system, in addition, answered using a netting twine to connect network tester and fire-fighting to be detected
The connection of the network port in anxious broadcast system, go to realize the test of netting twine port；Power supply uses built-in rechargeable battery power supply, for this
The overall of device provides electric power, and convenient to detect the use among operation, each monitoring module will utilize respective connecting line
Receive each signal in fire emergence evacuation broadcast system to be detected, and by casing internal circuit board by these signals
Uniformly it is sent in main control chip, the main control chip is central operation process chip, can be calculated these data, and pass through
Display screen winding displacement is crossed, is sent on display screen and is shown, operating personnel can analyze and sentence according to the data on display screen
Which of fire emergence evacuation broadcast system to be detected of breaking signal is normal or abnormal, is furnished with one in the side of multimedia tester
Individual signal adapter, the signal adapter use analog-digital commutator, can by multimedia tester collection analog signal
The data signal that main control chip can identify is converted to, in addition, wireless signal measurement device is an independent detection unit, it one
The wireless signal receiver of side can sense the wireless signal sent in fire emergence evacuation broadcast system to be detected, and by wireless
Two wireless communication signal lamps in signal testing device send detection signal, if sent in fire emergence evacuation broadcast system to be detected
If wireless signal is strong, two wireless signal lantern festival all lights, if sent in fire emergence evacuation broadcast system to be detected wireless
If signal is weak, two wireless signal lantern festivals do not work entirely, and so, operating personnel can more intuitively judge to be detected disappear
Whether wireless signal is normal in anti-emergency broadcase system.The structure of the detecting device is compact, is convenient for carrying, simple operation, is applied to
The detection of various fire emergence evacuation broadcast systems, improve each functional accurate testing degree in fire emergence evacuation broadcast system.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
Wherein：1st, casing 2, circuit board 3, main control chip
4th, power supply 5, energization tester 6, energization p-wire
7th, power amplifier tester 8, power amplifier p-wire 9, data test device
10th, data test line 11, network tester 12, multimedia tester
13rd, signal data line 14, signal adapter 15, signal testing line
16th, wireless signal measurement device 17, wireless signal receiver 18, wireless communication signal lamp
19th, ann test device 20, ann test line 21, display screen winding displacement
22nd, display screen
Embodiment
Brief description is made to specific embodiment of the present utility model below in conjunction with the accompanying drawings.
A kind of fire emergence evacuation broadcast system detecting device as shown in Figure 1 and Figure 2, it is characterised in that：By casing 1, circuit board 2,
Main control chip 3, power supply 4, display screen winding displacement 21 and display screen 22 form, and the circuit board 2 is located at the inside of casing 1, the electricity
Road plate 2 is with casing 1 to be fixedly connected, and the main control chip 3 is located at the inside of casing 1, and the main control chip 3 is with circuit board 2
It is fixedly connected, the power supply 4 is located at the inside of casing 1, and the power supply 4 is to be fixedly connected with circuit board 2, on the circuit board 2
Energization tester 5, power amplifier tester 7, data test device 9, network tester 11, multimedia tester 12, signal is additionally provided with to turn
Parallel operation 14, wireless signal measurement device 16 and ann test device 19, the energization tester 5 are located at the inside of casing 1, the energization
Tester 5, to be fixedly connected, is additionally provided with energization p-wire 6, the energization p-wire 6 with circuit board 2 on the energization tester 5
Positioned at the side of casing 1, for the energization p-wire 6 with energization tester 5 to be fixedly connected, the power amplifier tester 7 is located at machine
The inside of shell 1, the power amplifier tester 7, to be fixedly connected, are additionally provided with power amplifier test with circuit board 2 on the power amplifier tester 7
Line 8, the power amplifier p-wire 8 are located at the side of casing 1, and the power amplifier p-wire 8 is to be fixedly connected with power amplifier tester 7, institute
The inside that data test device 9 is located at casing 1 is stated, the data test device 9 is to be fixedly connected with circuit board 2, the data test
Data test line 10 is additionally provided with device 9, the data test line 10 is located at the side of casing 1, the data test line 10 and number
According to tester 9 to be fixedly connected, the network tester 11 is located at the inside of casing 1, the network tester 11 and circuit board 2
To be fixedly connected, the multimedia tester 12 is located at the inside of casing 1, and the multimedia tester 12 and circuit board 2 are solid
It is fixed to connect, it is additionally provided with signal data line 13 and several signal testing lines 15, the signal number on the multimedia tester 12
It is located at the side of multimedia tester 12 according to line 13, one end of the signal data line 13 connects with multimedia tester 12 to be fixed
Connect, with signal adapter 14 to be fixedly connected, any signal testing line 15 is located at the other end of the signal data line 13
The side of casing 1, for the signal testing line 15 with multimedia tester 12 to be fixedly connected, the signal adapter 14 is located at machine
The inside of shell 1, for the signal adapter 14 with circuit board 2 to be fixedly connected, the wireless signal measurement device 16 is located at casing 1
Inside, the wireless signal measurement device 16, to be fixedly connected, are additionally provided with wireless with circuit board 2 on the wireless signal measurement device 16
Signal receiver 17 and several wireless communication signal lamps 18, the wireless signal receiver 17 is located at the side of casing 1, described wireless
For signal receiver 17 with wireless signal measurement device 16 to be fixedly connected, any wireless communication signal lamp 18 is located at wireless signal measurement
The side of device 16, with wireless signal measurement device 16 to be fixedly connected, the ann test device 19 is located at the wireless communication signal lamp 18
The inside of casing 1, the ann test device 19, to be fixedly connected, alarm are additionally provided with the ann test device 19 with circuit board 2
P-wire 20, the ann test line 20 are located at the side of casing 1, and the ann test line 20 is fixation with ann test device 19
Connection, the display screen winding displacement 21 are located at the inside of casing 1, and one end of the display screen winding displacement 21 connects with circuit board 2 to be fixed
Connecing, for the other end of the display screen winding displacement 21 with display screen 22 to be fixedly connected, the display screen 22 is located at the top of casing 1,
The display screen 22 is to be fixedly connected with casing 1.The main control chip 3 is central operation process chip.The power supply 4 is built-in
Rechargeable battery power supply.The signal adapter 14 is analog-digital commutator.The quantity of several signal testing lines 15 is more
It is individual.The quantity of several wireless communication signal lamps 18 is 2, and is light emitting diode.The display screen 22 is liquid crystal
Display screen.
Working method：The detection means is a kind of detection for being used for various control units in fire emergence evacuation broadcast system, with
And the device of a variety of intermediate element malfunction eliminations, multiple monitoring modules are housed on the circuit board of the inside of casing 1, are respectively
Energization tester 5, power amplifier tester 7, data test device 9, network tester 11, multimedia tester 12, signal adapter 14,
Wireless signal measurement device 16 and ann test device 19, in addition, being also equipped with an energization p-wire 6, power amplifier on energization tester 5
A power amplifier p-wire 8 is also equipped with tester 7, a single data p-wire 10, multimedia test are also equipped with data test device 9
More signal testing lines 15 are also equipped with device 12, a wireless signal receiver 17 is also equipped with wireless signal measurement device 16, with
And an ann test line 20 is also equipped with ann test device 19, when the fire emergence evacuation broadcast system detected to needs detects
During operation, these connecting lines can be inserted respectively into the jack corresponding to fire emergence evacuation broadcast system to be detected, that is,
Say and energization p-wire 6 is inserted into the supply hub of fire emergence evacuation broadcast system to be detected, power amplifier p-wire 8 is inserted into and treated
In the power amplifier jack for detecting fire emergence evacuation broadcast system, it is wide that the other end of data test line 10 is inserted into fire-fighting emergent to be detected
In the data pins jack of broadcast system, every signal testing line 15 is inserted into the multimedia of fire emergence evacuation broadcast system to be detected
In jack, including：Mike's jack, earphone jack, audio amplifier jack etc., it is wide that ann test line 20 is inserted into fire-fighting emergent to be detected
In the alarm jack of broadcast system, in addition, it is wide to connect network tester 11 and fire-fighting emergent to be detected using a netting twine
The connection of the network port in broadcast system；After work to be prepared is ready, the operating switch of the power supply 4 of the side of casing 1, the power supply are opened
4 use built-in rechargeable battery power supply, provide electric power for the entirety of the device, the convenient use among detection operation, now, lead to
Electric tester 5, power amplifier tester 7, data test device 9, network tester 11, multimedia tester 12, signal adapter 14, nothing
Line signal testing device 16 and ann test device 19, it will be received using respective connecting line wide from fire-fighting emergent to be detected
Each signal in broadcast system, and these signals are uniformly sent in main control chip 3 by the circuit board 2 inside casing 1, should
Main control chip 3 is central operation process chip, can be calculated these data, and by display screen winding displacement 21, is sent to
Shown on display screen 22, operating personnel can analyze according to the data on display screen 22 and judge fire-fighting emergent to be detected
Which of broadcast system signal is normal or abnormal, wherein, received by multimedia tester 12 is analog signal,
The side of multimedia tester 12 is furnished with a signal adapter 14, and the signal adapter 14 uses analog-digital commutator, can be with
These analog signals are converted into the data signal that main control chip 3 can identify, then sent by circuit board 2 to main control chip 3
In parsed, in addition, wireless signal measurement device 16 is an independent detection unit, the wireless signal receiver 17 of its side
The wireless signal sent in fire emergence evacuation broadcast system to be detected can be sensed, and passes through two on wireless signal measurement device 16
Individual wireless communication signal lamp 18 sends detection signal, if the wireless signal that is sent in fire emergence evacuation broadcast system to be detected is strong
Words, two meeting all lights of wireless communication signal lamps 18, if the wireless signal sent in fire emergence evacuation broadcast system to be detected is weak,
Two wireless communication signal lamps 18 can not work entirely, and so, operating personnel can more intuitively judge that fire-fighting emergent to be detected is wide
Whether wireless signal is normal in broadcast system.The structure of the detecting device is compact, is convenient for carrying, simple operation, suitable for various fire-fightings
The detection of emergency broadcase system, improve each functional accurate testing degree in fire emergence evacuation broadcast system.
One embodiment of the present utility model is described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope
Equivalent change with improve etc., all should still belong within patent covering scope of the present utility model.
Claims (10)
- A kind of 1. fire emergence evacuation broadcast system detecting device, it is characterised in that：By casing, circuit board, main control chip, power supply, aobvious Display screen winding displacement and display screen composition, the circuit board are located at the inside of casing, and the circuit board is to be fixedly connected with casing, described Main control chip is located at the inside of casing, and for the main control chip with circuit board to be fixedly connected, the power supply is located at the inside of casing, The power supply, to be fixedly connected, is additionally provided with energization tester, power amplifier tester, data test with circuit board on the circuit board Device, network tester, multimedia tester, signal adapter, wireless signal measurement device and ann test device, the test that is powered Device is located at the inside of casing, and for the energization tester with circuit board to be fixedly connected, the power amplifier tester is located at the interior of casing Portion, for the power amplifier tester with circuit board to be fixedly connected, the data test device is located at the inside of casing, the data test Device is with circuit board to be fixedly connected, and the network tester is located at the inside of casing, and the network tester and circuit board are solid Fixed connection, the multimedia tester are located at the inside of casing, and the multimedia tester is to be fixedly connected with circuit board, described Signal adapter is located at the inside of casing, and the signal adapter is to be fixedly connected with circuit board, the wireless signal measurement device Positioned at the inside of casing, for the wireless signal measurement device with circuit board to be fixedly connected, the ann test device is located at casing Inside, for the ann test device with circuit board to be fixedly connected, the display screen winding displacement is located at the inside of casing, the display screen With circuit board to be fixedly connected, the other end and the display screen of the display screen winding displacement are to be fixedly connected, described aobvious for one end of winding displacement Display screen is located at the top of casing, and the display screen is to be fixedly connected with casing.
- A kind of 2. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The main control chip is Central operation process chip.
- A kind of 3. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The power supply is built-in Rechargeable battery power supply.
- A kind of 4. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The energization tester On be additionally provided with energization p-wire, the energization p-wire is located at the side of casing, and the energization p-wire is with energization tester It is fixedly connected, power amplifier p-wire is additionally provided with the power amplifier tester, the power amplifier p-wire is located at the side of casing, the work( P-wire is put with power amplifier tester to be fixedly connected, data test line, the data test are additionally provided with the data test device Line is located at the side of casing, and the data test line is to be fixedly connected with data test device.
- A kind of 5. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The multimedia test Signal data line and several signal testing lines are additionally provided with device, the signal data line is located at the side of multimedia tester, With multimedia tester to be fixedly connected, the other end and the signal of the signal data line are changed for one end of the signal data line For device to be fixedly connected, any signal testing line is located at the side of casing, and the signal testing line is with multimedia tester It is fixedly connected, the quantity of several signal testing lines is multiple.
- A kind of 6. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The signal adapter For analog-digital commutator.
- A kind of 7. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The wireless signal is surveyed Wireless signal receiver and several wireless communication signal lamps are additionally provided with examination device, the wireless signal receiver is located at the one of casing Side, the wireless signal receiver is with wireless signal measurement device to be fixedly connected, and any wireless signal lamp position is in wireless communication The side of number tester, the wireless communication signal lamp is with wireless signal measurement device to be fixedly connected.
- A kind of 8. fire emergence evacuation broadcast system detecting device according to claim 7, it is characterised in that：It is described that several are wireless The quantity of signal lamp is 2, and is light emitting diode.
- A kind of 9. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The ann test device On be additionally provided with ann test line, the ann test line is located at the side of casing, and the ann test line is with ann test device It is fixedly connected.
- A kind of 10. fire emergence evacuation broadcast system detecting device according to claim 1, it is characterised in that：The display screen is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972257.2U CN207200733U (en) | 2017-08-06 | 2017-08-06 | A kind of fire emergence evacuation broadcast system detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972257.2U CN207200733U (en) | 2017-08-06 | 2017-08-06 | A kind of fire emergence evacuation broadcast system detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200733U true CN207200733U (en) | 2018-04-06 |
Family
ID=61796148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720972257.2U Expired - Fee Related CN207200733U (en) | 2017-08-06 | 2017-08-06 | A kind of fire emergence evacuation broadcast system detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207200733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038931A (en) * | 2020-08-21 | 2020-12-04 | 湖南适美环保设备有限公司 | Low-voltage power distribution cabinet for power system |
| US11024140B2 (en) | 2019-05-06 | 2021-06-01 | Carrier Corporation | Air monitoring device including a housing with communication port access |
-
2017
- 2017-08-06 CN CN201720972257.2U patent/CN207200733U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11024140B2 (en) | 2019-05-06 | 2021-06-01 | Carrier Corporation | Air monitoring device including a housing with communication port access |
| CN112038931A (en) * | 2020-08-21 | 2020-12-04 | 湖南适美环保设备有限公司 | Low-voltage power distribution cabinet for power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20190806 |