CN205749709U - Handheld specialized detector for radio frequency commodity anti-theft equipment - Google Patents
Handheld specialized detector for radio frequency commodity anti-theft equipment Download PDFInfo
- Publication number
- CN205749709U CN205749709U CN201620405923.XU CN201620405923U CN205749709U CN 205749709 U CN205749709 U CN 205749709U CN 201620405923 U CN201620405923 U CN 201620405923U CN 205749709 U CN205749709 U CN 205749709U
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- Prior art keywords
- battery
- display screen
- pcb board
- upper casing
- detector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
This utility model relates to a kind of handheld specialized detector for radio frequency commodity anti-theft equipment, the detection pcb board including shell, being arranged at this shell inner cavity and display screen；Described shell is formed by having the upper casing of panel, lower casing and a baffle plate；Installing a starting button on this upper casing, and have window, described display screen is arranged at this window；Back part in this lower casing sets battery case, battery case internal battery.This detector volume is little, is convenient for carrying and uses, it is adaptable to the detection of existing radio frequency commodity anti-theft equipment, maintenance, and detection is quick, reduces the working strength of maintainer, saving of work and time.
Description
Technical field
This utility model relates to the detecting instrument of commodity anti-theft equipment, particularly one and is used for detecting radio frequency (RF) commodity anti-theft
The handheld specialized detector of equipment.
Background technology
Along with popularizing that radio frequency (RF) commodity anti-theft equipment uses, the maintenance of equipment just becomes a big problem.And it is the biggest
Most producers overhaul with traditional instruments such as oscillographs at the scene, and oscillograph maintenance parameter test point to be surveyed one by one
Examination, also to calculate, and the working strength of maintainer is big, time-consuming, makes after-sales maintenance service cost increase.
Summary of the invention
The purpose of this utility model is to provide a kind of handheld specialized detector for radio frequency (RF) commodity anti-theft equipment, its
Portable belt, battery is chargeable, easy to operate, and has higher stability, and security performance is high.
The handheld specialized detector for radio frequency commodity anti-theft equipment that this utility model provides, including shell, is arranged at
The detection pcb board of this shell inner cavity, and the display screen being connected with described detection pcb board by cable；Outside described
Shell is formed by having the upper casing of panel, lower casing and a baffle plate；One starting button is installed on this upper casing, and has window,
Described display screen is arranged at this window；Back part in this lower casing sets battery case, battery case internal battery.
Wherein, described baffle plate is inserted in the corresponding draw-in groove on described upper casing and lower casing.Described upper casing and lower casing are by 4
Screw closure is together.
Described display screen uses LCD screen etc..
The oral area of described battery case fastens lid, and described battery is by battery snap with the power line on described detection pcb board even
Connect.Described battery is aneroid battery or rechargeable battery.
Testing circuit on described detection pcb board includes MCU, and be sequentially connected with reception antenna, pre-amplifier,
Amplifier and shaping circuit, the output signal of this shaping circuit is sent into MCU mono-input, and is obtained by MCU process
The parameter of each test point of equipment under test, the described display screen being then delivered to be connected with MCU output port shows.Described
Start button to be connected with another input of MCU.
For reducing volume, described reception antenna is preferably etched in the copper foil antenna at the described detection pcb board back side, and makes this
Copper foil antenna is near described baffle plate.In other embodiments, described reception antenna may be used without printed antenna, this printing sky
Line is printed on described detection pcb board one side.
A kind of handheld specialized detector for radio frequency commodity anti-theft equipment, including shell, is arranged at this shell inner cavity
Detection pcb board and display screen；It is characterized in that,
In described shell is by having the upper casing of panel, lower casing and being inserted in the corresponding draw-in groove of this upper casing front end and lower casing front end
Baffle plate composition；Opening a window on this upper casing, a starting button is installed on the left side of this window, installs institute at this window
State display screen；Back part in this lower casing sets the battery case built with rechargeable battery；
The prime that testing circuit on described detection pcb board comprises MCU, reception antenna is connected with this reception antenna is put
Big device, amplifier and be connected to the shaping circuit of MCU mono-input, this amplifier is connected to the output of this pre-amplifier
Between end and the input of this shaping circuit, MCU output port connects described display screen；
Wherein, described reception antenna is the copper foil antenna being etched in the described detection pcb board back side, and this copper foil antenna is near institute
State baffle plate.
When using detector, the head (i.e. reception antenna place end) of detector only need to be directed at the test point of equipment under test,
By this starting button, detector i.e. receives the signal that the test point of equipment under test is launched, the output signal of reception antenna
Amplified by prime, amplify for the 2nd time and after shaping, then by MCU process, obtain the base of each test point of equipment under test
This parameter, send display screen automatically to show.This basic parameter is in the swept-frequency signal of existing radio frequency (RF) commodity anti-theft equipment
Frequency of heart Fc, modulating frequency Ω and scan width Δ f.
This utility model handheld specialized detector is applicable to the maintenance of existing radio frequency commodity anti-theft equipment, it is not necessary to as oscillography
Device maintenance parameter is the same, and test point is gone test and calculates one by one, only its reception antenna place end need to be directed at tested setting
Standby test point, by this starting button, detector i.e. receives the signal that the test point of equipment under test is launched, obtains after process
The key parameter of each test point of the equipment of obtaining, is automatically displayed on display screen.
This handheld specialized detector volume is little, facilitates the detection of existing radio frequency commodity anti-theft equipment, maintenance, and detection is quick,
Reduce the working strength of maintainer, saving of work and time, get twice the result with half the effort.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of this utility model handheld specialized detector embodiment；Wherein, 101 is panel,
102 is upper casing, and 103 is display screen, and 104 is baffle plate, and 105 is pcb board, and 106 is lower casing, and 107 is battery cover,
108 is to start button；
Fig. 2 is its front view；
Fig. 3 is its schematic block circuit diagram；
Fig. 4 is detection procedure figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is illustrated.
With reference to Fig. 1-Fig. 3, this handheld specialized detector mainly includes by upper casing 102, lower casing 106 and the gear of right edge
The shell with hollow cavity of plate 104 composition, and it is arranged on the detection of shell inner cavity portion pcb board 105, display screen 103
And battery etc..
Installing a starting button 108 on upper casing 102, and have window, display screen 103 is arranged at this window, on
Panel 101 is also set up on shell 102.Lower casing 106 back part sets battery case, this battery case internal battery and battery snap, electricity
The oral area of pond box fastens lid 107, and described battery is by battery snap with the power line on described detection pcb board 105 even
Connect.Battery is rechargeable battery or aneroid battery.
Testing circuit on detection pcb board 105 includes: the prime that MCU 5, reception antenna 1 are connected with reception antenna 1
Amplifier 2, amplifier 3 and shaping circuit 4, amplifier 3 is connected to outfan and the shaping circuit 4 of pre-amplifier 2
Input between, the output signal of shaping circuit 4 sends into MCU5 process, obtains the ginseng of each test point of equipment under test
Number, the described display screen 103 being then delivered to be connected with MCU 5 shows.Another input of MCU 5 connects described rising
Dynamic button 108 (Fig. 3 is not shown).
Baffle plate 104 is inserted in the corresponding draw-in groove of upper casing 102 front end and lower casing 106 front end.Upper casing 102 and lower casing 106
By 4 screw closures together.Described starts the described window left side that button 108 is preferably mounted on upper casing 102,
It is easy to hand-held operation.
For reducing volume, reception antenna 1 is preferably etched in the copper foil antenna at described detection pcb board 105 back side, and makes
This copper foil antenna is near described baffle plate (i.e. near the head of detector).
Fig. 4 is detection procedure figure.When using detector, only need to be by the head (reception antenna 1 place end) of detector
The test point of alignment equipment under test, by starting button 108, detector i.e. receives what the test point of equipment under test was launched
Signal, after the output signal of reception antenna 1 is by prime amplification, the 2nd amplification and shaping, then by MCU process,
Obtain the basic parameter of each test point of equipment under test, send display screen automatically to show.
Basic parameter herein is the mid frequency Fc of the swept-frequency signal of existing radio frequency (RF) commodity anti-theft equipment, modulating frequency
Ω and scan width Δ f.The calculating of these basic parameters repeats no more refering to existing pertinent literature.
Claims (9)
1., for a handheld specialized detector for radio frequency commodity anti-theft equipment, including shell, it is arranged at this shell inner cavity
Detection pcb board and display screen；It is characterized in that,
Described shell is formed by having the upper casing of panel, lower casing and a baffle plate；One starting button is installed on this upper casing,
And having window, described display screen is arranged at this window；Back part in this lower casing sets battery case, and this battery case is built-in
Battery.
Special detector the most according to claim 1, it is characterised in that described baffle plate be inserted in described upper casing and under
In corresponding draw-in groove on shell；Described upper casing and lower casing are integral by multiple screw closures.
Special detector the most according to claim 1, it is characterised in that the oral area of described battery case fastens lid,
Described battery is connected with the power line on described detection pcb board by battery snap.
4. according to the special detector described in claim 1 or 3, it is characterised in that described battery is that aneroid battery maybe can fill
Electricity battery.
Special detector the most according to claim 1, it is characterised in that the detection electricity on described detection pcb board
Road includes MCU, and reception antenna, pre-amplifier, amplifier and the shaping circuit being sequentially connected with, this shaping circuit
Outfan connects MCU mono-input, and MCU output port connects described display screen.
Special detector the most according to claim 5, it is characterised in that described starting button is with described MCU's
Another input connects.
Special detector the most according to claim 5, it is characterised in that described reception antenna is to be etched in described inspection
Survey the copper foil antenna at the pcb board back side.
Special detector the most according to claim 1 or 5, it is characterised in that described display screen is LCD screen.
9., for a handheld specialized detector for radio frequency commodity anti-theft equipment, including shell, it is arranged at this shell inner cavity
Detection pcb board and display screen；It is characterized in that,
In described shell is by having the upper casing of panel, lower casing and being inserted in the corresponding draw-in groove of this upper casing front end and lower casing front end
Baffle plate composition；Opening a window on this upper casing, a starting button is installed on the left side of this window, installs institute at this window
State display screen；Back part in this lower casing sets the battery case built with rechargeable battery；
The prime that testing circuit on described detection pcb board comprises MCU, reception antenna is connected with this reception antenna is put
Big device, amplifier and be connected to the shaping circuit of this MCU mono-input, it is defeated that this amplifier is connected to this pre-amplifier
Going out between end and the input of this shaping circuit, this MCU output port connects described display screen；
Wherein, described reception antenna is the copper foil antenna being etched in the described detection pcb board back side, and this copper foil antenna is near institute
State baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620405923.XU CN205749709U (en) | 2016-05-06 | 2016-05-06 | Handheld specialized detector for radio frequency commodity anti-theft equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620405923.XU CN205749709U (en) | 2016-05-06 | 2016-05-06 | Handheld specialized detector for radio frequency commodity anti-theft equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749709U true CN205749709U (en) | 2016-11-30 |
Family
ID=57370034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620405923.XU Expired - Fee Related CN205749709U (en) | 2016-05-06 | 2016-05-06 | Handheld specialized detector for radio frequency commodity anti-theft equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749709U (en) |
-
2016
- 2016-05-06 CN CN201620405923.XU patent/CN205749709U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180523 Address after: 200438 room B7-702, Bay Valley Science and Technology Park 1688, Guo Quan Bei Road, Yangpu District, Shanghai. Patentee after: Shanghai Chengdu Huayitejia Electronics Co.,Ltd. Address before: 518109 Shenzhen, Guangdong, Baoan District, Longhua, 1 new buildings in big wave spring Xinyuan Industrial Zone Patentee before: SHENZHEN RONGHUA ELECTRONIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |