CN201340446Y

CN201340446Y - Handheld vehicle station performance index detection device

Info

Publication number: CN201340446Y
Application number: CNU2009200833575U
Authority: CN
Inventors: 吴成海; 甘欣辉
Original assignee: 63963 TROOPS PLA
Current assignee: 63963 TROOPS PLA
Priority date: 2009-01-13
Filing date: 2009-01-13
Publication date: 2009-11-04
Anticipated expiration: 2019-01-13

Abstract

The utility model provides a handheld vehicle station performance index detection device which comprises a circuit modular part, a shell body, a panel, a keyboard and a hand belt. A remote control interface, a charging interface, an audio interface, a radio frequency interface and an antenna interface are sequentially arranged on the top part of the shell body from left to right; the panel and keyboard are arranged on the front surface of the shell body; the circuit modular part and the hand belt are arranged in the shell body to construct a whole. The utility model adopts embedded operation system based on top-down integral design concept, develops modular structure design to reasonable distribute performance index of each unit, determines interface standards and integrates expansion signal processing technology to realize host computer connection, automatic display, random reading and storing of detection data. The handheld vehicle station performance index detection device has the advantages of good man-machine interface, Chinese color display, convenient operation, high detection accuracy, low power consumption, high reliability, light weight and small volume.

Description

Hand-held vehicle radio station performance index pick-up unit

Technical field

The utility model relates to a kind of radio station performance index pick-up unit, particularly a kind of hand-held vehicle radio station performance index pick-up unit.

Background technology

Nowadays, vehicle radio station (also comprising boat-carrying, airborne station) is widely used, yet to the detection of its performance index, generally need ten surplus kind of multimeter just can finish, or utilizing radio comprehensive measurement instrument to add the special test interfacing equipment is achieved.But, which kind of means of testing no matter, not only equipment many, take up room greatly, and complicated operation, degree of accuracy are low, have problems, have to be solved.

Summary of the invention

The purpose of this utility model just is to overcome the deficiency of above-mentioned prior art, and a kind of simple in structure, easy to operate hand-held vehicle radio station performance index pick-up unit is provided.

In order to achieve the above object, the technical solution adopted in the utility model is:

A kind of hand-held vehicle radio station performance index pick-up unit comprises: circuit module, housing, panel, keyboard and hand band.It is characterized in that:

Described housing, its top is disposed with Remote Control Interface, charging inlet, audio interface, radio frequency interface and antennal interface from left to right, its front is provided with panel and keyboard, its inside is provided with circuit module, together with the hand band that is provided with between its left end top and bottom, combining constitutes an integral body.

The utility model is based on the top-down whole design idea, adopt embedded OS, carry out the modular construction design, each unit performance index of reasonable distribution, clear and definite interface standard, interpolation spread signal treatment technology, under the unified control of microprocessor, utilize high-speed a/d to carry out real time sample, can realize that host computer connects, automatically show, read and store the detection data at any time.Have the man-machine interface close friend, fully Chinesizing colored show, easy to operate, accuracy of detection is high, low in energy consumption, reliability is high, can keep in repair, in light weight, characteristics such as volume is little, is a kind of desirable hand-held pick-up unit.

Description of drawings

Fig. 1 is the utility model one-piece construction synoptic diagram.

Fig. 2 is the whole electric theory diagram of the utility model.

Fig. 3 is the utility model channel unit electrical schematic diagram.

Fig. 4 closes the unit electrical schematic diagram frequently for the utility model.

Fig. 5 is the utility model detecting unit electrical schematic diagram.

Fig. 6 shows control unit electrical schematic diagram for the utility model.

Symbol description among the figure:

1 is circuit module, and 2 is housing, and 3 is panel, and 4 is keyboard, and 5 is the hand band;

1.1 be channel unit, 1.2 for frequently closing the unit, 1.3 is detecting unit, and 1.4 for showing the control unit;

2.1 be Remote Control Interface, 2.2 is charging inlet, 2.3 is audio interface, and 2.4 is radio frequency interface, and 2.5 is antennal interface;

3.1 be charging indicator light, 3.2 is power switch, 3.3 protect frame for display;

1.1.1 be programmable attenuator, 1.1.2 is a wide-band coupler, 1.1.3 is an attenuator, and 1.1.4 is a frequency divider, and 1.1.5 is a logarithmic detector;

1.2.1 be frequency synthesizer, 1.2.2 is the fixed ampllitude filter amplifier, 1.2.3 is a frequency mixer, and 1.2.4 is a wave filter, and 1.2.5 is a totalizer, and 1.2.6 is serial/parallel transducer, and 1.2.7 is an amplitude controller, and 1.2.8 is for driving the output impedance selector switch;

1.3.1 be range converter, 1.3.2 is a power detector, 1.3.3 is the radio frequency shaping amplifier, 1.3.4 be frequency detector, 1.3.5 be the remote control logical circuit, 1.3.6 is an impedance transformer, 1.3.7 is a detuner, 1.3.8 for measuring transducer, 1.3.9 for notch amplifies isolator, 1.3.10 is that isolator is amplified in filtering, 1.3.11 is the high-speed a/d transducer, 1.3.12 be the audio detection device, 1.3.13 is a voltage-level detector;

1.4.1 be display, 1.4.2 is a microprocessor, 1.4.3 is a logic controller, and 1.4.4 is the complete machine interface bus, and 1.4.5 is a bus driver, and 1.4.6 is the FLASH circuit, and 1.4.7 is the SDRAM storer.

Embodiment

See also Fig. 1～Fig. 6, be the utility model specific embodiment.

As can be seen from Figure 1: the utility model comprises: circuit module 1, housing 2, panel 3, keyboard 4 and hand band 5, and, described housing 2, its top are disposed with Remote Control Interface 2.1, charging inlet 2.2, audio interface 2.3, radio frequency interface 2.4 and antennal interface 2.5 from left to right; Its front is provided with panel 3 and keyboard 4; Its inside is provided with circuit module 1; Together with the hand band 5 that is provided with between its left end top and bottom, combining constitutes an integral body.

From Fig. 1 and Fig. 2 as can be seen: described circuit module 1, include channel unit 1.1, frequently close unit 1.2, detecting unit 1.3 and show control unit 1.4, each unit respectively is 1 independently printed circuit board, i.e. totally 4 independent printed circuit boards, and 4 independent circuits plates constitute laminated structure with screw rod and nut, and are connected with bus between the circuit.

As can be seen from Figure 3: channel unit 1.1 includes programmable attenuator 1.1.1 again, wide-band coupler 1.1.2, attenuator 1.1.3, frequency divider 1.1.4 and logarithmic detector 1.1.5.Channel unit 1.1 inserts the radio frequency interface 2.4 in tested radio station, has single-ended duplex nature.

When the radio station is operated in the receiver detected state, carries out to show and control the order that unit 1.4 is sent, at this moment channel switch K ₁Place outgoing position, in the future the self-frequency radiofrequency signal of closing unit 1.2 detects requirement and decays and export by receiving.When the radio station is operated in the transmitter detected state, carries out to show and control the order that unit 1.4 is sent, at this moment channel switch K ₁Place input position, receive high-power input signal, be divided into two paths of signals again through wide-band coupler 1.1.2, the one road flows into logarithmic detector 1.1.5, to realize the complete machine power detection; Another road is through switch K ₂Send into follow-up frequency divider 1.1.4 respectively or directly through switch K ₃Send into detecting unit 1.3.

As can be seen from Figure 4: frequently close unit 1.2 and include frequency synthesizer 1.2.1 again, fixed ampllitude filter amplifier 1.2.2, frequency mixer 1.2.3, wave filter 1.2.4, totalizer 1.2.5, serial/parallel transducer 1.2.6, amplitude controller 1.2.7 and driving output impedance selector switch 1.2.8.

Frequently the frequency synthesizer 1.2.1 that closes in the unit 1.2 produces radiofrequency signal and sound signal, use when wherein radiofrequency signal at first enters and exports channel unit 1.1 to after fixed ampllitude filter amplifier 1.2.2 handles and detect for receiver.

Frequently close sound signal in the unit 1.2 through totalizer 1.2.5 and amplitude controller 1.2.7 and drive use when exporting channel unit 1.1 to after output impedance selector switch 1.2.8 handles and detecting for transmitter.In addition, carrying out transmitter when detecting, entering frequency mixer 1.2.3 from the measured signal of channel unit 1.1 with the local oscillation signal that comes self-frequency to close unit 1.2 and carry out mixing, producing fixing intermediate-freuqncy signal, for 1.3 uses of subsequent detection unit.

As can be seen from Figure 5: detecting unit 1.3 includes range converter 1.3.1 again, power detector 1.3.2, radio frequency shaping amplifier 1.3.3, frequency detector 1.3.4, remote control logical circuit 1.3.5, impedance transformer 1.3.6, detuner 1.3.7, measure transducer 1.3.8, notch amplifies isolator 1.3.9, and isolator 1.3.10, high-speed a/d transducer 1.3.11 are amplified in filtering, audio detection device 1.3.12, voltage-level detector 1.3.13.

Detection and radiofrequency signal that detecting unit 1.3 receives from channel unit 1.1 realize the detection to radio station power and frequency respectively; Detecting unit 1.3 also receive come that self-frequency closes unit 1.2 separate the mediation sound signal, realize detection respectively to radio station modulating frequency, frequency modulation, sensitivity and input audio frequency, level.

As can be seen from Figure 6: show control unit 1.4 and include LCD display 1.4.1 again, CPU microprocessor 1.4.2, LOG logic controller 1.4.3, complete machine interface bus 1.4.4, bus driver 1.4.5, FLASH circuit 1.4.6, SDRAM storer 1.4.7.

Show control unit 1.4 realize the demonstration of complete machines, control, keyboard input, with peripheral communication, power management, in time finish functions such as each CALCULATION OF PARAMETERS, data calibration, data and parameter storage.

In addition, keyboard 4 is provided with two rows altogether for the combination soft-touch control, and each 6 from top to bottom of every rows are nested in respectively that display protects in the set little oblong aperture in frame 3.3 both sides in the panel 3, and alternating interface between man and computer is provided.Protect frame 3.3 and be disposed with charging indicator light 3.1, power switch 3.2, display on the panel 3 from left to right.And the display that keyboard 4 and display 1.4.1 are installed on apparent control unit 1.4 independent printed circuit board reverse side and the panel 3 protects 3.3 corresponding positions of frame.

Above embodiment only is explanation technical characterictic of the present utility model and exploitativeness, and its purpose is to make the person skilled in art can understand content of the present utility model and tool to implement.Thus, all conversion and modifications of making according to design of the present utility model include in claim scope of the present utility model.

The utility model is the rare practicality, novelty and the progressive that have detection vehicle radio station performance index, meets the utility application requirement fully, so file an application according to Patent Law.

Claims

1, hand-held vehicle radio station performance index pick-up unit comprises: circuit module (1), housing (2), panel (3), keyboard (4) and hand band (5) is characterized in that:

Described housing (2), its top are disposed with Remote Control Interface (2.1), charging inlet (2.2), audio interface (2.3), radio frequency interface (2.4) and antennal interface (2.5) from left to right; Its front is provided with panel (3) and keyboard (4); Its inside is provided with circuit module (1); Together with the hand band (5) that is provided with between its left end top and bottom, combining constitutes an integral body.

2, hand-held vehicle radio station performance index pick-up unit as claimed in claim 1 is characterized in that:

Described circuit module (1), include channel unit (1.1), frequently close unit (1.2), detecting unit (1.3) and show and control unit (1.4), each unit respectively is 1 independently printed circuit board, i.e. totally 4 independent printed circuit boards, and 4 independent circuits plates constitute laminated structure with screw rod and nut, and are connected with bus between the circuit.

3, hand-held vehicle radio station performance index pick-up unit as claimed in claim 1 is characterized in that:

Described keyboard (4) is provided with two rows altogether for the combination soft-touch control, and each 6 from top to bottom of every rows are nested in the middle display of panel (3) respectively and protect in the set little oblong aperture in frame (3.3) both sides.