阅读说明：本技术 一种手持金属探测器加装远程监控报警电路 (Handheld metal detector installs remote monitoring alarm circuit additional ) 是由 刘传刚 于 2019-08-31 设计创作，主要内容包括：一种手持金属探测器加装远程监控报警电路,属于金属探测器技术领域,传统的手持金属探测器必须通过人为近距离控制,才能完成监控检测过程,其运用范围收到大幅度的影响,使得其不能在特殊条件下进行监控检测工作,人员无法得到保证,限制了其运用的进一步发展。本发明通过对手持金属探测器加装远程监控报警装置,解决了先用的手持金属探测器必须通过人为近距离控制,才能完成监控检测工作。(The utility model provides a handheld metal detector installs remote monitoring alarm circuit additional, belongs to metal detector technical field, and traditional handheld metal detector must pass through artificial closely control, just can accomplish the control testing process, and its application scope receives influence by a wide margin for it can not monitor detection achievement under special conditions, and personnel can't obtain guaranteeing, have restricted the further development of its application. The invention solves the problem that the prior handheld metal detector can only complete monitoring and detection work by manual close-range control by additionally arranging the remote monitoring and alarming device on the handheld metal detector.)

1. A handheld metal detector is installed remote monitoring alarm circuit additional, includes: the LED lamp comprises L1, an input end of N1, a transformer T1, rectifiers D1-D4, a capacitor C1, a relay J1, a triode Q1, a resistor R1, a diode D5, a capacitor C2, a resistor R2, a triode Q2, a triode Q3, a triode Q4, a relay J2, an LED blue lamp, a relay normally closed contact J1-1, a relay normally closed contact J1-2, a relay normally closed contact J2-1, an LED red lamp, a resistor R3 and a handheld metal detector;

Wherein, the transformer T1 is connected with the end L1 and the end N1 of the AC power supply, the transformer is connected to the rectifiers D1-D4, the rectifiers D1-D4 are connected to one end of the capacitor C1 and the positive electrode end of the hand-held metal detector, the other end of the capacitor C1 is grounded, one end of the relay J1 is connected to the power supply end, the other end of the relay J1 is connected to the collector of the triode Q1, the emitter of the triode Q1 is grounded, the base is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the collector of the triode Q2 and the positive electrode of the diode D5, the collector of the triode Q2 is connected to the power supply end, the other end of the diode D5 is connected to one end of the capacitor C5 and one end of the resistor R5, the other end of the capacitor C5 is grounded, the other end of the resistor R5 is connected to the base of the triode Q, the emitting electrode of the triode Q4 is connected to one end of a normally closed relay contact J2-1 and one end of a normally closed relay contact J1-2, the other end of the relay J1-2 is connected to one end of a switch, the other end of the switch is connected to one end of a normally closed relay contact J1-1, the other end of the relay J1-1 is connected to one end of an LED blue lamp, the other end of the LED blue lamp is connected to a power supply end, the other end of the relay J2-1 is connected to one end of an LED red lamp, the other end of the LED red lamp is connected to the power supply end, a collector of the triode Q3 is connected to a base electrode of a triode Q2, a base electrode of a triode Q3 is connected to one end of a resistor R3, the other end of a resistor R3.

2. The hand-held metal detector plus remote monitoring alarm circuit of claim 1, wherein: the metal detector judges the on-off and detection of the metal detector through the LED blue light and the LED red light, and is provided with a remote control alarm device.

3. The hand-held metal detector plus remote monitoring alarm circuit of claim 1, wherein: the metal detector alarm device has continuous and uninterrupted signal input and output.

4. The hand-held metal detector plus remote monitoring alarm circuit of claim 1, wherein: the A end of the technical detector signal output is respectively connected with a triode Q2 and a triode Q3, and the triode Q2 is a driving switch of the triode Q3.

5. the hand-held metal detector plus remote monitoring alarm circuit of claim 1, wherein: the capacitor C2 supplies power to the triode Q4 after discharging.

Technical Field

The invention relates to the technical field of metal detectors, in particular to a handheld metal detector additionally provided with a remote monitoring alarm circuit.

Background

The handheld metal detector is one of metal detectors, and is named after the method used by the handheld metal detector is handheld, so that the handheld metal detector is used for a series of safety measures such as factory anti-theft, market security check, examination hall cheating and the like, and is more accurate.

The existing handheld metal detector can only complete the monitoring and detection process through manual close-range control, and the application range of the existing handheld metal detector is greatly influenced, so that the existing handheld metal detector cannot work under special conditions, personnel cannot be guaranteed, and further development of application of the existing handheld metal detector is limited.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the handheld metal detector with the remote monitoring alarm circuit, and effectively solves the problem of artificial close-range monitoring detection.

A handheld metal detector is installed remote monitoring alarm circuit additional, includes: the LED lamp comprises L1, an input end of N1, a transformer T1, rectifiers D1-D4, a capacitor C1, a relay J1, a triode Q1, a resistor R1, a diode D5, a capacitor C2, a resistor R2, a triode Q2, a triode Q3, a triode Q4, a relay J2, an LED blue lamp, a relay normally closed contact J1-1, a relay normally closed contact J1-2, a relay normally closed contact J2-1, an LED red lamp, a resistor R3 and a handheld metal detector;

Wherein, the transformer T1 is connected with the end L1 and the end N1 of the AC power supply, the transformer is connected to the rectifiers D1-D4, the rectifiers D1-D4 are connected to one end of the capacitor C1 and the positive electrode end of the hand-held metal detector, the other end of the capacitor C1 is grounded, one end of the relay J1 is connected to the power supply end, the other end of the relay J1 is connected to the collector of the triode Q1, the emitter of the triode Q1 is grounded, the base is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the collector of the triode Q2 and the positive electrode of the diode D5, the collector of the triode Q2 is connected to the power supply end, the other end of the diode D5 is connected to one end of the capacitor C5 and one end of the resistor R5, the other end of the capacitor C5 is grounded, the other end of the resistor R5 is connected to the base of the triode Q, the emitting electrode of the triode Q4 is connected to one end of a normally closed relay contact J2-1 and one end of a normally closed relay contact J1-2, the other end of the relay J1-2 is connected to one end of a switch, the other end of the switch is connected to one end of a normally closed relay contact J1-1, the other end of the relay J1-1 is connected to one end of an LED blue lamp, the other end of the LED blue lamp is connected to a power supply end, the other end of the relay J2-1 is connected to one end of an LED red lamp, the other end of the LED red lamp is connected to the power supply end, a collector of the triode Q3 is connected to a base electrode of a triode Q2, a base electrode of a triode Q3 is connected to one end of a resistor R3, the other end of a resistor R3.

Specifically, the metal detector judges the switching and detection of the metal detector through the LED blue light and the LED red light, and is provided with a remote control alarm device.

specifically, the metal detector alarm device has continuous and uninterrupted signal input and output.

Specifically, the a end of the technical detector signal output is respectively connected with a transistor Q2 and a transistor Q3, and the transistor Q2 is a driving switch of the transistor Q3.

Specifically, the capacitor C2 discharges to supply power to the transistor Q4.

compared with the prior art, the invention has the beneficial effects that: the invention changes the circuit structure of the traditional handheld detector, and is additionally provided with the LED blue light and the LED red light to judge the working state of the handheld metal detector, so that the monitoring and detection work can be carried out remotely, and the problem that the monitoring and detection process can be finished only by manually controlling the handheld metal detector at a short distance is solved.

Drawings

FIG. 1 is a schematic diagram of a structure of a handheld metal detector with a remote monitoring alarm circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.