CN215810495U

CN215810495U - Portable ignition sensitivity testing device

Info

Publication number: CN215810495U
Application number: CN202120648592.3U
Authority: CN
Inventors: 徐海芳; 薛楠; 俞周超; 蔡海啸; 赵先锋; 张永刚
Original assignee: Wuxi Shengjing Microelectronics Co ltd
Current assignee: Wuxi Shengjing Microelectronics Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2022-02-11
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a portable ignition sensitivity inspection device which comprises an ignition test box and a handheld clamp, wherein the ignition test box and the handheld clamp are connected through a test line, the handheld clamp is used for clamping an ignition element and transmitting voltage for the ignition element, and the problem that the ignition element is inconvenient to clamp when a lifting method is carried out in the past is solved. The device is internally provided with two test modes, and the corresponding modes can be switched according to specific modules, so that the test is convenient. The current induction design is adopted inside, the current state in the current transformer induction test wire ensures the reliability of connection of the ignition element, in addition, the design of a simulated detonator ignition circuit and the anti-static design are adopted, the ignition loop of a real detonator can be simulated, the output voltage precision is high, and the adjustable power supply voltage error of the tail end voltage of the handheld clamp can be ensured within the range of 0.5V.

Description

Portable ignition sensitivity testing device

Technical Field

The utility model belongs to the field of detonator ignition sensitivity inspection devices, and particularly relates to a portable electronic detonator ignition voltage inspection device.

Background

With the development of engineering blasting technology, the requirement of blasting engineering is higher and higher, and the application of the electronic detonator in the blasting process is more and more common. Because the production technology and the manufacturing material of modern electronic detonators are different, and the environments of blasting sites are different, so that the detonation work has great uncertain factors and the possibility of various dangerous accidents, in the blasting process, the normal detonation of the detonators is the key of safe production, the detonation reliability is directly related to the success or failure and the safety of blasting engineering, and whether the ignition explosive head can be reliably combusted directly determines the ignition performance of the electronic detonators, so that the ignition sensitivity of the ignition explosive head can be accurately determined, the ignition rate of the detonators can be ensured, and the ignition sensitivity inspection device which is convenient to carry, simple to operate and accurate in detection is necessary.

Disclosure of Invention

The utility model aims to overcome the defects of the conventional electronic detonator ignition sensitivity detection equipment, and provides a portable ignition sensitivity detection device which can quickly and accurately test the ignition sensitivity of a explosive head, so that the safety and the accuracy of later-stage electronic detonator use are ensured.

The utility model provides a device for testing the ignition sensitivity of an ignition explosive head, which comprises an ignition test box and a handheld clamp, wherein the ignition test box and the handheld clamp are connected through a test wire, and voltage is transmitted to an ignition element through the test wire.

The ignition test box is of a box body structure, a test button, a knob switch, a voltage output switch, a mode adjusting switch and a current indicator lamp are distributed on a panel of the box body, and a battery, a main control board and an adjustable power supply are mainly arranged in the box body.

Furthermore, the test button is a firing switch and is used for controlling the start of the test, and the firing box outputs voltage to the firing element after the firing switch is turned on.

Further, the knob switch is used for adjusting the stepping of the voltage and the size of the voltage.

Further, the voltage output switch is used for controlling the state of the voltage output of the ignition box.

Furthermore, the mode adjusting switch is used for selecting a capacitance mode, so that different types of electronic delay modules are correspondingly matched.

Furthermore, the current indicator light is used for detecting whether the ignition element is well clamped or not, the light is turned on during testing to prove that the ignition element is reliable in contact, and the light is not turned on during testing to prove that the ignition element is not well clamped.

Furthermore, the main function module of the internal main control board comprises a power supply module, an ignition circuit module and a current induction module, wherein the power supply module is used for providing all peripheral chip voltages, the ignition circuit module is used for charging and discharging a capacitor, and the current induction module is used for collecting the current inside the test line.

Further, the adjustable power supply is used for adjusting the voltage of the ignition circuit.

Handheld clamp is used for joint firing element, for firing element transmission voltage, its structure mainly includes handheld double-layered protective sheath, handheld double-layered shell, the probe, handheld double-layered inner shell, elastic element, handheld double-layered keysets, spring button, draw-in groove, the inconvenient phenomenon of joint firing plate when having solved the lift method in the past.

Further, the keysets is used for connecting test line and probe, plays the fixed action, has avoided the probe directly to insert the not firm problem of unevenness on the casing, has solved the problem of the probe short circuit that causes when test line and probe welding simultaneously.

Furthermore, the probe can ensure that a large current passes through the probe during testing, and the influence of the large current generated by the ignition box during testing on the ignition box is avoided.

Furthermore, the spring button is located handheld both sides of pressing from both sides, and the pulling button can place the draw-in groove with the board that fires.

Furthermore, the ignition test box is provided with a battery, can be separated from a power supply for a long time, and is convenient for the test process.

The ignition sensitivity inspection device provided by the utility model has the specific working process that: the ignition element is placed in a clamping groove of the test clamp, a capacitance mode is correspondingly selected according to the type of the electronic delay module, a power supply knob switch is adjusted to a proper voltage to charge a capacitor in a circuit, after a test button is pressed down, the switch is switched to a pin wire end, the circuit of the ignition element is conducted, a current indicator lamp is lightened, the capacitor starts to discharge, and instantaneous voltage is provided for the ignition element through the test clamp, so that the ignition resistor or an ignition bridge wire generates heat, and a medicine head is ignited.

The utility model has the advantages of

The portable ignition sensitivity inspection device provided by the utility model has a capacitance selection mode, can automatically switch corresponding modes according to specific electronic detonator modules, is convenient for testing, adopts a current induction design in the device, can judge the reliability of the connection of ignition elements, adopts a mature detonator ignition circuit design in a company, can simulate an ignition loop of a real detonator, has high output voltage precision, and can ensure that the voltage error of a voltage-adjustable power supply at the tail end of a handheld clamp is within 0.5V.

Drawings

FIG. 1 is a block diagram of the overall composition of the portable ignition test box of the present invention;

FIGS. 2 and 3 are structural diagrams of the ignition test box of the present invention;

FIG. 4 is a diagram of the structure of the ignition test clip of the present invention;

FIG. 5 is a flow chart of the operation of the inspection apparatus of the present invention.

Detailed Description

For the purpose of making the present invention more apparent, the following detailed description of the embodiments of the present invention is provided by way of specific examples and with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

A portable ignition sensitivity inspection device comprises an ignition test box and a handheld clamp, wherein the ignition test box and the handheld clamp are connected through a test line, voltage is transmitted to an ignition element through the test line, and the specific connection structure is shown in the attached drawing 1. The ignition test box is of a box body structure, the specific structure is as shown in the attached figures 2 and 3, a test button (111), a knob switch (112), a voltage display screen (113), a mode adjusting switch (114) and a current indicator lamp (115) are distributed on a front panel of the box body, a charging port (116) and a power switch (117) are arranged on a side panel, and a battery (118), a main control panel (119) and an adjustable power supply (120) are mainly arranged inside the box body. Test button (111) are the switch that fires for the start of control test, the box that fires after opening is output voltage to the component that fires promptly, knob switch (112) are used for the step-by-step of regulating voltage and the size of voltage, mode adjustment switch (114) are used for the selection of electric capacity mode to this corresponds the electronic delay module of different kinds of matching, current indicator lamp (115) are used for detecting whether the joint of the component that fires is good, and the light proves that the component that fires contacts reliably during the test, and the light does not light the demonstration during the test and does not block well. The internal main control board (119) mainly comprises a power supply module, an ignition circuit module and a current induction module, wherein the power supply module is used for providing all peripheral chip voltages, the ignition circuit module is used for charging and discharging capacitors, the current induction module is used for collecting current inside a test line, and the adjustable power supply (120) is used for adjusting the voltage of the ignition circuit.

Handheld clamp is used for joint firing element, for firing element transmission voltage, concrete structure is as shown in figure 3, mainly includes handheld double-layered protective sheath (21), handheld double-layered shell (22), probe (23), handheld double-layered inner shell (24), spring (25), handheld double-layered keysets (26), draw-in groove (27), the inconvenient phenomenon of joint firing plate when having solved the lift method in the past. Handheld clamp protective sheath (21) can be protected handheld clamp not corroded by the medicament to it is convenient to change, handheld clamp keysets (26) are used for testing the connection of line and probe (23), play the fixed action, can avoid probe (23) directly to insert the unevenness that causes on the casing and the problem that does not lean on, but solve the problem that causes the probe short circuit when testable line and probe (23) weld simultaneously, in addition probe (23) can guarantee to pass through the heavy current when testing, avoids the heavy current that the box that fires produced when testing to produce the influence to it.

The specific working flow of the ignition sensitivity inspection device is shown in fig. 4, an ignition test box power switch (117) is turned on, a corresponding capacitance mode is selected according to a test element, the ignition element is placed in a clamping groove (27) of a handheld clamp, a power knob switch (112) is adjusted to a proper voltage to charge a capacitor in a circuit, after a test button (111) is pressed, the switch is switched to a pin wire end, an ignition element circuit is conducted, a current indicator lamp is on, the capacitor starts to discharge at the same time, instantaneous voltage is provided for the ignition element through the test clamp, an ignition resistor or an ignition bridge wire is heated, a medicine head is ignited, and the ignition voltage is displayed on a voltage display screen (113).

This embodiment ignition sensitivity verifying attachment adopts the current induction design, passes current transformer with the test wire, when igniteing, current transformer will sense the electric current in the test wire to can judge whether the component connection of starting a fire is reliable, adopt the ripe circuit design of igniting of the inside detonator of company, simulate the return circuit of igniting of real detonator, can guarantee that handheld terminal voltage adjustable power shows voltage error at 0.5V within range, this device is inside to have two kinds of test modes simultaneously, can switch corresponding mode according to concrete module, made things convenient for the experiment.

The foregoing description of the specific exemplary embodiments of the utility model has been presented for the purposes of illustration and description and is not intended to limit the utility model to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. 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 application.

Claims

1. The utility model provides a portable ignition sensitivity verifying attachment, its characterized in that, includes the test box that fires and handheld the clamp, and both connect through the test wire, the test box that fires is the box structure, and the box panel distribution has test button, rotary switch, voltage output switch, mode adjustment switch, current indicator, and the box is inside mainly includes battery, main control board and adjustable power.

2. The portable ignition sensitivity inspection device of claim 1, wherein the mode adjustment switch is used for selecting a capacitive mode, thereby correspondingly matching different types of electronic delay modules.

3. The portable ignition sensitivity inspection device of claim 1, wherein the main functional modules of the internal main control board comprise a power supply module, an ignition circuit module and a current induction module.

4. The portable ignition sensitivity inspection device of claim 3, wherein the ignition circuit module adopts a mature ignition circuit design inside the detonator, and can simulate the ignition circuit of a real detonator.

5. The portable ignition sensitivity inspection device of claim 1, wherein the hand-held clamp is used for clamping the ignition element and transmitting voltage for the ignition element, and the structure of the portable ignition sensitivity inspection device mainly comprises a protective sleeve, an outer shell, a probe, an inner shell, an elastic element, an adapter plate and a spring button, so that the inconvenience of clamping the ignition element during the conventional lifting method is solved.

6. The portable ignition sensitivity inspection device of claim 5, wherein the hand-held clamp housing is provided with a clamping groove structure for clamping the ignition element to transmit voltage to the ignition element.

7. The portable ignition sensitivity inspection device of claim 5, wherein the probe can pass a large current and is prevented from being affected by the large current.

8. The portable ignition sensitivity inspection device of claim 5, wherein the adapter plate is connected with the test wire and the probe, so that the problem that the probe is not flat and firm when being directly inserted into the housing can be solved, and the problem that the probe is easy to short circuit when the test wire and the probe are welded can be solved.