CN220507862U - Wireless digital electronic detonator with three-wire intrinsic safety - Google Patents
Wireless digital electronic detonator with three-wire intrinsic safety Download PDFInfo
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- CN220507862U CN220507862U CN202321982029.5U CN202321982029U CN220507862U CN 220507862 U CN220507862 U CN 220507862U CN 202321982029 U CN202321982029 U CN 202321982029U CN 220507862 U CN220507862 U CN 220507862U
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- 238000004891 communication Methods 0.000 claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims description 25
- 238000005474 detonation Methods 0.000 claims description 17
- 238000010304 firing Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 7
- 239000003999 initiator Substances 0.000 description 5
- 230000000977 initiatory effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a wireless digital electronic detonator with three-wire intrinsic safety, which comprises: the wireless receiver comprises a power supply, a physical switch and a wireless module, wherein the power supply is connected with one end of the physical switch, the battery is also grounded through a power supply negative line of the ignition module, and the wireless module is connected with the ignition module through a half-duplex single-wire communication line; the wireless receiver is provided with a first boosting module, the other end of the physical switch is connected with the wireless module and the first boosting module, and the first boosting module is connected with the ignition module through an ignition module power supply positive electrode wire; or the wireless receiver is provided with a DC-DC circuit, the ignition module is provided with a second boosting module, the other end of the physical switch is connected with the wireless module and one end of the DC-DC circuit, and the other end of the DC-DC circuit is connected with the boosting module through an ignition module power supply positive electrode wire. Compared with the prior art, the utility model improves the safety of the wireless digital electronic detonator.
Description
Technical Field
The utility model relates to the technical field of electronic detonators, in particular to a wireless digital electronic detonator with three-wire intrinsic safety.
Background
The electronic detonator is also called as a digital electronic detonator, a digital detonator or an industrial digital electronic detonator, namely an electronic detonator which adopts an electronic control module to control the detonation process. The electronic detonator priming system consists essentially of three parts: namely detonators, encoders and detonators. The electronic control module is a special circuit module which is arranged in the electronic detonator, has the functions of detonator initiation delay time control and initiation energy control, is internally provided with detonator identity information codes and initiation passwords, can test self functions and performances and the electrical performance of a detonator ignition element, and can communicate with an initiation controller and other external control equipment. Compared with the traditional industrial detonator, the electronic detonator has incomparable safety and management and control functions, has high safety coefficient, convenient management link and low social hazard coefficient, can realize the closed management of initiating explosive devices, and is more suitable for the development trend of the current blasting industry.
The existing wired digital electronic detonator has some defects, such as complex implementation, need to clamp the leg wire and pull the bus, and have no need to go on carrying capacity.
Some wireless digital electronic detonator batteries are too close to the ignition module, and when the wireless digital electronic detonator batteries are smaller than a few meters, premature explosion can occur during battery insertion, and personnel and economic losses can be caused.
The wireless digital electronic detonator must be supported by a battery, which leads to the danger that the battery is put into practice after the final powder is put into place, and if the detonator is abnormally pre-exploded during battery putting, the consequences are not considered.
Disclosure of Invention
The utility model mainly aims to provide a wireless digital electronic detonator with three-wire intrinsic safety, which aims to improve the safety of the wireless digital electronic detonator.
In order to achieve the above object, the present utility model provides a wireless digital electronic detonator with three-wire intrinsic safety, comprising: the wireless receiver comprises a power supply, a physical switch and a wireless module, wherein the power supply is connected with one end of the physical switch, the battery is also grounded through a power supply negative line of the ignition module, and the wireless module is connected with the ignition module through a half-duplex single-wire communication line;
the wireless receiver is provided with a first boosting module, the other end of the physical switch is connected with the wireless module and the first boosting module, and the first boosting module is connected with the ignition module through an ignition module power supply positive electrode wire;
or the wireless receiver is provided with a DC-DC circuit, the ignition module is provided with a second boost module, the other end of the physical switch is connected with the wireless module and one end of the DC-DC circuit, and the other end of the DC-DC circuit is connected with the boost module through an ignition module power supply positive electrode wire.
According to a further technical scheme, the wireless receiver further comprises an ADC battery voltage detection circuit connected between the physical switch and the wireless module.
The utility model further provides a working indicator lamp connected with the wireless module.
According to a further technical scheme, the number of the work indicator lamps is two.
The further technical scheme of the utility model is that the ignition module comprises a diode, a working capacitor, a low-power consumption control processor, a charging control circuit, a detonation control circuit, a discharge control circuit, a detonation capacitor, an ignition element and a discharge resistor;
the cathode of the diode is connected with one end of the working capacitor and the first input end of the low-power-consumption control processor, the other end of the working capacitor is grounded, the second input end of the low-power-consumption control processor is connected with the wireless module through the half-duplex single-wire communication line, the first output end of the low-power-consumption control processor is connected with the anode of the diode, one end of the detonation capacitor, one end of the firing element and one end of the discharge resistor through the charge control circuit, the second output end of the low-power-consumption control processor is connected with the other end of the firing element through the detonation control circuit, and the third output end of the low-power-consumption control processor is connected with the other end of the discharge resistor through the discharge control circuit;
the anode of the diode is connected with the first boosting module through the power supply positive line;
or, the anode of the diode is connected with the DC-DC circuit through the power supply positive line and is connected with the boosting module, and the boosting module is also connected with the low-power consumption control processor.
According to a further technical scheme, the ignition module further comprises an LDO voltage reduction circuit, and the LDO voltage reduction circuit is connected in series between the cathode of the diode and the first input end of the low-power consumption control processor.
The wireless digital electronic detonator with three-wire intrinsic safety has the beneficial effects that:
according to the technical scheme, the physical switch is added on the basis of the wireless electronic control switch, so that the battery is powered on, the whole system does not work, the ignition module does not work after the physical switch is turned on, the bus power supply is turned on only after constructors are far away, the ignition module is powered on in a wireless control mode, at the moment, the ignition capacitor is not powered on, and the ignition module can ignite only when the ignition capacitor is used for confirming a password and registering, and under various conditions of time delay, the ignition command is received. The utility model effectively solves the problems of battery installation and construction safety of the wireless detonator, and also solves the problem of loss of wireless signals from underground to ground and the problem of delay after power supply is cut off.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a preferred embodiment of a wireless digital electronic detonator with three-wire intrinsic safety according to the present utility model;
FIG. 2 is a block diagram of another embodiment of a preferred example of a three-wire intrinsically-safe wireless digital electronic detonator of the present utility model;
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the present utility model provides a three-wire intrinsically safe wireless digital electronic detonator, and a preferred embodiment of the three-wire intrinsically safe wireless digital electronic detonator includes a wireless receiver and an ignition module, wherein the wireless receiver includes a power source, a physical switch and a wireless module, the power source is connected with one end of the physical switch, the battery is further grounded through an ignition module power supply negative line, and the wireless module is connected with the ignition module through a half-duplex single-wire communication line
In this embodiment, the wireless receiver is provided with a first boost module, the other end of the physical switch is connected to the wireless module and the first boost module, and the first boost module is connected to the ignition module through an ignition module power supply positive line.
Or, as another implementation manner, in this embodiment, the wireless receiver is provided with a DC-DC circuit, the ignition module is provided with a second boost module, the other end of the physical switch is connected to the wireless module and one end of the DC-DC circuit, and the other end of the DC-DC circuit is connected to the boost module through an ignition module power supply positive line.
When the wireless receiver is in operation, the wireless receiver is arranged on the ground, the ignition module is arranged underground, so that the receiving and transmitting performances of the wireless receiver can be optimized, the problem that the ignition module loses huge signals from 3 meters to 30 meters underground to the ground can be effectively solved, and the wireless signals are not required to be led to the ground from the underground.
During transportation and production, the power supply, the ignition module and the wireless receiver are transported and stored separately, and the power supply is installed on site during construction. According to the embodiment, the physical switch is added on the basis of the remote wireless control switch in the prior art, so that the problem of premature explosion caused by the installation of the power supply can be effectively solved, the safety is improved, the construction efficiency can be improved, the power supply can be installed by multiple persons at first during working, and finally, the physical switch is turned on by one person.
The power supply provides power for the whole three-wire intrinsically safe wireless digital electronic detonator, and can be a lithium battery, or can be of other types, such as a button battery, a No. 5 battery, a No. 7 battery or a 18650 battery.
The wireless module has the main function of receiving instructions sent by the wireless initiator or relay to the module.
As an implementation manner, the first boost module is arranged on the wireless module, after the safety physical switch is turned on, the wireless module supplies power to start working, and at the moment, three buses (namely the ignition module power supply negative line, the ignition module power supply positive line and the half-duplex single-wire communication line) connecting the upper part and the lower part are not provided with voltage. Only when a wireless command is received and power supply to the ignition module is required to be started, the wireless module can open the boost enabling switch, then the first boost module can work, meanwhile, the wireless module controls the boost adjusting function to control how much voltage is output by the boost module, and then the ignition module under the ground can work in a power-on mode.
After the physical switch is turned on, the wireless module supplies power, then a command sent by the wireless initiator is received, and after a power supply command for turning on the underground ignition module is received, the wireless module can turn on the power supply. The battery is installed at a short distance during construction of the wireless detonator, and the module is powered on and works only when the module is powered on. With the physical switch, after the primary physical switch is manually turned on, there is a secondary wireless electronically controlled power switch. Thus, when the construction is performed, after the personnel installs the battery and opens the physical switch, the underground module is not powered up. After the constructors are all evacuated to a safe distance, the wireless detonators are used for controlling the electronic switches to be opened to supply power to the underground module. The risk that the wireless detonator is directly electrified by installing the battery to the wireless detonator module during construction is effectively solved.
In this embodiment, the boost voltage adjusting function of the first boost module is not necessary, and a fixed voltage may be used without adjustment.
The first boosting module can effectively solve the problems of voltage drop and impedance caused by too long connecting wires of the upper part and the lower part by increasing the voltage.
It should be noted that, in this embodiment, a three-wire structure is adopted, that is, the ignition module power supply negative wire, the ignition module power supply positive wire and the half-duplex single-wire communication wire, that is, a ground wire, a positive electrode and a half-duplex communication wire. The communication lines are here half duplex mode, effectively reducing one communication line in full duplex mode. The complexity of the wireless receiver and the circuit of the underground ignition module can be effectively reduced by using single-wire communication. The single-wire communication protocol can be a custom protocol or a common bus protocol, such as TTL,485 and 232, which belong to the protection scope of the utility model.
Further, in this embodiment, the wireless receiver further includes an ADC battery voltage detection circuit connected between the physical switch and the wireless module.
In this embodiment, the ADC voltage detection circuit may enable the wireless module to detect the voltage of the power supply, and may return the state to the initiator, so that when the power supply voltage is low, the initiator may prompt the user of the state of charge of the wireless receiver that is continuous with each module on the user interface, and when there is low power, prompt the user in time.
Further, in this embodiment, the wireless module further includes a work indicator light connected to the wireless module.
The number of the working indicator lamps is two so as to represent the working state of the working indicator lamps. Of course, one lamp is not used, or only one working lamp, or more working indicator lamps can be used.
Further, in this embodiment, the ignition module includes a diode, a working capacitor, a low power consumption control processor, a charge control circuit, a detonation control circuit, a discharge control circuit, a detonation capacitor, an ignition element, and a discharge resistor.
The cathode of the diode is connected with one end of the working capacitor and the first input end of the low-power-consumption control processor, the other end of the working capacitor is grounded, the second input end of the low-power-consumption control processor is connected with the wireless module through the half-duplex single-wire communication line, the first output end of the low-power-consumption control processor is connected with the anode of the diode, one end of the detonation capacitor, one end of the firing element and one end of the discharge resistor through the charge control circuit, the second output end of the low-power-consumption control processor is connected with the other end of the firing element through the detonation control circuit, and the third output end of the low-power-consumption control processor is connected with the other end of the discharge resistor through the discharge control circuit.
As an embodiment, the anode of the diode is connected with the first boost module through the power supply positive line;
alternatively, as a further embodiment, the anode of the diode is connected to the DC-DC circuit through the power supply positive line and to the boost module, which is also connected to the low power consumption control processor.
In this embodiment, the working capacitor is a working energy storage capacitor, and the diode can solve the problem that charges on the working capacitor are not reversely output to the wireless receiver. In an actual use environment, when the power supply of the wireless receiver and the ignition module is cut off when the nearby hole explodes, the positive electrode in the three wires is grounded, and if the diode is not arranged, the charge of the working capacitor can leak to the ground through the positive electrode, so that the problem of incapacity of detonating is caused.
The working capacitor is used for normally counting down after receiving a detonation command and cutting off a connecting wire of the wireless receiver and the underground ignition module, and opening a detonation control pin after the detonation command is received.
The low-power consumption control processor sends the command to the low-power consumption control processor through the half-duplex single-wire communication line for processing after the command is received by the wireless receiver, such as setting delay, verifying passwords, executing charging and discharging functions and the like, and returns the command to the wireless receiver through the half-duplex single-wire communication line after the processing is finished, and returns the command to the initiator.
The charge control circuit, the detonation capacitor, the ignition element and the discharge circuit in this embodiment may adopt the prior art scheme, and this embodiment will not be described again.
Further, in this embodiment, the ignition module further includes an LDO voltage step-down circuit, and the LDO voltage step-down circuit is connected in series between the cathode of the diode and the first input terminal of the low power consumption control processor.
The wireless digital electronic detonator with three-wire intrinsic safety has the beneficial effects that:
according to the technical scheme, the physical switch is added on the basis of the wireless electronic control switch, so that the battery is powered on, the whole system does not work, the ignition module does not work after the physical switch is turned on, the bus power supply is turned on only after constructors are far away, the ignition module is powered on in a wireless control mode, at the moment, the ignition capacitor is not powered on, and the ignition module can ignite only when the ignition capacitor is used for confirming a password and registering, and under various conditions of time delay, the ignition command is received. The utility model effectively solves the problems of battery installation and construction safety of the wireless detonator, and also solves the problem of loss of wireless signals from underground to ground and the problem of delay after power supply is cut off.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (6)
1. A three-wire intrinsically safe wireless digital electronic detonator comprising: the wireless receiver comprises a power supply, a physical switch and a wireless module, wherein the power supply is connected with one end of the physical switch, the power supply is further grounded through an ignition module power supply negative line, and the wireless module is connected with the ignition module through a half-duplex single-wire communication line;
the wireless receiver is provided with a first boosting module, the other end of the physical switch is connected with the wireless module and the first boosting module, and the first boosting module is connected with the ignition module through an ignition module power supply positive electrode wire;
or the wireless receiver is provided with a DC-DC circuit, the ignition module is provided with a second boost module, the other end of the physical switch is connected with the wireless module and one end of the DC-DC circuit, and the other end of the DC-DC circuit is connected with the boost module through an ignition module power supply positive electrode wire.
2. The three-wire intrinsically-safe wireless digital electronic detonator of claim 1, wherein the wireless receiver further comprises an ADC battery voltage detection circuit coupled between the physical switch and the wireless module.
3. The three-wire intrinsically-safe wireless digital electronic detonator of claim 1, further comprising an operating indicator light coupled to the wireless module.
4. The three-wire intrinsically-safe wireless digital electronic detonator of claim 3, wherein the number of work indicator lights is two.
5. The three-wire intrinsically-safe wireless digital electronic detonator of claim 1, wherein the ignition module comprises a diode, a working capacitor, a low power control processor, a charge control circuit, a detonation control circuit, a discharge control circuit, a detonation capacitor, a firing element, and a discharge resistor;
the cathode of the diode is connected with one end of the working capacitor and the first input end of the low-power-consumption control processor, the other end of the working capacitor is grounded, the second input end of the low-power-consumption control processor is connected with the wireless module through the half-duplex single-wire communication line, the first output end of the low-power-consumption control processor is connected with the anode of the diode, one end of the detonation capacitor, one end of the firing element and one end of the discharge resistor through the charge control circuit, the second output end of the low-power-consumption control processor is connected with the other end of the firing element through the detonation control circuit, and the third output end of the low-power-consumption control processor is connected with the other end of the discharge resistor through the discharge control circuit;
the anode of the diode is connected with the first boosting module through the power supply positive line;
or, the anode of the diode is connected with the DC-DC circuit through the power supply positive line and is connected with the boosting module, and the boosting module is also connected with the low-power consumption control processor.
6. The three-wire intrinsically-safe wireless digital electronic detonator of claim 5, wherein the ignition module further comprises an LDO buck circuit coupled in series between the cathode of the diode and the first input of the low power control processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321982029.5U CN220507862U (en) | 2023-07-26 | 2023-07-26 | Wireless digital electronic detonator with three-wire intrinsic safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321982029.5U CN220507862U (en) | 2023-07-26 | 2023-07-26 | Wireless digital electronic detonator with three-wire intrinsic safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507862U true CN220507862U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321982029.5U Active CN220507862U (en) | 2023-07-26 | 2023-07-26 | Wireless digital electronic detonator with three-wire intrinsic safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220507862U (en) |
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2023
- 2023-07-26 CN CN202321982029.5U patent/CN220507862U/en active Active
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