A rounds counter for a weapon mount is disclosed. The rounds counter is mounted on the mount in a remote location from the weapon itself, such as to a pedestal supporting a gimbal rotating the weapon mount in azimuth, inside an elevation drive housing, or to other structure. The mounting location is
A rounds counter for a weapon mount is disclosed. The rounds counter is mounted on the mount in a remote location from the weapon itself, such as to a pedestal supporting a gimbal rotating the weapon mount in azimuth, inside an elevation drive housing, or to other structure. The mounting location is selected to be one where shock loads are relatively high, as compared to other locations on the mount. The rounds counter includes a sensor which senses shock due to the firing of the weapon, such as an accelerometer or strain gauge. The sensor could also be an acoustic transducer. Analog and digital circuitry for processing the sensor signal and to count the firing of the gun is also disclosed. The rounds counter is particularly useful as a common, single rounds counter unit for a weapon mount is adapted to receive and fire a variety of weapons, such as remotely operated weapon mounts mounted to military vehicles and patrol watercraft adapted to receive and fire four different types of guns.
대표청구항▼
We claim: 1. Gunnery apparatus comprising, in combination: a remotely operated weapon mount adapted to receive and fire at least one type of weapon; and a rounds counter comprising: a) a sensor for sensing shock imparted to the weapon mount from the firing of the weapon and generating a sensor sign
We claim: 1. Gunnery apparatus comprising, in combination: a remotely operated weapon mount adapted to receive and fire at least one type of weapon; and a rounds counter comprising: a) a sensor for sensing shock imparted to the weapon mount from the firing of the weapon and generating a sensor signal, wherein the sensor is mounted to the weapon mount in a location remote from the weapon, and b) electronic circuitry receiving the sensor signal and generating a count of each firing of the weapon; wherein the electronics circuitry further comprises an analog electronics module comprising: a) a first amplifier receiving a signal from the sensor and outputting a voltage signal, b) a rectifier rectifying the voltage signal output of the first amplifier, c) a filter coupled to the output of the first amplifier stretching the voltage signal to facilitate detection of short duration signals from the sensor, and d) a second amplifier coupled to the filter providing amplification of the voltage output of the first amplifier. 2. The apparatus of claim 1, wherein sensor comprises at least one accelerometer. 3. The apparatus of claim 1, wherein the sensor comprises a strain gauge. 4. The apparatus of claim 1, wherein the electronic circuitry receives a trigger signal from a trigger associated with the weapon, and the circuitry further comprises a logic element receiving as input the trigger signal and digital signal obtained from the sensor signal, the logic element producing an output signal. 5. The apparatus of claim 1, wherein the electronics circuitry further comprises a digital electronics module comprising: a) an analog to digital converter (ADC) receiving an analog voltage signal from an analog electronics module processing the sensor signal and having a digital output signal; b) a logic gate having as inputs the output of the ADC and a trigger signal from a trigger associated with the weapon; and c) a digital signal processor module including a processor element and a memory storing software instructions for registering a count of weapon firing using the digital output signal, the trigger signal, and the output of the logic gate. 6. The apparatus of claim 1, wherein the mount comprises a remotely operated weapon station adapted to receive and fire at least two different types of weapons and wherein the rounds counter provides a common round counter for the at least two different types of weapons. 7. The apparatus of claim 6, wherein the mount further comprises a pedestal, a gimbal supported by the pedestal, and a weapon cradle for receiving the weapon, and wherein the rounds counter sensor is mounted to the pedestal. 8. The apparatus of claim 6, wherein the mount further comprises a pedestal, a gimbal supported by the pedestal, and a weapon cradle for receiving the weapon, and wherein the rounds counter sensor is mounted to structure within the pedestal. 9. The apparatus of claim 6, wherein the mount further comprises a pedestal, a gimbal supported by the pedestal, and a weapon cradle for receiving the weapon coupled to the gimbal, and an elevation drive for elevating the weapon cradle, and wherein the rounds counter sensor is mounted to one of a) the elevation drive, b) the weapon cradle, c) the pedestal, or d) structure within the pedestal. 10. A method for counting rounds fired by a weapon carried by a weapon mount, comprising the steps of: mounting a shock-sensing sensor to the weapon mount in a location remote from the weapon; generating a signal by the sensor upon firing of the weapon due to shock imparted to the weapon mount; processing the signal with electronic circuitry and responsively generating a count of the firing of the weapon, wherein the electronics circuitry comprises an analog electronics module comprising: a) a first amplifier receiving a signal from the sensor and outputting a voltage signal, b) a rectifier rectifying the voltage signal output of the first amplifier, c) a filter coupled to the output of the first amplifier stretching the voltage signal to facilitate detection of short duration signals from the sensor, and d) a second amplifier coupled to the filter providing amplification of the voltage output of the first amplifier. 11. The method of claim 10, wherein the weapon mount is adapted to receive and fire at least two different weapons, wherein the rounds counter provides counts for the weapon mount for the firing of the at least two different weapons. 12. Gunnery apparatus comprising, in combination: a remotely operated weapon mount adapted to receive and fire at least one type of weapon; and a rounds counter comprising: a) an acoustic transducer sensor for sensing acoustic pressure produced from a firing of the weapon and generating a sensor signal, wherein the sensor is mounted to the weapon mount in a location remote from the weapon, and b) electronic circuitry receiving the sensor signal and generating a count of each firing of the weapon; wherein the electronics circuitry further comprises an analog electronics module comprising: a) a first amplifier receiving a signal from the sensor and outputting a voltage signal, b) a rectifier rectifying the voltage signal output of the first amplifier, c) a filter coupled to the output of the first amplifier stretching the voltage signal to facilitate detection of short duration signals from the sensor, and d) a second amplifier coupled to the filter providing amplification of the voltage output of the first amplifier.
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