CN109015506A - A kind of torque-indicating wrench and its operating method - Google Patents
A kind of torque-indicating wrench and its operating method Download PDFInfo
- Publication number
- CN109015506A CN109015506A CN201810893408.4A CN201810893408A CN109015506A CN 109015506 A CN109015506 A CN 109015506A CN 201810893408 A CN201810893408 A CN 201810893408A CN 109015506 A CN109015506 A CN 109015506A
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- module
- key
- torque
- indicating
- controller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/18—Devices for illuminating the head of the screw or the nut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/142—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for hand operated wrenches or screwdrivers
Abstract
The invention discloses a kind of torque-indicating wrench and its operating methods, are related to torque spanner technical field, it is intended to solve the problems, such as existing torque-indicating wrench usage scenario poor compatibility, be unfavorable for exact operations.Its key points of the technical solution are that being provided with torque sensor on pulling part, it is provided with master control borad in handle, the key module, digital display module and indicating module connecting with master control borad are provided on handle.Indicating module includes the first indicator light and several second indicator lights, and master control borad is used for before the torque value that torque sensor detects reaches the target torque value of setting, controls the increase for the torque value that the second indicator light is detected according to torque sensor and sequentially lights；Master control borad is also used to when the torque value that torque sensor detects reaches the target torque value of setting, and the first indicator light of control lights, and has the advantages that usage scenario compatibility is good, operating accuracy is high.
Description
Technical field
The present invention relates to torque spanner technical fields, more specifically, it relates to a kind of torque-indicating wrench and its operation
Method.
Background technique
Spanner is a kind of common installation and removal tool, be twisted using lever principle bolt, screw, nut and other
Screw thread tightly holds the opening of bolt or nut or the hand tools of trepanning firmware.In certain high-accuracy machinery, each screw lock module
Removal have certain program and appropriate torsion operational requirements, if careless manipulation is likely to result in screw lock module or screw hole collapses tooth
Damage or undermine mechanical operating function and precision itself, but existing hand tools and can not be real-time when force operates
Torsion is shown, therefore, it is impossible to which user is allowed to recognize actual force torque value.Consider above situation, needs to design a kind of energy
The torque-indicating wrench of torque value when enough real-time display operations.
Based on the above demand, just there is Related product, most typical is exactly such as Publication No. " CN201010243592.1 "
Chinese patent disclosed in a kind of digital torque force spanner structure and make the method for its balancing force on handle comprising pulling part；One end connects
The sensor of pulling part is connect, two foil gauges are rabbeted in two sides respectively, and proximity sensor is equipped with adjusting hole at both ends respectively；One end
Connect the connecting rod of the one end of sensor far from pulling part；Connect the handle of the one end of connecting rod far from sensor；And setting
It is electrically coupled in connecting rod or handle, and with sensor, to show the digital display of the torque value of sensor.
But above-mentioned digital torque force spanner does not have the function that torque value is reminded, due to when using digital torque force spanner,
It is not fixed using angle and using posture, so be inconvenient to observe by the naked eye the torque value shown on digital display,
To be easy the case where causing screw lock module or screw hole to collapse tooth damage due to careless manipulation, and then affect the operation of machinery itself
Function and precision, usage scenario compatibility is poor, this problem has to be solved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of torque-indicating wrench, having makes
With the advantage that scene compatibility is good, operating accuracy is high.
To achieve the above object, the present invention provides the following technical scheme that
A kind of torque-indicating wrench is also wrapped including pulling part, handle and the connecting rod being connected between pulling part and handle
It includes: being carried on the pulling part, the torque sensor for detecting operation torsion value；It is arranged on the handle, for showing
The digital display module of the torque value of the torque sensor detection；Be loaded in the handle, with the torque sensor and digital display
Module connects and is used to control the master control borad of digital display module running；It is arranged on the handle, connect and be used in combination with the master control borad
In the key module of setting target torque value；And it is arranged on the handle, is connect with the master control borad and be used to issue and refer to
Show the indicating module of signal；Wherein, the indicating module includes the first indicator light and several second indicator lights；The master control borad
For before the torque value that torque sensor detects reaches the target torque value of setting, controlling second indicator light according to torque
Sensor detection torque value increase and sequence light；The master control borad is also used to reach in the torque value that torque sensor detects
To setting target torque value when, control first indicator light and light.
By using above-mentioned technical proposal, digital display module can torque value in real-time display operating process so that operation
Person is convenient for observing torsion situation.By the setting of key module, target torque value can be set, so that indicating module exists
When soon reaching the target torque value of setting and reaching the target torque value of setting, indication signal is issued.By by indicating module
It is set as first indicator light and several second indicator lights, so that the torque value in torque sensor detection is not reaching
To setting target torque value when, the second indicator light can according to torque sensor detect increasing torque value and sequence
It lights, has the function of facilitating and remind the current torsion situation of operator.When the torque value of torque sensor detection reaches setting
When target torque value, the first indicator light is bright, to remind operator that current torsion has reached the setting value of setting.First instruction
Lamp and the second indicator light may be arranged as different colors, so that the more convenient observation of operator.
Further, the master control borad includes controller, analog-to-digital conversion module, power supply module and Power Entry Module；Institute
It states power supply module to be connected with Power Entry Module, the Power Entry Module and controller, analog-to-digital conversion module and indicating module
It is connected；The torque sensor is connected with analog-to-digital conversion module, the analog-to-digital conversion module, key module, indicating module and
Digital display module is connected with controller.
By using above-mentioned technical proposal, torque sensor is transmitted a signal in controller by analog-to-digital conversion module,
So that display module can display in real time torque value.By power supply module and Power Entry Module, can for controller,
Analog-to-digital conversion module and indicating module etc. provide stable DC, to guarantee that whole system can be stable work.
Further, the Power Entry Module includes self-locking module and Voltage stabilizing module, and the key module includes first
Key；The power supply module is connected with one end of the first key and Voltage stabilizing module, and the self-locking module is another with the first key
End, Voltage stabilizing module and controller are connected；Wherein, after pressing first key, the Voltage stabilizing module is self-locking module and control
Device power supply processed；The controller is used for after unclamping the first key, is controlled the Voltage stabilizing module and is continued to run.
By using above-mentioned technical proposal, Voltage stabilizing module can power supply be transformed to stable DC, such as it is stable
3.3V direct current etc..When pressing the first key, the enable end of power supply module and Voltage stabilizing module is connected, and Voltage stabilizing module starts work
Make, to be controller and self-locking module for power supply.Simultaneously, after controller detects that the first key is pressed, to Voltage stabilizing module
Enable end output control signal so that unclamp the first key after Voltage stabilizing module can continue to work so that control
The work that device can continue.After realizing the first key of short-press, the booting of system is realized.
Further, the digital display module includes LCD liquid crystal display and backlight, and the master control borad further includes for opening back
The backlight control module of light lamp；The backlight control module is connected with Power Entry Module, digital display module and controller, the control
Device processed is for controlling backlight control module running or closing.
By using above-mentioned technical proposal, backlight control module can control the opening and closing of backlight, so that
Torque-indicating wrench can adapt to the environment of night and insufficient light, and practicability is good.
Further, the master control borad further includes the Buzzing module being connected with controller and Power Entry Module；The control
Device processed is used for when first the second indicator light lights, and is controlled the Buzzing module and is issued the signal that pipes.
By using above-mentioned technical proposal, Buzzing module has the function of prompt, when the torque value of torque sensor detection
Reach within the scope of torque value corresponding with target torque value and when first the second indicator light is lighted, Buzzing module issues ring
It is signal, so that each indicator light for reminding user to observe on indicating module lights situation.
Further, the controller includes comparison module；The comparison module is used for when first the second indicator light is bright
When rising, controls the Buzzing module and issue the signal that pipes；The comparison module is also used to the torque value when torque sensor detection
When becoming larger, its frequency for issuing the signal that pipes of the corresponding quickening of the Buzzing module is controlled.
By using above-mentioned technical proposal, when the torque value of torque sensor detection becomes larger, Buzzing module sending pipes
The frequency of signal is also getting faster, and on the one hand has the function of that reminding operator to observe each indicator light lights situation, another party
Face also has the function of that the torque value of current detection can be reminded increasing.
Further, the controller further includes trigger module and the torque value unit that shows for changing digital display module
Unit selecting module, the key module further include the second key, third key, the 4th key and the 5th key；The third
Key is lower key, and the 4th key is upper key；The trigger module is used for when the second key of short-press, controls the list
Position selecting module operation；The trigger module is also used to when five key of short-press, control backlight control module operation or
It closes.
By using above-mentioned technical proposal, different unit display patterns is adjusted by the second key of short-press, thus
It can adapt to different use environments.By the 5th key of short-press, i.e., the operation or closing of controllable backlight control module.Third
Key is lower key, and the 4th key is upper key, and setting target torque value can be realized by third key and the 4th key
It adjusts and is used in other operations.
Further, the controller further includes mode selection module, and the mode selection module is for working as model selection
When module runs and presses third key or four keys, changes the operating mode of the torque-indicating wrench and control the number
Aobvious module shows corresponding operating mode information；The trigger module is also used to reach the time threshold of setting when the second key of long-pressing
When value, the mode selection module operation is controlled；The trigger module is also used to control the mode when the second key of short-press
Selecting module is closed.
By using above-mentioned technical proposal, the operation or closing of mode selection module can be realized by the second key, when
When needing to select operating mode, by pressing third key or the 4th key.Operating mode can be two, or
More than two multiple operating modes.By taking two operating modes as an example, two operating modes can be peak holding mode and chase after
It traces back mode.Under retrospect mode, user stop operation torque-indicating wrench and by its from bolt to be twisted, screw, nut and
When removing on other component, the torque value that digital display module is shown is zeroed.Under peak holding mode, user stops operation digital display torsion
Torque wrench and when removing it from bolt, screw, nut and the other component wait twist, the torque value that digital display module is shown is not
It can be zeroed and show the torque value currently tested.
Further, the controller further includes the lock for locking the second key, third key and the 4th key
Cover half block；The trigger module is also used to control the locking module when the 5th key of long-pressing reaches the time span of setting
Operation is closed.
By using above-mentioned technical proposal, the 5th key of long-pressing can start locking module, thus by the second key, third
Key and the 4th key lock, and have and can be avoided the work that operator generates maloperation when using torque-indicating wrench
With.When needing to close locking module, then the 5th key of long-pressing reaches the time span of setting.
Another object of the present invention is to provide a kind of operations of torque-indicating wrench based on above-mentioned torque-indicating wrench
Method, the advantage good with usage scenario compatibility, operating accuracy is high.
A kind of operating method of torque-indicating wrench, the operating method is based on above-mentioned torque-indicating wrench, comprising:
Unit selection, unclamps after pressing first key, to start the torque-indicating wrench；When the torque-indicating wrench
After starting, the second key described in short-press, to switch the torque value unit that the digital display module is shown；
Target torque value is set, after torque-indicating wrench starting, presses the third key to reduce target torque value
Or the 4th key is pressed to increase target torque value；
Model selection, after torque-indicating wrench starting, the second key described in long-pressing；The second key described in the long-pressing reaches
The second key is unclamped after the time threshold of setting, to enter setting mode；The third key or the 4th key are pressed, again to cut
Change the operating mode of the torque-indicating wrench；After the operating mode for setting the torque-indicating wrench, second described in short-press
Key is to leave setting mode；
Backlight setting, after torque-indicating wrench starting, the 5th key described in short-press, to control opening for the backlight
It closes；
Press key locking, after torque-indicating wrench starting, the 5th key described in long-pressing；The 5th key described in the long-pressing reaches
After the time span of setting, the 5th key is unclamped, to control the locking module operation；The 5th key described in long-pressing reaches again
To after the time span of setting, the 5th key is unclamped, is closed with controlling the locking module.
By using above-mentioned technical proposal, facilitate setting target torque value, but also operator can make according to different
Unit, operating mode for being shown with scene settings display module etc. have the effect that usage scenario compatibility is good, operating accuracy is high
Fruit.
In conclusion the invention has the following advantages:
1, by the setting of master control borad, the first indicator light and several the second indicator lights, can play usage scenario compatibility it is good,
The high effect of operating accuracy；
2, by the setting of Buzzing module and comparison module, the effect for reminding operator to observe indicating module can be played；
3, by the setting of unit selecting module and mode selection module, it can play and further increase usage scenario compatibility
Effect；
4, by the setting of locking module and the 5th key, the effect for preventing operator's maloperation can be played.
Detailed description of the invention
Fig. 1 is in embodiment 1 for embodying the integrally-built schematic diagram of torque-indicating wrench；
Fig. 2 is in embodiment 1 for embodying the schematic diagram of the structure of master control borad；
Fig. 3 is in embodiment 1 for embodying the schematic diagram of the structure of self-locking module；
Fig. 4 is in embodiment 1 for embodying the schematic diagram of the structure of indicating module；
Fig. 5 is in embodiment 1 for embodying the schematic diagram of the connection relationship of digital display module and controller；
Fig. 6 is in embodiment 1 for embodying the schematic diagram of the connection relationship of controller and key module.
In figure: 1, pulling part；2, handle；21, buzzing goes out part；3, connecting rod；4, torque sensor；5, digital display module；
51, LCD liquid crystal display；52, backlight；6, controller；61, analog-to-digital conversion module；62, power supply module；63, Power Entry Module；
64, self-locking module；65, Voltage stabilizing module；66, backlight control module；67, Buzzing module；7, key module；71, the first key；
72, the second key；73, third key；74, the 4th key；75, the 5th key；8, indicating module；81, the first indicator light；82,
Second indicator light；9, comparison module；91, trigger module；92, unit selecting module；93, mode selection module；94, mould is locked
Block.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment 1:
A kind of torque-indicating wrench, referring to Fig.1 comprising pulling part 1, handle 2 and connecting rod 3, connecting rod 3 are connected to pulling part
Between 1 and handle 2.In use, after operator holds handle 2, by pulling part 1 can twist bolt, screw, nut or other
Component.
Referring to Figures 1 and 2, torque sensor 4 is provided on pulling part 1, torque sensor 4 passes through for detecting operator
Torque-indicating wrench twists torque value when component.Digital display module 5, key module 7 and indicating module 8 are provided on handle 2, number
Aobvious module 5 is used to show the torque value that torque sensor 4 detects, and key module 7 is for setting target torque value, indicating module 8
For issuing alarm signal.Master control borad, master control borad and torque sensor 4, digital display module 5, key module 7 are provided in handle 2
It is connected with indicating module 8, for controlling the running of digital display module 5 and indicating module 8.
Referring to Fig. 2, master control borad includes controller 6, analog-to-digital conversion module 61, power supply module 62 and Power Entry Module 63.
The output end of power supply module 62 is connected with the input terminal of Power Entry Module 63, the output end and controller of Power Entry Module 63
The input terminal of 6 input terminal, the input terminal of analog-to-digital conversion module 61 and indicating module 8 is connected.The output end of torque sensor 4 with
The input terminal of analog-to-digital conversion module 61 is connected, the output end of analog-to-digital conversion module 61, the output end of key module 7, indicating module 8
Output end be connected with the input terminal of controller 6, the input terminal of digital display module 5 is connected with the output end of controller 6.
Referring to Fig. 2 and Fig. 3, Power Entry Module 63 includes self-locking module 64 and Voltage stabilizing module 65, and key module 7 includes the
One key 71.Self-locking module 64 include first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, triode Q1,
First diode D1 and the second diode D2.One end and Voltage stabilizing module 65 of the output end of power supply module 62 and the first key 71
Input terminal is connected, and the output end of Voltage stabilizing module 65 is connected with one end of the input terminal of controller 6 and 3rd resistor R3.3rd resistor
The other end of R3 is connected with the collector of the input terminal of controller 6 and triode Q1, the emitter of triode Q1 ground connection and with the
One end of two resistance R2 is connected.The other end of second resistance R2 and the base stage of triode Q1 and one end phase of first resistor R1
Even, the other end of first resistor R1 is connected with the anode of the other end of the first key 71 and first diode D1.One or two pole
The cathode of pipe D1 is connected with the cathode of one end of the 4th resistance R4, the enable end of Voltage stabilizing module 65 and the second diode D2, the
The other end of four resistance R4 is grounded, and the anode of the second diode D2 is connected with the output end of controller 6.When pressing the first key 71
Afterwards, the enable end of power supply module 62 and Voltage stabilizing module 65 is connected, and Voltage stabilizing module 65 is that self-locking module 64 and controller 6 are powered.Together
When, after controller 6 detects that the first key 71 is pressed, control signal is exported to the enable end of Voltage stabilizing module 65, to make
Voltage stabilizing module 65 also can continue to work after the first key 71 must be unclamped.
Referring to Fig.1 and Fig. 4, indicating module 8(includes the first indicator light 81 and several second indicator lights 82 referring to Fig. 2),
In the present embodiment, the corresponding LED1 of the first indicator light 81, the setting of the second indicator light 82 there are three and respectively with LED2, LED3 and
LED4 is corresponding, and the second indicator light 82 issues green light when lighting, the first indicator light 81 issues feux rouges when lighting.When torque sensor 4
When the torque value of detection reaches the 85% of the target torque value of setting, controller 6 controls first the second indicator light 82 and lights, i.e.,
LED4 is lighted.When the torque value that torque sensor 4 detects reaches the 90% of the target torque value of setting, the control of controller 6 second
A second indicator light 82 lights, i.e., LED3 is lighted, at this point, LED4 is also lighted.It is set when the torque value that torque sensor 4 detects reaches
Fixed target torque value 95% when, controller 6 controls third the second indicator light 82 and lights, i.e., LED2 is lighted, at this point, LED3
It is lighted with LED4.When the torque value that torque sensor 4 detects reaches the 100% of the target torque value of setting, controller 6 is controlled
It makes the first indicator light 81 to light, i.e., LED1 is lighted, at this point, LED2, LED3 and LED4 are lighted.
Referring to Fig. 2 and Fig. 5, digital display module 5 includes LCD liquid crystal display 51 and backlight 52, and master control borad further includes for opening
The backlight control module 66 of backlight 52.Backlight control module 66 and 6 phase of Power Entry Module 63, digital display module 5 and controller
Even, controller 6 is for controlling the running of backlight control module 66 or closing.
Referring to Fig. 2 and Fig. 6, master control borad further includes Buzzing module 67, Buzzing module 67 and controller 6 and Power Entry Module
63 are connected.When first the second indicator light 82(referring to Fig.1) light when, controller 6 controls the sending of Buzzing module 67 and pipes signal.
Controller 6 includes comparison module 9, and when first the second indicator light 82 lights, comparison module 9 controls Buzzing module 67 and issues ring
It is signal.When the torque value that torque sensor 4 detects is increasing, comparison module 9, which controls Buzzing module 67 and corresponds to, accelerates it
Issue the frequency for the signal that pipes.
Referring to Fig.1 and Fig. 6, controller 6 further include trigger module 91 and unit selecting module 92, and unit selecting module 92 is used
In the torque value unit for changing the display of digital display module 5.Key module 7 further includes the second key 72, third key 73, the 4th key
74 and the 5th key 75, third key 73 be lower key, the 4th key 74 is upper key.When the second key 72 of short-press, triggering
Module 91 controls unit selecting module 92 and runs.Touching is when five key 75 of short-press, hair module control backlight control module 66(ginseng
According to Fig. 2) it runs or closes.
Referring to Fig.1 and Fig. 6, controller 6 further include mode selection module 93, when mode selection module 93 is run and presses the
When three keys 73 or four keys 74, mode selection module 93 changes the operating mode and LCD liquid crystal display of torque-indicating wrench
The corresponding operating mode information of 51 displays.When the second key of long-pressing 72 is greater than 2 seconds, 91 control model selecting module of trigger module
93 operations.When short-press the second key 72(is i.e. less than 2 seconds) when, 91 control model selecting module 93 of trigger module is closed.In this reality
It applies in example, operating mode is divided into peak holding mode and retrospect mode, and under retrospect mode, user stops operation digital display torsion and pulls
Hand and when removing it from bolt, screw, nut and the other component wait twist, the torque value zero that display module is shown；
Under peak holding mode, user stop operation torque-indicating wrench and by its from bolt to be twisted, screw, nut and other
When removing on component, the torque value that display module is shown will not be zeroed and show the torque value currently tested.
Referring to Fig.1 and Fig. 6, controller 6 further include locking module 94, and locking module 94 is used for the second key 72, third
Key 73 and the 4th key 74 lock.When the 5th key 75 of long-pressing reaches 3 seconds, trigger module 91 controls locking module 94
Operation；When the 5th key 75 of long-pressing reaches 3 seconds again, trigger module 91 controls locking module 94 and closes.
Working principle is as follows:
When user twists bolt, screw, nut or other component by torque-indicating wrench, when the torsion that torque sensor 4 detects
When force value reaches the 85% of the target torque value of setting, controller 6 controls first the second indicator light 82 and lights, i.e., LED4 is lighted.
When the torque value that torque sensor 4 detects reaches the 90% of the target torque value of setting, controller 6 controls second second finger
Show that lamp 82 lights, i.e., LED3 is lighted, at this point, LED4 is also lighted.When the torque value that torque sensor 4 detects reaches the target of setting
Torque value 95% when, controller 6 controls third the second indicator light 82 and lights, i.e., LED2 is lighted, at this point, LED3 and LED4 are equal
It lights.When the torque value that torque sensor 4 detects reaches the 100% of the target torque value of setting, the control of controller 6 first refers to
Show that lamp 81 lights, i.e., LED1 is lighted, at this point, LED2, LED3 and LED4 are lighted.
Under retrospect mode, user stop operation torque-indicating wrench and by its from bolt to be twisted, screw, nut or
When removing on other component, the torque value that display module is shown is zeroed.
Under peak holding mode, user stops operation torque-indicating wrench and by it from bolt to be twisted, screw, spiral shell
When removing on female or other component, the torque value that display module is shown will not be zeroed and show the torque value currently tested.
After the 5th key 75 of user's long-pressing reaches 3 seconds starting locking module 94, the second key 72, third key 73 and
Four keys 74 lock.When the 5th key 75 of long-pressing reaches 3 seconds again, trigger module 91 controls locking module 94 and closes user,
At this point, the locking of the second key 72, third key 73 and the 4th key 74 is released from.
Embodiment 2:
A kind of operating method based on the torque-indicating wrench of torque-indicating wrench in embodiment 1, referring to Figures 1 and 2, comprising:
Unit selection, user unclamps after pressing the first key 71, to start torque-indicating wrench；When torque-indicating wrench starts
Afterwards, the second key of user's short-press 72, i.e., the torque value unit that changeable digital display module 5 is shown, in the present embodiment, torque value list
Position include meters of N.m(newton), in.lb(inches pounds), ft.lb(feet pounds) and meters of kgf.m(kilogram)；
Target torque value is set, after torque-indicating wrench starting, user presses third key 73 to reduce target torque value, or
User presses the 4th key 74 to increase target torque value；
Model selection, after torque-indicating wrench starting, the second key of user's long-pressing 72；When the second key of long-pressing 72 reaches 2 seconds
After unclamp the second key 72, hence into setting mode；User presses third key 73 or the 4th key 74 again, i.e., changeable number
The operating mode of aobvious torque spanner；After user sets the operating mode of torque-indicating wrench, then the second key of short-press 72
Leave setting mode；In the present embodiment, operating mode is divided into peak holding mode and retrospect mode, under retrospect mode, uses
When family stops operation torque-indicating wrench and removes it from bolt, screw, nut and the other component wait twist, digital display mould
The torque value zero that block 5 is shown；Under peak holding mode, user stops operation torque-indicating wrench and by it to be twisted
When removing on bolt, screw, nut and other component, the torque value that digital display module 5 is shown will not be zeroed and show current test
Torque value；
Backlight setting, after torque-indicating wrench starting, the 5th key 75 of user's short-press, to control backlight 52(referring to Fig. 5)
Opening and closing, the opening and closing of backlight 52 can be with circulate operation；
Press key locking, after torque-indicating wrench starting, the 5th key 75 of user's long-pressing；When the 5th key 75 of user's long-pressing reaches
After 3 seconds, the 5th key 75 is unclamped, that is, may make locking module 94(referring to Fig. 6) operation；The 5th key 75 of long-pressing reaches user again
After 3 seconds, the 5th key 75 is unclamped, i.e., controllable locking module 94 is closed.
Claims (10)
1. a kind of torque-indicating wrench, including pulling part (1), handle (2) and it is connected between pulling part (1) and handle (2)
Connecting rod (3), which is characterized in that further include:
It is carried on the pulling part (1), the torque sensor (4) for detecting operation torsion value；
Be arranged on the handle (2), for show the torque sensor (4) detection torque value digital display module (5)；
It is loaded in the handle (2), connect with the torque sensor (4) and digital display module (5) and for controlling digital display mould
The master control borad of block (5) running；
The key module (7) for being arranged on the handle (2), being connect with the master control borad and being used to set target torque value；With
And
The indicating module (8) for being arranged on the handle (2), being connect with the master control borad and being used to issue indication signal；
Wherein, the indicating module (8) includes the first indicator light (81) and several second indicator lights (82)；The master control borad is used
Before the torque value detected in torque sensor (4) reaches the target torque value of setting, the second indicator light (82) root is controlled
According to the increase of the torque value of torque sensor (4) detection, sequence is lighted；The master control borad is also used to examine in torque sensor (4)
When the torque value of survey reaches the target torque value of setting, controls first indicator light (81) and light.
2. torque-indicating wrench according to claim 1, it is characterised in that: the master control borad includes controller (6), modulus
Conversion module (61), power supply module (62) and Power Entry Module (63)；The power supply module (62) and Power Entry Module
(63) it is connected, the Power Entry Module (63) is connected with controller (6), analog-to-digital conversion module (61) and indicating module (8)；Institute
It states torque sensor (4) to be connected with analog-to-digital conversion module (61), the analog-to-digital conversion module (61), key module (7), instruction mould
Block (8) and digital display module (5) are connected with controller (6).
3. torque-indicating wrench according to claim 2, it is characterised in that: the Power Entry Module (63) includes self-locking
Module (64) and Voltage stabilizing module (65), the key module (7) include the first key (71)；The power supply module (62) and first
One end of key (71) and Voltage stabilizing module (65) are connected, the other end of the self-locking module (64) and the first key (71), pressure stabilizing
Module (65) and controller (6) are connected；
Wherein, after pressing the first key (71), the Voltage stabilizing module (65) is self-locking module (64) and controller (6) supplies
Electricity；The controller (6) is used for after unclamping the first key (71), controls the Voltage stabilizing module (65) and continues to run.
4. torque-indicating wrench according to claim 3, it is characterised in that: the digital display module (5) includes LCD liquid crystal display
(51) and backlight (52), the master control borad further include for opening the backlight control module of backlight (52) (66)；The back
Photocontrol module (66) is connected with Power Entry Module (63), digital display module (5) and controller (6), and the controller (6) is used for
It controls backlight control module (66) running or closes.
5. according to torque-indicating wrench described in Claims 2 or 3 or 4, it is characterised in that: the master control borad further includes and controls
The Buzzing module (67) that device (6) and Power Entry Module (63) are connected；The controller (6) is used for when first the second indicator light
(82) when lighting, the Buzzing module (67) is controlled and issue the signal that pipes.
6. torque-indicating wrench according to claim 5, it is characterised in that: the controller (6) includes comparison module
(9)；The comparison module (9) is used for when first the second indicator light (82) lights, and controls the Buzzing module (67) sending
Pipe signal；The comparison module (9) is also used to control the buzzing when the torque value that torque sensor (4) are detected becomes larger
Module (67) is corresponding to accelerate its frequency for issuing the signal that pipes.
7. torque-indicating wrench according to claim 4, it is characterised in that: the controller (6) further includes trigger module
(91) the unit selecting module (92) of the torque value unit and for changing digital display module (5) display, the key module (7) is also
Including the second key (72), third key (73), the 4th key (74) and the 5th key (75)；Under the third key (73) is
Key, the 4th key (74) are upper key；The trigger module (91) is used for when the second key of short-press (72), controls institute
State unit selecting module (92) operation；The trigger module (91) is also used to control the back when the 5th key (75) of short-press
Photocontrol module (66) operation is closed.
8. torque-indicating wrench according to claim 7, it is characterised in that: the controller (6) further includes model selection
Module (93), the mode selection module (93) are used to run and press third key (73) or the when mode selection module (93)
When four keys (74), changes the operating mode of the torque-indicating wrench and control the corresponding work of the digital display module (5) display
Operation mode information；The trigger module (91) is also used to when the second key of long-pressing (72) reaches the time threshold of setting, control
Mode selection module (93) operation；The trigger module (91) is also used to when the second key of short-press (72), described in control
Mode selection module (93) is closed.
9. torque-indicating wrench according to claim 8, it is characterised in that: the controller (6) further includes for by
The locking module (94) that two keys (72), third key (73) and the 4th key (74) lock；The trigger module (91) is also
For when the 5th key (75) of long-pressing reaches the time span of setting, controlling the locking module (94) operation or closing.
10. a kind of operating method of torque-indicating wrench, which is characterized in that the operating method is based on as claimed in claim 9
Torque-indicating wrench, comprising:
Unit selection, presses first key (71) and unclamps afterwards, to start the torque-indicating wrench；When the digital display torsion
After spanner starting, the second key (72) described in short-press, to switch the torque value unit of the digital display module (5) display；
Target torque value is set, after torque-indicating wrench starting, presses the third key (73) to reduce target torsion
Force value presses the 4th key (74) to increase target torque value；
Model selection, after torque-indicating wrench starting, the second key (72) described in long-pressing；The second key described in the long-pressing
(72) the second key (72) are unclamped after reaching the time threshold of setting, to enter setting mode；The third key is pressed again
(73) or the 4th key (74), to switch the operating mode of the torque-indicating wrench；Set the torque-indicating wrench
After operating mode, the second key (72) is described in short-press to leave setting mode；
Backlight setting, after torque-indicating wrench starting, the 5th key (75) described in short-press, to control the backlight
(52) opening and closing；
Press key locking, after torque-indicating wrench starting, the 5th key (75) described in long-pressing；The 5th key described in the long-pressing
(75) after the time span for reaching setting, the 5th key (75) is unclamped, to control the locking module (94) operation；It grows again
After the time span for reaching setting by the 5th key (75), the 5th key (75) is unclamped, to control the locking mould
Block (94) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893408.4A CN109015506B (en) | 2018-08-07 | 2018-08-07 | Digital display torque wrench and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810893408.4A CN109015506B (en) | 2018-08-07 | 2018-08-07 | Digital display torque wrench and operation method thereof |
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| Publication Number | Publication Date |
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| CN109015506A true CN109015506A (en) | 2018-12-18 |
| CN109015506B CN109015506B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810893408.4A Active CN109015506B (en) | 2018-08-07 | 2018-08-07 | Digital display torque wrench and operation method thereof |
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| Country | Link |
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| CN (1) | CN109015506B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549290A (en) * | 2019-09-27 | 2019-12-10 | 山东中车同力达智能机械有限公司 | intelligent digital display torque wrench circuit control system and control method |
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| CN2510241Y (en) * | 2001-11-29 | 2002-09-11 | 国营东方仪器厂 | Digital-display torque wrench |
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| CN110549290B (en) * | 2019-09-27 | 2022-02-15 | 山东中车同力达智能装备有限公司 | Intelligent digital display torque wrench circuit control system and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109015506B (en) | 2020-10-23 |
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