CN216434211U - Portable automobile test pencil convenient for outdoor environment operation for automobile maintenance - Google Patents
Portable automobile test pencil convenient for outdoor environment operation for automobile maintenance Download PDFInfo
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- CN216434211U CN216434211U CN202122226019.6U CN202122226019U CN216434211U CN 216434211 U CN216434211 U CN 216434211U CN 202122226019 U CN202122226019 U CN 202122226019U CN 216434211 U CN216434211 U CN 216434211U
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- lamp holder
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- bulb
- shell
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Abstract
The utility model discloses a portable automobile test pencil convenient for outdoor environment operation for automobile maintenance, which comprises a main body, wherein a negative electrode lead is arranged on one side of the outer part of the main body; a negative test contactor disposed at one side of an outer portion of the negative lead; and the current test structure (power test lamp) is arranged on one side of the interior of the main body. The portable automobile test pencil for the automobile maintenance and convenient for the outdoor environment operation has the advantages that a pen-type shell is used as an equipment main body, an anode test probe is in contact with the anode of a tested circuit, the cathode of the tested circuit is connected by using a cathode test contactor, so that the whole equipment and the tested circuit form a loop, the voltage value of the loop is displayed on a voltmeter display screen for a user to directly observe, and the anode and cathode of the circuit and the strength of an alternating current-direct current voltage signal can be tested according to the on-off and flashing conditions of an LED test lamp; the current test structure (power test lamp) is composed of bulb, lamp holder and two-position control switch frame plate.
Description
Technical Field
The utility model relates to the technical field of circuit detection, in particular to a portable automobile test pencil convenient for outdoor environment operation for automobile maintenance.
Background
Nowadays, when detecting and maintaining car, electric motor car, engineering machine tool, often use the circuit detector for whether analysis and judgment circuit and electrical apparatus work normally, pen type car circuit detector is because small in size, convenient to use and widely used.
Automobile test pencil is used in automobile overhaul in market can only detect whether circular telegram, can't carry out accurate detection with weak current signal, heavy current circuit, circuit electrical apparatus contact failure to and can't present voltage value, make the test pencil function comparatively limit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a portable automobile test pencil for automobile maintenance, which is convenient for outdoor environment operation, and aims to solve the problems that the automobile test pencil for automobile maintenance in the market, which is proposed in the background technology, can only detect whether the automobile test pencil is electrified or not, can not accurately detect weak current signals, large current circuits and poor circuit electrical appliance contact, and can not present voltage values, so that the function of the test pencil is limited.
In order to achieve the purpose, the utility model provides the following technical scheme: a portable automobile test pencil convenient for outdoor environment operation for automobile maintenance comprises:
the cathode lead is arranged on one side of the outer part of the main body;
a negative test contactor disposed at one side of an outer portion of the negative lead;
the two-position control switch frame plate is arranged on the outer side of the pen-shaped shell;
the main body includes:
the pen-type shell comprises an upper shell, a lower shell, round holes and round holes in the upper shell and the lower shell;
an LED test light disposed inside the pen-shaped housing;
a voltmeter disposed inside the pen housing;
the positive electrode electricity measuring probe is arranged on one side of the outside of the pen-shaped shell;
a current test structure disposed on an interior side of the pen housing.
Preferably, the current test structure includes:
a lamp holder disposed at one side of the lower housing of the pen-shaped housing; the lower shell is provided with a round hole through which the lamp holder can be conveniently detached;
a PCB circuit board disposed inside the pen-shaped housing;
the PCB fixing column is arranged in the pen-type shell and used for fixing the PCB;
the lamp holder buckle and the lamp holder are of an integral structure, the buckle is locked on the PCB by rotating the lamp holder, and meanwhile, the metal contact on the lamp holder and the PCB form reliable circuit connection;
the bulb is arranged on the lamp holder, a current path is formed by the contact on the lamp holder and the PCB, and a round hole is formed in one side of the upper shell of the pen-shaped shell, so that the brightness of the bulb can be observed.
Preferably, the LED test lamps are provided with two groups for detecting the positive and negative polarities of the circuit to be detected, and the voltage of the circuit can be judged according to the brightness of the LED test lamps.
Preferably, the current test structure, the bulb and the lamp holder form a detachable structure, and the bulb is arranged on the lamp holder; the lamp holder and the PCB are provided with metal contacts and locked by a buckle, the bulb is connected with the PCB contacts through the lamp holder metal contacts to form a current path, and the lamp holder and the PCB form a detachable structure.
Preferably, the current test structure, bulb and lamp stand are inside the casing, and upper housing and lower casing have the round hole in bulb and lamp stand corresponding position all, and because the model of bulb and lamp stand is different, lamp stand and bulb may be partly to spill outside the casing, also may not spill the casing.
Preferably, the two-position control switch frame plate and the switch on the two-position control switch frame plate are respectively used for controlling the on-off of the current testing structure and the voltmeter circuit.
Compared with the prior art, the utility model has the beneficial effects that: this automobile test pencil that outdoor environment operation is convenient for overhaul of vehicles, adopt the mutual cooperation between a plurality of mechanisms, the functionality is strong, according to the bright circumstances and the scintillation that go out and flash the condition of two sets of LED test lamps, test circuit positive and negative polarity and alternating current-direct current voltage are strong and weak, the voltmeter, constitute by digital display screen and corresponding circuit, direct display is measured circuit voltage value, utilize current test structure (power test lamp), can test the operating condition of heavy current circuit and electrical apparatus, especially the condition of detection circuit or electrical apparatus contact failure, possess LED test lamp simultaneously, the voltmeter, three kinds of functions of power test lamp (current test structure), control respectively by the switch, can be as required, use one of them function, or several kinds of function combination uses, it is flexible to use, improve work efficiency.
1. The utility model uses pen-type shell as main body of equipment, the positive electrode test probe contacts with the positive electrode of the circuit to be tested, and the negative electrode of the circuit to be tested is connected by using negative electrode test contactor, so that the whole equipment and the circuit to be tested form a loop, the voltage value of the loop is displayed on the voltmeter display screen for direct observation by users, and the polarity of the circuit and the intensity of AC/DC voltage signal can be tested according to the on-off and flashing conditions of two groups of LED test lamps, wherein one group of LED test lamps is on, the circuit contacting with the positive electrode probe is positive electrode, the other group of LED test lamps is on, the circuit contacting with the positive electrode probe is negative electrode.
2. The utility model, the bulb used in the power test lamp (current test structure) is a consumptive material, has used the ordinary bulb with lamp holder (it is easy to buy in the market), before testing, insert the bulb into the lamp holder first, insert the lamp holder into round hole of PCB circuit board through the round hole of lower casing, and rotate the lamp holder, make buckle and PCB circuit board lock, two metal contacts on the lamp holder contact with two contacts on PCB circuit board, form the current path, observe the luminance of the bulb through the round hole of upper casing, and through the reading of the voltmeter, analyze and judge the working condition of the circuit or electrical apparatus, and whether the circuit or electrical apparatus has bad contact condition, bulb and voltmeter connect in parallel in the circuit to be tested, if there is bad contact in the circuit, there is contact resistance to exist, because the bulb lights and needs the great current, there is voltage drop on both ends of contact resistance, so through measuring the circuit voltage value, whether the circuit has the fault of poor contact can be conveniently judged.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic side view of a current test structure (power test lamp) according to the present invention;
fig. 3 is a schematic bottom view of the present invention.
In the figure: 1. a main body; 101. a pen housing; 102. LED test lamps; 103. a voltmeter; 104. Detecting a probe by the positive electrode; 2. current test structures (power test lamps); 204. a lamp socket; 205. a bulb; 206. buckling; 207. a PCB circuit board; 208. a PCB circuit board fixing column; 3. a negative electrode lead; 4. a negative test contactor; 5. a screw hole; 6. a two-position control switch frame plate (controlling the on-off of a bulb 205 circuit); 7. a two-position control switch frame plate (for controlling the on-off of a voltmeter 104 circuit); 201. an upper housing; 202. a lower housing; 203. the shell is provided with an opening.
Detailed Description
As shown in fig. 1, the present invention provides a technical solution: a portable automobile test pencil convenient for outdoor environment operation for automobile maintenance comprises: the device comprises a main body 1, wherein a negative electrode lead 3 is arranged on one side of the outer part of the main body 1; a negative test contactor 4 disposed at one side of the outside of the negative lead 3; the main body 1 includes: a pen-shaped housing 101 disposed at an exterior of the main body 1; the LED test lamps 102 are arranged on two sides of the interior of the pen-shaped shell 101; a voltmeter 103 provided in the middle of the pen housing 101; and a positive electrical probe 104 disposed on an exterior side of the pen housing 101. Two sets of LED test lights 102 are provided. The pen housing 101 forms a fixed structure with the negative lead 3 and the negative test contactor 4, and the pen housing 101 and the positive test probe 104 form a wrapped structure. The pen-type shell 101 is used as an equipment main body, the positive electrode electricity-testing probe 104 is in contact with the positive electrode of a tested circuit, the negative electrode of the tested circuit is connected by the negative electrode test contactor 4, so that the whole equipment and the tested circuit form a loop, voltage data of the loop is displayed on a display screen of a voltmeter 103 for direct observation of a user, and the positive and negative polarities of the circuit and the strength of an alternating current voltage signal and a direct current voltage signal can be tested according to the on-off and flashing conditions of the two groups of LED test lamps 102.
As shown in the figure, the present invention provides a technical solution: a portable automobile test pencil for automobile maintenance convenient for outdoor environment operation, a current test structure 2 is arranged on one side of the inside of a shell 101; the current test structure 2 includes: a housing 101; a PCB circuit board 207 disposed inside the case 101; a PCB fixing post 208 to be fixed with the case 101; the buckle 206 enables the lamp holder 204 and the PCB 207 to form a detachable structure; the bulb 205 is arranged on the upper part of the lamp holder 204 and forms a detachable structure with the lamp holder 204. The housing 101 and the PCB circuit board 207 constitute a package structure. The bulb 205 belongs to consumable materials, and common bulbs which are easily bought in the market are used, so that replacement is convenient.
To sum up, when the portable automobile test pencil convenient for outdoor environment operation for automobile maintenance is used, firstly, a user fixes a new bulb 205 on a lamp holder 204, the bulb 205 uses a 12-24v automobile bulb, then the lamp holder is inserted into a hole of a PCB circuit board, and rotates the lamp holder, so that a buckle on the lamp holder is locked and fixed with the PCB circuit board, two metal contacts on the lamp holder are contacted with the PCB circuit board, whether the bulb is connected with a circuit is controlled through a switch on a two-position switch control frame plate 6, the user holds the pen-shaped shell 101 with a hand, a positive electrode test probe 104 is contacted with a positive electrode of the tested circuit, a negative electrode of the tested circuit is connected by a negative electrode test contactor 4, so that the whole equipment and the tested circuit form a loop, voltage and current in the loop are detected, and voltage data are displayed on a display screen of a voltmeter 103 for direct observation of the user, the polarity of the circuit and the strength of an alternating current voltage signal and a direct current voltage signal can be tested according to the on-off and flashing conditions of the LED test lamp 102, the working conditions of a large-current circuit and an electric appliance can be tested according to the bulb 205, the lamp holder 204 is connected with the PCB 207 through a contact to form a current path, the bulb and the voltmeter are connected in parallel in a circuit to be tested, if the circuit has poor contact, contact resistance exists, because the bulb needs large current when being lighted, voltage drops exist at two ends of the contact resistance, whether the circuit has poor contact faults can be conveniently judged by measuring the voltage value of the circuit, the circuit has three functions of the LED test lamp, the voltmeter and a power test lamp (current test structure), the power test lamp and the voltmeter are respectively controlled by switches on the two-position control switch frame plates 6 and 7, one function can be used according to requirements, or several functions are combined for use, the use is flexible, and the working efficiency is improved.
Claims (7)
1. The utility model provides a car electricity test pencil that automobile overhaul was with portable outdoor environment operation of being convenient for which characterized in that includes:
the battery pack comprises a main body (1), wherein a negative electrode lead (3) is arranged on one side of the outside of the main body (1);
a negative test contactor (4) disposed on an outer side of the negative lead (3);
the two-position control switch frame plates (6) and (7) are arranged on the outer side of the pen-shaped shell (101);
the main body (1) comprises:
the pen-shaped shell (101), the pen-shaped shell (101) comprises an upper shell (201), a lower shell (202), round holes (203), and round holes in the upper shell and the lower shell;
an LED test light (102) provided inside the pen-shaped housing (101);
a voltmeter (103) provided inside the pen-shaped housing (101);
a positive electrode electricity measuring probe (104) arranged on one side of the exterior of the pen-shaped housing (101);
a current test structure (2) disposed on an interior side of the pen housing (101).
2. The portable automobile test pencil convenient for outdoor environment operation for automobile maintenance according to claim 1, characterized in that:
the current test structure (2) comprises:
a lamp socket (204) provided on the lower housing (202) side of the pen-shaped housing (101); a round hole is formed in the lower shell (202), and the lamp holder can be conveniently detached through the round hole;
a PCB circuit board (207) disposed inside the pen housing (101);
the PCB fixing column (208) is arranged inside the pen-shaped shell (101) and used for fixing the PCB;
the lamp holder buckle (206) and the lamp holder (204) are of an integral structure, the buckle is locked on the PCB by rotating the lamp holder, and meanwhile, the metal contact on the lamp holder and the PCB form reliable circuit connection;
the bulb (205) is arranged on the lamp holder (204), a current path is formed by the contact on the lamp holder (204) and the PCB (207), and a round hole is formed in one side of the upper shell (201) of the pen-shaped shell (101) so that the brightness of the bulb (205) can be observed.
3. The portable automobile test pencil convenient for outdoor environment operation for automobile maintenance according to claim 1, characterized in that: the LED test lamps (102) are provided with two groups and used for detecting the positive polarity and the negative polarity of a circuit to be detected, and the voltage of the circuit can be judged according to the brightness of the LED test lamps (102).
4. The portable automobile test pencil convenient for outdoor environment operation for automobile maintenance according to claim 1, characterized in that: the pen-type shell (101), the negative electrode lead (3) and the negative electrode test contactor (4) form a fixed structure, and the pen-type shell (101) and the positive electrode electricity testing probe (104) form a wrapping structure.
5. The portable automobile test pencil convenient for outdoor environment operation for automobile maintenance according to claim 2, characterized in that: the current testing structure (2), the bulb (205) and the lamp holder (204) form a detachable structure, and the bulb (205) is installed on the lamp holder (204); the lamp holder (204) and the PCB circuit board (207) are both provided with metal contacts and locked by a buckle (206), the bulb (205) is connected with the contacts of the PCB circuit board (207) through the metal contacts of the lamp holder (204) to form a current path, and the lamp holder (204) and the PCB circuit board (207) form a detachable structure.
6. The portable automobile test pencil convenient for outdoor environment operation for automobile maintenance according to claim 2, characterized in that: the current testing structure (2), the bulb (205) and the lamp holder (204) are arranged in the shell (101), the upper shell (201) and the lower shell (202) are provided with round holes at corresponding positions of the bulb and the lamp holder, and the lamp holder (204) and the bulb (205) may or may not partially leak out of the shell (101) due to different models of the bulb and the lamp holder.
7. The portable automobile test pencil convenient for outdoor environment operation for automobile maintenance according to claim 1, characterized in that: and the switches on the two-position control switch frame plates (6) and (7) are respectively used for controlling the on-off of the circuits of the current testing structure (2) and the voltmeter (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226019.6U CN216434211U (en) | 2021-09-15 | 2021-09-15 | Portable automobile test pencil convenient for outdoor environment operation for automobile maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226019.6U CN216434211U (en) | 2021-09-15 | 2021-09-15 | Portable automobile test pencil convenient for outdoor environment operation for automobile maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216434211U true CN216434211U (en) | 2022-05-03 |
Family
ID=81321395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122226019.6U Active CN216434211U (en) | 2021-09-15 | 2021-09-15 | Portable automobile test pencil convenient for outdoor environment operation for automobile maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216434211U (en) |
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2021
- 2021-09-15 CN CN202122226019.6U patent/CN216434211U/en active Active
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