CN-224231807-U - Power factor measuring device

CN224231807UCN 224231807 UCN224231807 UCN 224231807UCN-224231807-U

Abstract

The application provides a power factor measuring device, and relates to the technical field of measuring instruments. The power factor measuring device comprises a shell component, a measuring component and a display component which are matched. The housing assembly includes a first housing, a second housing, and a third housing. The first casing includes the installation department and the shielding portion of integrative setting, and the installation department includes a connection structure, and the shielding portion can shelter from partial display subassembly. The second shell comprises a second connecting structure and a third connecting structure which are arranged at intervals, and the second connecting structure is detachably connected with the first connecting structure. The third shell comprises a fourth connecting structure, and the fourth connecting structure is detachably connected with the third connecting structure. According to the power factor measuring device provided by the embodiment of the application, the assembly steps of the power factor measuring device can be simplified, and the assembly efficiency of the power factor measuring device can be improved.

Inventors

PU JIAXUAN
GAO LIANGLIANG
DING ZHENGGUANG
WANG PINJIE
Xue Keqian
Li Keduo

Assignees

德力西集团仪器仪表有限公司

Dates

Publication Date: 20260512
Application Date: 20250410

Claims (10)

1. A power factor measuring device, characterized by including matched housing assembly, measurement subassembly and display module, measurement subassembly is used for measuring the power factor of circuit under test, display module is used for showing measurement result of measurement subassembly, the housing assembly includes: The display device comprises a first shell, at least part of the display component is arranged in the first shell, the first shell comprises an installation part and a shielding part which are integrally arranged, the installation part comprises a first connecting structure, the shielding part is used for shielding part of the display component, the installation part is matched with the shielding part to form a display window, and the display window is used for observing the display component; The second shell comprises a second connecting structure and a third connecting structure which are arranged at intervals, the second connecting structure is arranged close to the first shell compared with the third connecting structure, and the second connecting structure is detachably connected with the first connecting structure; The third shell is arranged on one side, deviating from the first shell, of the second shell, the third shell comprises a fourth connecting structure, the fourth connecting structure is detachably connected with the third connecting structure, the third shell is matched with the second shell to form an installation cavity, and the measuring assembly is installed in the installation cavity.
2. The power factor measuring device of claim 1, wherein the first connection structure is a snap-in structure and the second connection structure is a snap-in structure, the snap-in structure being snapped into the snap-in structure, or The first connecting structure is a clamping groove structure, the second connecting structure is a clamping structure, and the clamping structure is clamped to the clamping groove structure.
3. The power factor measurement device according to claim 1 or 2, wherein the first connection structure is provided in plural at intervals, and the second connection structure corresponds to the first connection structure.
4. The power factor measurement device according to claim 1, wherein the display assembly includes a driving mechanism and a dial structure, the shielding portion shielding the driving mechanism in a direction from the first housing to the second housing; the third shell comprises an integrally formed base, a supporting piece and a containing cavity; The base is provided with the fourth connecting structure, is connected to one side, away from the first shell, of the second shell, and is fixedly connected with the measuring assembly; The support piece is arranged on one side of the base, facing the second shell, and extends into the second shell, and one end, deviating from the base, of the support piece is connected with the dial structure; The holding cavity is arranged on one side of the base, which faces the second shell, and the holding cavity is arranged at intervals with the supporting piece and is used for holding the driving mechanism.
5. The device of claim 4, wherein three of the support members are spaced apart, and wherein three of the support members are disposed adjacent different side walls of the base.
6. The device of claim 4, wherein the measuring assembly comprises an electrically connected circuit board and electronic components, the circuit board being spaced apart from the plurality of support members and the receiving cavity.
7. The power factor measurement device according to claim 6, wherein the electronic component comprises a potentiometer and an electrolytic capacitor electrically connected, and the resistance of the potentiometer ranges from 0kΩ to 200kΩ.
8. The power factor measurement device according to claim 7, wherein the potentiometer includes a first resistor and a second resistor connected in series.
9. A power factor measuring device according to any of the claims 4-6, characterized in that, The third connecting structure is a clamping structure, the fourth connecting structure is a clamping groove structure, and the clamping structure is clamped to the clamping groove structure, or The third connection structure is a clamping groove structure, the fourth connection structure is a clamping structure, and the clamping structure is clamped to the clamping groove structure.
10. The power factor measurement device according to claim 1, further comprising a guard detachably mounted to the mounting portion.

Description

Power factor measuring device Technical Field The application relates to the technical field of measuring instruments, in particular to a power factor measuring device. Background The power factor measuring device is an instrument for measuring the power factor of a circuit. The power factor measuring device comprises a shell component, a measuring component and a display component which are matched, wherein the measuring component and the display component are arranged in the shell component. The power factor measuring device can convert alternating current in the circuit to be measured into direct current through the measuring component, and then indicates the power factor of the circuit to be measured through the display component according to the converted direct current. Based on the structure of the existing shell assembly, the structural members are more, so that the assembly process of the shell assembly is more complicated. Disclosure of utility model The application provides a power factor measuring device, which is used for simplifying the structure of the power factor measuring device, simplifying the assembly steps of the power factor measuring device and improving the assembly efficiency of the power factor measuring device. In a first aspect, the present application provides a power factor measurement device, where the power factor measurement device includes a housing assembly, a measurement assembly and a display assembly, the measurement assembly is used for measuring a power factor of a circuit to be measured, the display assembly is used for displaying a measurement result of the measurement assembly, and the housing assembly includes a first housing, a second housing and a third housing. The display module is installed to in the first casing, and the first casing includes the installation department and the shielding portion of an organic whole setting, and the installation department includes a connection structure, and shielding portion is used for shielding partial display module, and installation department and shielding portion cooperation form display window, and display window is used for observing display module. The second shell comprises a second connecting structure and a third connecting structure which are arranged at intervals, and compared with the third connecting structure, the second connecting structure is close to the first shell and is detachably connected with the first connecting structure. The third casing is located one side that the second casing deviates from first casing, and the third casing includes fourth connection structure, and fourth connection structure can dismantle with third connection structure and be connected, and the third casing cooperates with the second casing and forms the installation cavity, and measuring assembly installs to the installation intracavity. Compared with the prior art, the installation part and the shielding part are integrally arranged, and in the embodiment of the application, the installation part and the shielding part are integrally arranged, so that the structure of the shell assembly can be simplified, and the assembly efficiency of the shell assembly can be improved. In the embodiment of the application, the first shell comprises the installation part and the shielding part which are integrally arranged, the installation part comprises the first connecting structure, and the first connecting structure is matched with the second connecting structure arranged on the second shell, so that the connection between the first shell and the second shell can be realized. The shielding part can shield part of the display assembly to improve the attractive performance of the power factor measuring device. The first shell, the second shell and the third shell are matched to provide installation space for the measuring assembly and the display assembly. The first connecting structure is arranged on the first shell, the second connecting structure is arranged on the second shell, and the first shell and the second shell can be connected through the cooperation of the first connecting structure and the second connecting structure. The second shell is further provided with a third connecting structure, the third shell is provided with a fourth connecting structure, and the second shell and the third shell can be connected through the cooperation of the third connecting structure and the fourth connecting structure. In some possible implementations, the first connection structure is a snap structure, and the second connection structure is a snap structure, and the snap structure is snapped to the snap structure. Or the first connecting structure is a clamping groove structure, the second connecting structure is a clamping structure, and the clamping structure is clamped to the clamping groove structure. In the example of the application, no matter the first connecting structure is a clamping structure, the second connecting structure